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ANTENNAS

Many articles formerly in this section are in the Loop and Beverage Manuals.
A ZERO SHARPENING DEVICE FOR A BCB LOOP
By T. Holmes. If you're having trouble obtaining sharp nulls with a standard loop, this simple device may help. (1) Reprint A2
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$0.20
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$0.25
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$0.40

A VERSATILE LONGWIRE ANTENNA COUPLER
By R. Foxworth. How to get the maximum mount of signal from your longwire. (3) Reprint A3
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$0.60
 Non-Member
$0.75
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$1.20
DOWN TO EARTH GROUNDS.
By G. P. Nelson. How to make low resistance ground connections for terminating a Beverage (2) Reprint A9
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$0.80
A CALIFORNIA BEVERAGE.
By Fr. Jack Pejza. Results obtained at this Beverage site. (2) Reprint A10
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$0.40
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$0.80
THE VERTICAL PICKUP PATTERN OF THE MW LOOP ANTENNA
By G. P. Nelson. Information for those doing horizon blockage experiments with a loop antenna. (4) Reprint A12
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USING TWO ANTENNAS TO GENERATE ASYMMETRICAL RECEIVING PATTERN
By M. Levintow. Shows a simple way to skew your loop's pattern to effect a null that will permit reception of a station impossible to receive on a figure-8 loop antenna by itself. Reprints A5 and A6 are a requirement for understanding this technique. (3) Reprint A13
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A NEW MEDICAL BREAKTHROUGH FOR LONGWAVE TA'S
By C. Clayton. Instructions on how to build an inexpensive loop antenna for LW. (1) Reprint A14
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REVIEW OF THE DYMEK DA-3 ANTENNA.
By Pete Taylor, with notes by R. J. Edmunds. Evaluation of this MW antenna. (4) Reprint A15
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$1.60
MORE ON BEVERAGE ANTENNAS.
By Wes Boyd. Beverage antenna theory and application. (2) Reprint A16
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MORE FERRITE LOOP ANTENNA INFO
By Dallas Lankford. Inconsistencies in ferrite-core loop antenna theory. (3) Reprint A17
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NEBE: THE NEBRASKA BEVERAGE.
By D. Fischer, C. Dabelstein, R. Mitchell. Results at the Nebraska Beverage site. (7) Reprint A19
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THE LSCA-1
By Ron Schatz. Construction plans for the Loop Sense Cardioid Array. Should yield a unidirectional receiving pattern when operated properly. (10) Reprint A20
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A Large Aperture Ferrite Core Loop Antenna for LW and MW Reception
By J. Hagan. Details and theory for the construction of this DX Antenna (14) Reprint A24
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A NOVEL APPROACH TO BUILDING YOUR OWN BCB LOOP
By M. Maloney. Ideas for improvements in operation and sturdiness of loop antennas. (4) Reprint A25
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SEVEN PASSIVE TUNERS.
By Mark Connelly. This article will introduce you to many different tuner designs and how they are used (10) Reprint A27
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REMOTELY- CONTROLLED ANTENNA TUNER RT-1.
By Mark Connelly. An introduction to the design of remote tuning for loop or wire antennas from distances of 50 feet or more. Use w/ A43 (7) Reprint A29
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REMOTELY TUNED DIRECTIONAL LOOP ANTENNA.
By E. L. Cummins. Loops ideas for building where interior mounted loops will not work. (11) Reprint A30
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SIMPLE CHEAP AND EFFECTIVE PRESELECTOR LONGWIRE TUNER-AMPLIFIER
By B. Sherwood. Schematic and brief instructions are given. (3) Reprint A31
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ANTENNAS FOR AM BROADCASTING
By Steve Kennedy. A brief history of early and current station antenna systems. (4) Reprint A33
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SOME ANTENNA EXPERIMENTS - PART 1
By W.R. McIntosh. Ever heard of a Helical longwire? This article deals with compact antennas for use where space is limited. (3) Reprint A34
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THE PHASE ONE - A Delay Line Phasing Unit
By Gerry Thomas Description of an improved phasing unit design that can be built or is available in kit form. (3) Reprint A35
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LOOP-LONGWIRE COMBINED ANTENNA
By P. Swain. "Sensing" antennas for DX'ing and direction finding. (3) Reprint A36
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EXTREMELY LINEAR ELECTRICALLY TUNABLE ACTIVE RECEIVING ANTENNA.
By Hopf and Lindenmeier. Technical discussion of an antenna system that is the optimum solution towards allowing undisturbed reception near transmitters. (5) Reprint A38
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$1.00
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SIMPLE PASSIVE LONGWIRE TUNER
By Mark Connelly. A basic tuner that can eliminate mixing spurs caused by strong locals. (2) Reprint A39
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AMPLIFIED PHASED SHORTWIRES.
By Mark Connelly. Construction article. Utilizing an SM-2, phasing unit and short wire antenna. (8) Reprint A40
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THE KOWALSKI LOOP.
By Neal Perdue with comments from Paul Kowalski. A first-hand account of this ferrite core loop antenna. A non- technical review, with comparisons to the SM-2. (2) Reprint A41
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THE MWT-1 FAMILY OF ANTENNA TUNERS
By Mark Connelly. Construction plans for the MWT-1, Mini MWT-1A, 1B and 1C antenna tuners (28) Reprint A42
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$5.60
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$7.00
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$11.20
RT-1 REMOTELY-TUNED ANTENNA TUNER
By Mark Connelly. Description and construction plans. (10) Reprint A43
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THE MINI MWDX-3 A simple, Effective Phasing Unit
By Mark Connelly. Construction plans for a one-box phasing unit. Order also A55. (21) Reprint A44
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$4.20
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$5.25
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$8.40
THE MWDX-4 FAMILY OF PHASING UNITS
By Mark Connelly. Construction and use of two similar series of phasing units. (25) Reprint A45
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$5.00
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$6.25
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$10.00
WIND A COMPLETE- COVERAGE COIL FOR THE RADIO WEST LOOP
By Fritz Mellberg. Eliminate the need to change coils during tuning of the entire MW band on this antenna. (1) Reprint A46
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TEST OF THE MITCHELL LEE LOOP AMPLIFIER.
By Mark Connelly. A new low impedance input, 3-transistor amplifier used with series tuned loops is detailed, along with improvement ideas. (6) Reprint A47
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YAD ANTENNA GIZMO
By Jerry Starr. A simple-to-build antenna switching device. Will ground the antenna not in use while using the other; designed for 2 antennas and 1 receiver. (1) Reprint A48
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$0.20
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$0.25
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COMPUTER-AIDED ANTENNA TUNER DESIGN
By Mark Connelly. This BASIC computer program determines which component values are used in your antenna tuner. Tuner schematics included. (7) Reprint A52
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$1.40
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$1.75
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$2.80
IMPORTANT LOOP TUNER AND PHASER DESIGN CONSIDERATIONS "Q" DEMYSTIFIED)
By Mark Connelly. Technical article. The importance of “Q” and a BASIC program to find antenna tuner component values in light of the "Q" (7) Reprint A53
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$1.40
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THE MITCHELL LEE AMPLIFIER: TWO TUNER IMPLEMENTATIONS.
By Mark Connelly. Technical article. Tuner circuits using this amplifier. Reference also A47. (5) Reprint A54
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$1.00
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$2.00
HOTRODDING THE MINI-MWDX-3 PHASING UNIT
By Mark Connelly. Technical article. More on the Mini-MWDX-3. Requires reprint A44. (3) Reprint A55
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MICRO-MWDX-4A LOOP VS WIRE PHASER
By Mark Connelly. Connelly. Technical Construction Article. (11) Reprint A57
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LIL-1
By Dallas Lankford. Construction plans for a new circuit for combining a loop and inverted L antenna to generate a cardioid pattern. (3) Reprint A59
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MEDIUM WAVE, A PRACTICAL APPROACH.
By Graham Maynard This is a consolidation of articles that were first published by the Medium Wave Circle of England. It outlines the authors construction of his MW DX receiving set-up. (12) Reprint A60
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MWDX-5 PHASING UNIT.
By Mark Connelly. Another in the series of Phasing Units. Construction article. (11) Reprint A61
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MINI-MWDX-5. A SIMPLE PHASING UNIT.
By Mark Connelly. Construction article. Similar to the MWDX-5 but simpler. A61 recommended (3) Reprint A62
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RIBBON CABLE LOOPS
By Mark Connelly. A new loop concept. (5) Reprint A63
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QUANTUM LOOP
By Gerry Thomas & Mark Connelly. A new ferrite core loop. Reviewed and modified. (9) Reprint A64
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$1.80
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SUPER BOOSTER BAR.
By Gerry Thomas. For portable receivers. (2) Reprint A66
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BUF-A AMPLIFIER.
By Mark Connelly. A building block for many Connelly construction projects. (9) Reprint A67
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$1.80
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$2.25
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$3.60
HIGH PERFORMANCE LOOP AMPLIFIER
By Dallas Lankford (6) Reprint A68
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$1.20
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$1.50
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$2.40
NOISE & INTERFERENCE REDUCING ANTENNAS.
By Wraight, Lankford & Connelly. (10) Reprint A69
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$4.00
REMOTELY TUNED LOOP RTL-1 & RTL-1A
By Mark Connelly. Also Contains the BBA-C1 Amplifier Card. (20) Reprint A70
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$4.00
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$5.00
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$8.00
THE MWT-2 REGENERATIVE TUNER
By Mark Connelly (21) Reprint A73
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$8.40
BEVMATCHER
By Mark Connelly A broadband Antenna Matching and combing Unit (8) Reprint A75
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The RTU-1
By Mark Connelly. A remote tuning unit for active antennas. (11) Reprint A77
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Coupler & Upgrades for the Quantum Loop
By Gerry Thomas (2) Reprint A78
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SUPER MWDX-5 PHASING UNIT
By Mark Connelly. Upgrade of Reprint A61 (16) Reprint A79
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ANOTHER LOOK AT NOISE REDUCING ANTENNAS
By Mark Connelly (3) Reprint A80
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ONE CHIP ACTIVE ANTENNAS
By Mark Connelly (3) Reprint A81
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THE RTL-2 REMOTELY TUNED LOOP
By Mark Connelly (24) Reprint A83
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THE DCP-1 DUAL CONTROLLED PHASER FOR REMOTELY TUNED ACTIVE ANTENNAS
By Mark Connelly (12) Reprint A84
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$2.40
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$3.00
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DL-1 DELAY-LINE PHASE UNIT
By Mark Connelly (9) Reprint A85
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THE MWT-3 REGENERATIVE TUNER CONTROLLER
By Mark Connelly A passive and Active broadband amplification control of remotely tuned loops and whips. (21) Reprint A86
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ULTRA LINEAR 2N5109 AND 2N3053 AMPLIFIERS
By Dallas Lankford. Technical article with instructions/schematics. (15) Reprint A87
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ULTRA LINEAR AMPLIFIED ONE METER WHIP ANTENNAS.
By Dallas Lankford. 1994 - complete instructions & diagrams for 2 one meter antennas. (19) Reprint A88
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THE FULL-SIZE, FULL- PERFORMANCE LOOP
By Ray Moore. A history & explanation of Loops & the author's current design. (10) Reprint A89
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ANTENNA EXPERIMENTS - SUMMER 1994
By Mark Connelly. Tests to help you choose for your needs. (5) Reprint A90
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KIWA/QUANTUM LOOP COMPARISON
By Elliot Straus. (1) Reprint A91
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PHASED NOISE REDUCING ANTENNAS
By Russell Scotka (7) Reprint A92
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THE QUANTUM OR Q- STICK . A PASSIVE ANTENNA BOOSTER PLUS ADVANCED Q-STICK DXING TECHNIQUES
By Jerry Thomas (8) Reprint A93
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THE MWDX-6 PHASING UNIT
By Mark Connelly (24) Reprint A94
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$9.60
DL-2 DELAY LINE PHASING UNIT
By Mark Connelly (10) Reprint A95
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TWO REMOTE ACTIVE ANTENNAS - RL-1 REMOTELY TUNED LOOP AND RW1 REMOTELY TUNED WHIP
By Mark Connelly (15) Reprint A96
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INVESTIGATION OF REGENERATIVE TUNER DESIGN THE MWT-3S
By Bruce Conti -edited by Mark Connelly (6) Reprint A97
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TEST REPORT - THE JPS ANC-4 ANTENNA NOISE CANCELLER
By Mark Connelly (3) Reprint A98
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LOOP SHOWDOWN KIWA VS RSM-105
By Mark Connelly (4) Reprint A99
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DXP-1 DXPEDITION PHASING UNIT
By Mark Connelly Construction Details and use. (9) Reprint A102
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EXPERIMENTS WITH REMOTE ANTENNA TERMINATION
By Mark Connelly Construction Details and use. (2) Reprint A103
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DCP-2 DUAL CONTROLLER PHASER
By Mark Connelly Construction Details and use. (11) Reprint A104
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THE KIWA POCKET LOOP ANTENNA
By Guy Adkins Review of this portable antenna (1) Reprint A105
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The Wellbrook K9AY Antenna: A User's Review
By John Bryant. A review of this general use antenna. (5) Reprint A106
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Coupling an external loop antenna to the DX-390 Receiver
By Hans K. Schellenberg (1) Reprint A108
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Is your coaxial lead-in actually an antenna?
By John H. Bryant with Bill Bowers. (5) Reprint A109
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A Beverage on the Beach
By Rick Cenneally (3) Reprint A110
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Testing Two KAZ Squashed Delta Antennas
By John Bryant A comparison of the KAZ, the Super KAZ, and the K9AY Antennas. (5) Reprint A111
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Pennant and KAZ Antennas Tests
By Mark Connelly More comparative testing. (4) Reprint A112
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Pennant Antenna Review and Impressions
By Ken Alexander An independent test from Ontario. (3) Reprint A113
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DXP-2 DXpedition Phasing Unit
By Mark Connelly (7) Reprint A115
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DX’ing over your shoulder
By John H. Bryant. Placement and use of Beverage Antennas as bi-directional Dx'ing aids (4) Reprint A116
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Pre-Amp Peregrinations
By John H. Bryant and Mark Connelly. Adventures with RF Pre-Amps by Advanced Receiver Research and DX Engineering. Review and modifications. (4) Reprint A117
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Rolling Your Own Antenna Splitters
By John H Bryant and Bill Bowers. Building antenna splitters that perform better than most commercial units. (7) Reprint A118
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$1.40
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$2.80
IT TAKES TWO TO VERIFY, PLUS HELPFUL HINTS
By J. Murley and R. Schiller respectively. Article on the station's attitude toward reception reports and veteran DX'er Schiller's tips on increasing your returns. (4) Reprint D2
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THE DX TEST FROM A STATION'S VIEWPOINT
By Bill Croghan. Hints from a broadcaster arranging DX tests and obtaining more verifications. (1) Reprint D3
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WHAT IS A PRE- SUNRISE AUTHORIZATION ?
By R. J. Edmunds. An Explanation of psra's. (3) Reprint D4
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LONG DISTANCE RECEPTION OF DX TESTS
By Frank Dailey. Proven techniques. (1) Reprint D5
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MAKING THE BEST OUT OF PREPARED-CARD VERIES
By Kelly Andrews. The verie collector's last resort, with numerous samples. (3) Reprint D6
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THE NSP SITUATION
By Jerry Starr. A look at this problem from the broadcaster's side of the fence. (2) Reprint D9
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DX FROM THE TWILIGHT ZONE
By P. Sullivan. Sunrise and Sunset Skip explained (4) Reprint D10
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$1.60
GRAVEYARD DX
By R. Foxworth, with additions by M. Levintow. DX'ing the local channels with results. (15) Reprint D11
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CANADIAN FAMILY LIFE...IT'S TWINS.
By J. Oldfield. Explains station "families" in Canada. List of Station groupings as of 1980 (3) Reprint D12
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THE POST-SUNSET AUTHORITY, A DAYTIMER'S DILEMMA
By Jerry Starr. A discussion on "PSSA's". (4) Reprint D13
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SUNRISE SKIP
By R. Kramer. Practical how to info. includes pre-sunrise authorities psra, station allocations on clear channels and auroral effects. (7) Reprint D16
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THE WORLDS HIGHEST- POWERED STATIONS
By Mike Burden. From Radio Luxembourg's 1933 150KW transmitter to the mega-watters of today, includes WLW, Doc Brinkley, and more. (3) Reprint D17
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QSL'ING THE LOCALS.
By Skip Arey. Extracting veries from your local stations. (1) Reprint D18
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HOW TO "UP" YOUR TOTALS!
By John J. Rieger. An antidote to "DX burnout" and proof that there is DX after the first 1000 catches! (3) Reprint D19
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WHO'S ON FIRST?
By Bruce Conti. Who was the first broadcasting station in history... ? (4) Reprint D20
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WHAT MAKES FOR A DX TEST?
By Wayne Heinen. A look at what happens at a radio station during a DX test (1) Reprint D21
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FORMAT FUTURES.
By Chris Cuomo. What radio formats may look like in the 1990s. (2) Reprint D22
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SATELLITE PROGRAMMING
By Ed Ryan. A look at how it works. (2) Reprint D23
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A SEVENTEEN-POINT PLAN FOR AN IMPROVEMENT.
By Doug Smith. A fix to the AM broadcasting service as we know it? (3) Reprint D25
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ONCE UPON A TIME.
By Ben Dangerfield. What happened years ago in DX, the NRC, and the world! 1963 was an amazing year. (3) Reprint D26
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THE STEVENSON LOG.
By Gene Martin. The Broadcast Band in February 1926. (1) Reprint D27
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SUNSET DX'ING FROM THE WEST COAST.
By Guy Kudlemyer. Becoming a pro at catching stations at sunset. (6) Reprint D28
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DX'ing Tips Using Satellite Services.
By Dave Schmidt (2) Reprint D29
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TRAVELERS INFORMATION STATIONS
By Rules and Regulations governing these numerous low-power broadcasters. (2) Reprint D30
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U. S. A. DIGITAL RADIO -IN-BAND, ON-CHANNEL
Official descriptions. (6) Reprint D32
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BAD WEATHER! USE IT TO YOUR ADVANTAGE.
By Dave Schmidt. (2) Reprint D33
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PIRACY ON THE MEDIUM OR HIGH FREQUEN-SEAS AND NOT WALK THE PLANK
By John D. Bowker. (5) Reprint D34
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DX'ING THE GRAVEYARD CHANNELS *
by Les Rayburn N1LF  This is an excellent article for both novices and experienced DX'ers for DX'ing the crowded Local Channels "Graveyard Channels" 1230, 1240, 1340, 1400, 1450 and 1490. Les delves into the many techniques that various DX'ers use in trying to improve their DX on these crowded channels in this day and age. This is downloadable in pdf format updated January 7, 2006 (13) Reprint D35
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QSL'ING FROM THE OTHER SIDE *
by Les Rayburn N1LF Les details the problems and pitfalls that are experienced by the personnel who answer the variety of reports submitted to stations. Written about the WDAB DX Test, the information is pertains to everyone who wished to collect radio station verifications. This is downloadable in pdf format (4) Reprint D36
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DX'ING CENTRAL, SOUTH AMERICA AND THE CARIBBEAN.
By Mark Connelly. Listings, by frequency, of the best bets from these areas, along with the original Connelly, DeLorenzo, Kazaross article DX'ing Latin America and the Caribbean. (9) Reprint F1
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TA TIPS FOR BEGINNER.
By Dave Yocis. Your first Trans-Atlantic receptions ! (2) Reprint F2
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PORTUGUESE FOR DX'ERS.
By R. Schatz. Describes the important features of this language. (2) Reprint F3
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TA DX'ERS GUIDE TO SUNRISE-SUNSET TIMES.
By Mark Connelly. Reference to SRS-SSS times with extensive tables for many locations. (4) Reprint F4
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HUNTING LATINS BY MUSIC.
By R. Schatz. Describes types of LA music from various countries and how to ID stations using this information. (5) Reprint F5
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ZONAL-ANALYSIS APPROACH TO TA DX.
By Mark Connelly. A systematic method of grouping TA countries to help the DX'er recognize different types of openings and improve TA reception. (4) Reprint F6
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ZONAL-ANALYSIS APPROACH TO PAN-AMERICAN DX.
By Mark Connelly. Similar to F6, with the emphasis on the Eastern U.S. loggings of LA and South American stations. (5) Reprint F7
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STATION IDENTIFICATION.
Tips on how to ID stations in nearly 50 languages! (2) Reprint F8
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SOME EASY TA'S.
By Dallas Lankford. (2) Reprint F9
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ID'ING JAPANESE BROADCAST STATIONS.
By Charles Taylor. Hints to help, without actually knowing the language! (2) Reprint F10
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COMMON SENSE TA DX STRATEGY.
By Mark Connelly. Practical hints are given for hearing Trans-Atlantic stations. (2) Reprint F12
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THE ODDS ON EVEN TA'S.
By Mark Connelly. The possibility of hearing TA's on channels shared with domestic stations. (10) Reprint F13
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YOUR FIRST 30 COUNTRIES IN ENGLISH.
By Mark Connelly. Listed by country. (3) Reprint F14
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CARIBBEAN MW DX GUIDE.
By Mark Connelly. Listed by country. (4) Reprint F15
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National Radio Club Common Abbreviations List
(6) Reprint HRL1
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Cuban Medium-Wave Broadcast Stations
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U.S. Postal Service 3 digit ZIP codes
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North American Time Zones to UTC Conversion Chart.
(1) Reprint HRL4
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Frequency and Power Relationship Chart.
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NRC Countries List
Edited by Al Merriman (2) Reprint HRL8
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LOCAL SIDEBAND SPLASH: HOW MUCH IS TOO MUCH?
By G. P. Nelson. This article describes FCC regulations on sideband radiation on the Medium Wave band and types of station-originated spurious radiation. (1) Reprint M1
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MODULATION ARCING
By Jerry Starr. Describes a frequent but rarely discussed cause of medium wave interference originating at the station. (1) Reprint M2
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SUNRISE-SUNSET TABLES.
By G. P. Nelson. These charts allow determination of accurate time of sunset and sunrise at any point in the world on any date. (9) Reprint M3
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RF INTERFERENCE AND THE HOME COMPUTER.
By Bill Krause, ANARC. Home computers will cause interference on your DX rig unless precaution are taken; solutions are discussed. (2) Reprint M4
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UNRESTRICTED RADIATION.
By G. P. Nelson. Discussion of carrier current stations and how to hear them. (3) Reprint M5
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RF POLLUTION.
By G. Hauser. General discussion of the radio interference problem and steps necessary to control it. (2) Reprint M6
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PATTERNS, PARTS I, IIA, IIB.
By P. Hart. These articles explain in detail what patterns mean and understanding their relationship to DX'ing! (34) Reprint M7
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MORE ON HOW DIRECTIONAL ANTENNA PATTERNS ARE PRODUCED
By Wes Boyd. Supplementary information to the articles contained in the 1980 edition of the NRC Night Pattern Book. (1) Reprint M9
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SUPERMODULATION AND EFFECTS ON DX'ING.
By Steve Kennedy. Discussion on the problem and its affect on DX'ing. (3) Reprint M10
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TERRAIN CHARTS FOR PROPAGATION PREDICATIONS
By Mark Connelly. This article details how to prepare a chart of a DX'ers surrounding terrain which can help enhance or diminish reception. (3) Reprint M11
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NOISE LEVELS AND USABLE RECEIVER SENSITIVITY
By Chuck Hutton. Technical Discussion of the effect of noise on receiver sensitivity. (5) Reprint M12
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GREAT CIRCLE CALCULATIONS REVISITED.
By Mike Tuggle, with an addendum by R.N. Allen. An explanation, how to figure distance and direction of stations mathematically, with a computer program to figure the Great Circle paths. (4) Reprint M13
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SOME THOUGHTS ON INTERFERENCE.
By Skip Arey. A simple modification to eliminate noise from light dimmers. (1) Reprint M17
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MANMADE INTERFERENCE ON THE BCB.
By Dallas Lankford. A systematic approach for evaluating a current or future DXing location in terms of man-made noise levels. (3) Reprint M18
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THE LOG BOOK.
By John J. Rieger. Organizing your log book . (3) Reprint M20
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WBBM RADIO: YESTERDAY AND TODAY.
By Chuck Schaden. A book review (1) Reprint M23
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MUSIC IN THE AIR,
By Philip K. Eberly. Reviewed by Armand DiFilippo. (1) Reprint M25
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THE GOLDEN AGE OF DX'ING.
By John Clements. Were the years 1969 thru 1975 the Golden Age of DX'ing? You decide. (4) Reprint M30
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ALL ABOUT WAVELENGTH.
By John D. Bowker. Wavelength versus frequency. An explanation. (2) Reprint M31
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STANDARDS TIME AND FREQUENCY
via Pete Kemp. Time and frequency stations located on longwave. List by frequency. (3) Reprint M32
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AM RADIO IN HIGH FIDELITY.
By John D. Bowker. Find out the reason why AM sounds so bad and what can be done to fix it. (1) Reprint M33
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MYSTIQUE OF THE THREE-LETTER CALL.
By Thomas White, via CompuServe, via Pete Kemp. The Historic Roll Call and Current Status. (12) Reprint M34
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NOISE Some Causes and Some Cures
By Wayne Heinen (4) Reprint M37
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FOUR SOFTWARE PIECES FOR MW DX'ers
By Guy Kudlemeyer. Review of programs for Macintosh Computer Owners. (6) Reprint M39
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PIONEER BROADCASTING STATIONS IN THE US.
By Thomas White A comprehensive history of U. S. Radio including the oldest 127 stations still in operation with starting dates. (12) Reprint M40
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RFI FROM HOUSEHOLD ELECTRONICS
By Perry Crabill, Jr (2) Reprint M41
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AN INTRODUCTION TO LONGWAVE DX'ING
By Shawn Axelrod (3) Reprint M42
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HOBBY AUDIO RECORDING IN THE 21ST CENTURY
By R. Charles Rippel Discussion of modern recording methods (3) Reprint M43
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A useful little timer for DX'ing
By Rick Kenneally (1) Reprint M44
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An Audio Switching network
By John Bryant (3) Reprint M45
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A Dummy’s Guide to Working with Wall Warts.
By John H. Bryant, with Bill Bowers Adapting wall wart AC to DX transformers to DX’ing accessory needs (8) Reprint M46
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Distance Bearing and Sunrise Sunset Calculations
By Dave Sundius All of the formula and sample calculations needed to perform these tasks. (6) Reprint M46
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MEDIUM WAVE SIGNAL PATHS, PARTS I,II, III, AND IV.
By G. P. Nelson. Discusses Great Circle paths, seasonal absorption patterns, auroral effects and the Mid-Winter Anomaly. (29) Reprint P1
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SOLAR CONTROL OF DAWN E-BLANKETING ON THE MW BCB.
By G. P. Nelson. Explains how the position of the sun controls the fadeout time of TA's and TP's. (3) Reprint P2
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EAST-WEST SYMMETRY AND THE FADE-IN PROBLEM.
By G. P. Nelson. Explains how the sun controls the fade-in times for MW stations. (2) Reprint P3
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SUMMER RECEPTION ON THE BROADCAST BAND.
By G. P. Nelson. First article describing the seasonal patterns in solar terminator location which makes summer MW reception from deep South America and Africa possible. (3) Reprint P4
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METEOROLOGICAL EFFECTS ON MW GROUNDWAVE RECEPTION.
By R. J. Edmunds. Short term variations in groundwave propagation at MW frequencies and their relationship to weather conditions. (7) Reprint P5
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AURORAL EFFECTS AND THE 1969 TRANS-ATLANTIC LISTENING TEST.
By G. P. Nelson. A description of how the geomagnetic and auroral phenomena control TA reception from various stations. An introduction to auroral effects. (5) Reprint P6
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THE AURORA OF NOVEMBER 6-9, 1970.
By G. P. Nelson. Traces a classic auroral attack from its origin on the sun to its effect on MW reception. (3) Reprint P7
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COMPARATIVE MEASUREMENTS OF GEOMAGNETIC INDICES.
By R. J. Edmunds. A three month comparison of A-index measurements as reported by several major observatories as they relate to each other. (3) Reprint P8
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SKYWAVE OR GROUNDWAVE RECEPTION?
By G. P. Nelson. How to tell whether the signal from a station is arriving via ground wave, skywave, or both. (3) Reprint P9
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A BEGINNER'S GUIDE TO THE IONOSPHERE.
By Fr. Jack Pejza. This article explains the processes which change the ionosphere and the effects of these changes on radio wave propagation. (10) Reprint P10
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THE LIMITS OF MIDDAY MW DX.
By G. P. Nelson. Comprehensive article describing the factors which influence radio wave propagation and reception during the late morning and early afternoon hours. (16) Reprint P11
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LIMITATION ON THE USE OF THE A-INDEX.
By G. P. Nelson. An explanation of the A-index as a DX'ers tool . (3) Reprint P12
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BCB RECEPTION DURING PERIODS OF HIGH AURORAL ACTIVITY
By G. P. Nelson. Describes research into the effects of the aurora on MW propagation. (8) Reprint P13
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SKYLINE BLOCKAGE
By Fr. Jack Pejza. Mathematical derivation of the formulas needed to calculate the effect which terrain has on signals. (10) Reprint P14
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SKYLINE BLOCKAGE, SOURCES OF UNCERTAINTY.
By G. P. Nelson. Takes into account the possibility of signal propagation by some lesscommon modes which are subject to blocking by the horizon. (9) Reprint P15
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HORIZON BLOCKAGE: CAN FRESNEL DIFFRACTION BE IGNORED?
By G. P. Nelson. This article shows how signals that should be blocked by the horizon can sometimes be heard. (10) Reprint P16
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TRANSPOLAR DX RECEPTION.
By R. J. Edmunds. This technical article relates to the trans-polar reception of central and eastern Asiatic stations at sunset in North America. (27) Reprint P17
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OBSERVATIONS OF TRANS-ATLANTIC MW RADIO SIGNALS.
By C. W. Bailey. The results of a lengthy survey of TA receptions made over a one-year period. (3) Reprint P18
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PROPAGATION AT MW FREQUENCIES
By P. Sullivan. Discusses some aspects of the factors which control signal reception on the BCB. (6) Reprint P19
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FACTORS OF MW PROPAGATION.
By F. Dinning. Discussion of the nature of MW propagation. (6) Reprint P20
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DOMESTIC PROPAGATION-ANSWERS TO FREQUENTLY ASKED QUESTIONS.
By R. J. Edmunds. A discussion on some of the propagational factors that affect domestic reception. (1) Reprint P21
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REVIEW OF SOLAR ACTIVITY FOR THE MW DX'ER.
By R. J. Edmunds. An explanation of the Fredericksburg A-index as well as its use in the hobby. (2) Reprint P22
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MEDIUM WAVE IONOSPHERIC PROPAGATION PLUS THE SEQUEL TO
By R.. Schatz. These articles take a different approach to propagation and presents new terms and theory. (11) Reprint P23
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TERMINATOR TRANSIT MECHANIX
By R. Schatz. Parts I, II, III, IV AND IV-A of a series which the author states features practical techniques to hear new stations; techniques never before available. (33) Reprint P24
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SUNSPOT CYCLE 21 - THE PEAK - HOW MUCH AND WHEN.
By O. Oklehen, H. R. REPORT. This article, through careful predictions, shows how the next peak in solar activity will be one of the most severe in recent history: Includes additional comments by R. J. Edmunds. (3) Reprint P25
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ATMOSPHERIC AND GALACTIC NOISE ON THE BCB
By Dallas Lankford. A discussion on the amounts of various types of noise, Compared to receiver sensitivity (3) Reprint P26
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ON THE NATURE OF SCIENCE AND THEORIES OF BCB PROPAGATION.
By Dallas Lankford. Discussion of several theories, concentrating on the controversy concerning the degree of the arrival angle of signals propagated over long distances. (3) Reprint P27
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DX'ING THE 1984 SOLAR ECLIPSE.
By Gerry Thomas. One DX'ers experiences during this rare DX'ing opportunity. (3) Reprint P28
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ON OBLIQUE PROPAGATION.
By Dallas Lankford. Very technical discussion on the theory of oblique incidence nighttime ionosphere at BCB frequencies. (12) Reprint P29
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MEDIUM-WAVE OBLIQUE PROPAGATION - ANOTHER VIEW.
By Randall J. Seaver. Some different interpretations are presented on this subject, as well as examples of MW propagation analysis using the Knight Wave-Hop method. (9) Reprint P30
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RELATIONSHIPS BETWEEN SOLAR ACTIVITY, THE EARTH'S MAGNETIC FIELD, AND MW DX'ING.
By Randy Seaver . General characteristics of geophysical phenomena are addressed, in order to understand relationships between the sun, the geomagnetic field, and high-latitude DX. (15) Reprint P32
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SEA GAIN.
By Randy Seaver A discussion of the propagation phenomena. (11) Reprint P33
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M.F. PROPAGATION: A WAVE-HOP METHOD FOR IONOSPHERIC FIELD STRENGTH PREDICTION.
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BEAMIAC-A -DELUXE+ GREAT CIRCLE BEARING DISTANCE COMPUTER PROGRAM.
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THE EFFECTS OF WEATHER ON THE IONOSPHERE.
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GROUND WAVE, SKY WAVE.
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TRACKING THE 1994 SOLAR ECLIPSE BY RADIO
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Web Site for U. S. Station Signal Strengths. A Valuable Resource By
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Sea Gain: The Numbers Don't Lie by Mark Connelly.  The amazing affect
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SPURIOUS SIGNALS & SPURIOUS SIGNALS REVISITED.
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SINGLE SIDEBAND RECEPTION ON THE BCB WITH MECHANICAL FILTERS.
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SUBAUDIBLE HETERODYNES ON THE MW BCB.
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THE TRACKING PROBLEM AND HOW TO CURE IT.
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ELECTRONIC VERNIER TUNING
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RECEIVER/ ACCESSORY INTERFACES MADE SIMPLE AND CHEAP
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UP THE CARRIER.
By W. Bailey. Dig the weak DX out of the mud with this form of exalted carrier reception. (1) Reprint R10
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PRECISION FREQUENCY MEASUREMENT.
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SINGLE SIDEBAND RECEIVING ADAPTERS.
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REVIEW OF THE AUTEK Q-BOX
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BUILD YOUR OWN AUDIO FILTERS
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A BRIEF REVIEW OF THE AUTEK QF-1 AUDIO FILTER
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A FREQUENCY COUNTER FOR RECEIVER TUNING
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THE LYNODYNE CRYSTAL WIRELESS RECEIVER
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DIVERSITY RECEPTION
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TIPS ON REMOTE TAPING.
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STRONG SIGNAL HANDLING.
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RECORDING JACKS FOR RECEIVERS.
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TAPE RECORDING HINTS
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CONVERTING THE R- 390A POWER SUPPLY TO SOLID STATE.
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R-390A ALIGNMENT CHART
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MCKAY-DYMEK DP-40 PRESELECTOR.
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THE SUPER HQ- 180.
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HQ-180A ALIGNMENT WITHOUT A 60 KHZ SOURCE.
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R-390A/URR PTO ALIGNMENT.
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INSIDE THE R390A PTO.
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THE BBA-1 BROADCAST AMPLIFIER.
By Mark Connelly. A simple and other antenna. Complete construction details. (11) Reprint R36
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THE GENERIC HQ-180 IF ALIGNMENT
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VARACTOR DIODE APPLICATIONS FOR DX'ERS.
By Mark Connelly. Discussion of the Advantages and disadvantages of substituting the varactor diode for the variable capacitor in various DX projects. (10) Reprint R38
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A "KNOCK-YOUR- SOCKS-OFF" REGENERATIVE PREAMP.
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NOISE AND SIGNAL LEVELS ON THE BCB.
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CERAMIC FILTERS.
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THE HQ-180 SERIES RECEIVERS SENSITIVITY TEST.
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SURPLUS MECHANICAL FILTERS.
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ADD A TUNING METER TO YOUR RECEIVER.
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R71A SPEAKER MODIFICATION.
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SELECTIVITY VS. FIDELITY FOR THE DOMESTIC BCB DX'ER.
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YET ANOTHER USE FOR THE AUTEK RESEARCH QF-1A ACTIVE AUDIO FILTER.
By Neal A. Perdue. Clean up your DX catch tapes, even old records with these techniques. (1) Reprint R52
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THE RBL AND THE R- 392/URR, A SYMBIOTIC RELATIONSHIP OR NEW USES FOR TEST POINT E203
By John H. Rose III. Technical article using these receivers in a series of experiments. (3) Reprint R53
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COLLINS 51J4 REVIEW
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COLLINS 51J4 TECHNICAL NOTES.
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MORE COLLINS 51J4 TECHNICAL NOTES.
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COLLINS R390A, THE WORLD'S BEST RECEIVER?
By Graham Maynard This review gets into the details of another fine DX receiver. Technical. (6) Reprint R57
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A SIMPLE HIGH-PASS AF FILTER
By Gerry Thomas. Hear those "in-the-mud" stations better on that speaker. (1) Reprint R58
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R-5000 MODIFICATIONS
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COMMENTS ON G. MAYNARD'S SYNCHRONOUS DETECT
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ADD A Q-MULTIPLIER & A SB-620 TO THE R390A
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PHASING UNIT DESIGNS: SIMPLE TO COMPLEX
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HQ-180 AGC MOD.
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51J/R-388 BAND 1 MOD AND AGC MOD
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R390A AGC/BFO MODS
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R390A KHZ FILTERS FOR THE HQ-180
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R-390A AUDIO OUTPUT IMPEDANCE MATCHING
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COLLINS R390A - THE ORIGINAL "WORLD'S BEST"
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NRD-525 AGC Mod. & AGC Mod 2
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DRAKE R-8 MW ATTENUATOR MOD
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MODIFICATIONS FOR THE NRD-525
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HOTRODDING THE RADIO SHACK 12-625
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COLLINS TORSION MECHANICAL FILTER FOR THE R-390A
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DRAKE R-8 TYPE B SPURS ELIMINATION.
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DRAKE R-8 INCREASED DYNAMIC RANGE
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MODIFICATIONS FOR THE SANGEAN ATS-803A
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IMPROVEMENTS TO REGENERATIVE RECEIVER DESIGN
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R-390A WON’T TURN OFF AGAIN
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NRD-525 FILTER MODS
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DRAKE R-8: ENCODER SHAFT STATIC ELIMINATION
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DRAKE R-8: LOW HEADPHONE VOLUME & BROKEN FEET
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RACAL RA6790GM NOISE BLANKER NOTES
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DRAKE R8 MORE ON IMPROVING IMAGE REJECTION
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R-390A FILTER MOD #3
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Drake R8: More on improving image rejection
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Adding an AM FET Front end to your low-priced portable
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RECEIVER COMPARISONS - WHAT DO THEY MEAN?
By R. J. Edmunds. Certain problems arise when comparing product summaries and receiver reviews. The author explores these comparisons with an emphasis on MW DX. (2) Reprint RR1
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QUALITATIVE REVIEW OF THE YAESU FRG-7 RECEIVER
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BARLOW-WADLEY XCR- 30.
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McKAY-DYMEK DR-22
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ICOM IC-R70 COMMUNICATIONS RECEIVER.
By Vincent Pinto. An in-depth, technical review. (9) Reprint RR9
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THE GE SUPERADIO- CASSETTE.
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THE SONY SRF- A100
By Greg Monti and Albert S. Lobel. Two looks at this AM-stereo portable receiver. (5) Reprint RR13
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THE ICOM IC-R71A RECEIVER
From the Australian DX CALLING Magazine. User review with commentary. (7) Reprint RR14
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UNIDEN CR-2021 VS. SONY ICF-6500W
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NRD515 Review
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SURVEY OF HAMMARLUND RECEIVERS
By Dallas Lankford. A summary of the full line of Hammarlund receivers suitable for BCB DX; with comparisons, modifications and hints when purchasing one. (7) Reprint RR18
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KENWOOD R- 5000
By Don Moman. Includes performance results against the ICOM R71 and SONY ICF-2010. (5) Reprint RR19
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THE GE SUPERADIO- PLUS
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THE COLLINS 51J-4 GENERAL COVERAGE RECEIVER
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DENON AM-FM TUNER, MODEL TU-800
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ICOM IC-R70, A QUICK REVIEW
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REALISTIC 12-625
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REALISTIC DX-440 VS SONY ICF-2010
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DRAKE R-8 Reviews
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GE SUPERADIO III
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The NRD 525 -A TECHNICAL REVIEW.
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NRD-525 FILTER LEAKAGE - Continuation of RR31
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RECEIVER SHOWDOWN
By Gerry Thomas Comparing ICOM R-9000, R-71A / JRC NRD-525D / Drake R-8 and Collins R-390A (6) Reprint RR33
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RA 6790/GM: A REVIEW
By Dallas Lankford - 1993 (8) Reprint RR35
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SONY SRF-42 AM STEREO WALKMAN REVIEW
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PANASONIC RQ-V60 REVIEW
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$0.40
RAMSEY AM-1 TRANSMITTER KIT - REVIEW
By Christopher Cuomo. (3) Reprint RR38
 Member
$0.60
Non-Member
$0.75
Outside U.S.A.
$1.20
REVIEW of the SANGEAN CC RADIO
By Paul Swearingen et al. (6) Reprint RR39
Member
$1.20
Non-Member
$1.50
Outside U.S.A.
$2.40
AOR - AR 7030 Receiver review
By Guy Atkins (13) Reprint RR40
Member
$2.60
Non-Member
$3.25
Outside U.S.A.
$5.20
THE HENRY KLOSS MODEL ONE RADIO - Receiver Review
By Philip Marinaccio (1) Reprint RR41
 Member
$0.20
Non-Member
$0.25
Outside U.S.A.
$0.40
A review of the Sangean ATS-505
By Russ Johnson (1) Reprint RR42
Member
$0.20
Non-Member
$0.25
Outside U.S.A.
$0.40
The Palstar R30 General Coverage Receiver
By Gerry Thomas. A review from a MW DXers viewpoint. (8) Reprint RR43
Member
$1.60
Non-Member
$2.00
Outside U.S.A.
$3.20

All prices in U.S. funds. Snail Mail orders by check or money order only.