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| FEBRUARY 1984 VOL. 60 NO. 2 ISSUE 923 20 Fuses-Selection and Use-1 E. A. Rule 25 External BFO for 7MHz E. Vaughan 26 Practical Yagi Design Dave Powis G4HUP 32 PW Review Spectrum RC6-2 50MHz Converter 34 The Origin of Radar F. C. Judd 37 Spare a Thought for your Rectifier R. T. Irish 38 Going Circular David J. Silvester G4TJG 46 PW "Bridport" Lab. Supply-1 E.A.Rule 49 Maths for the RAE-3 Roger Lancaster 54 Parchments for Metre-wave People Jack Hum G5UM 60 Microwave Dish Construction John Tye G4BYV Regulars 87 Advert index 43 Next Month 17 Services 59 Benny 63 On the Air 31 Space-walk 17 Comment 62 Passport 58. 78 Swap Spot 18 News 52 Products 42 Uncle Ed
APRIL 1984 VOL.60 NO.4 ISSUE 925 Contents 20 A GaAs-f.e.t. Pre-amplifier for 430MHz Sam Jewell G4DDK 28 Midlands VHF Convention Report 29 Kindly Note PW 'Dart'-November 1983 30 Upgrading the Realistic DX-160 Charles Molloy 34 Top Band Direction Finding-2 Chris Plummer GSAPB 39 PW Radio Data-2 "Valve and Semiconductor Codes + Trademarks" Special Pull-out Feature 51 PW Review ICOM IC-R70 Communications Receiver 54 Building an H F Linear Amplifier and ATU-1 I. Buffham G3TMA 60 Value for Money? G8YD K Regulars 87 Advert index 61 Next Month 17 Services 38 Benny 64 On the Air 27 Swap Spot 17 Comment 38,59 Products 62 Uncle Ed 18 News
MAY 1984 VOL. 60 NO. 5 ISSUE 926 Contents 23 Let's Build a Crystal Set Old Timer 28 PW Review AOR AR-2001 Communications Receiver 30 Building an H F Linear Amplifier and ATU-2 l. Buffham G3TMA 35 The Early Work of Guglielmo Marconi-1 F. C. Judd G2BCX 39 PW Radio Data-3 "More Trademarks, Lamp Bases, etc." Special Pull-out Feature 52 Follow-up to "RTTY with the ZX81" 55 PW Review Yaesu FT-980 HF Transceiver 61 An HF Tune-up Aid L. G. Parkin G3UVY FREE WITH THIS ISSUE PW DATACARD "70cm Repeaters". Regulars 87 Advert index 19 Mods 60 PW Publications 78 Benny 20,63 News 18 PWRUIS 38 Books 59 Next Month 52 QRP Contest 17 Comment 64 On the Air 17 Services 27. 63 Letters 22. 32 Products 51 Swap Spot
JUNE 1984 VOL.60 NO.6 ISSUE 927 Contents 22 PW Review Uniden CR-202 1 Communications Receiver 24 Automatic Repeater Access Tone Nick Foot G4 WHO 27 The Early Work of Guglielmo Marconi-2 F. C.Judd G2BCX 30 PW QRP Contest 32 Is your FM Bandwidth Necessary? N. D. N. Belham G2BKO 37 Kindly Note PW Datacard-7Ocm Repeaters, May 1984 40 PW Auto Notch R. A. Penfold 45 PW Review Ant Products Tiger LY10 Antenna 46 WARC '84-Conference or Confrontation? Peter Laughton 50 Simple Top-Band Receiver Chris Plummer G8APB 53 Publicity - Getting the Message Across Dave Green G4OTV Regulars Regulars 79 Advert Index 31 Letters 69 PW Programs 44 Benny 18,70 News 38 PW Publications 69 Binders 37 Next Month 17 Services 37 Books 54 On the Air 39 Swap Spot 17 Comment 48 Products 21 Uncle Ed
JULY 1984 VOL.60 NO.7 ISSUE 928 Contents 22 Home-made Antenna Rotator C.A. Heaviside G4RWU 27 Basic O.SOs in Italian-1 G. W Roberts GW4JXN and Paolo Pellegrineschi ISIJP 30 More Holes Than a Gruyere Cheese? J. O. Brown G3DVV 22 Morse Sending Trainer Tony Smith G4FAI 36 Your Life in Your Hands E. A. Rule 40 Batteries Tony Smith G4FAI 47 Practical LC Filter Design-1 Edward Wetherhold W3NQN 52 PW Review MuTek TLNA432u and SBLA 144e Pre-amplifiers 56 Controlling Satellite Footprints Brian Dance Regulars 79 Advert index 21 Mods 50 Products 54 Benny 19.30 News 18 PWRUIS 17 Comment 39 Next Month 17 Services 44 Did You Know? 57 On the Air 24 Swap Spot 72 Letters
AUGUST 1984 VOL6O NO.8 ISSUE 929 Contents 20 Introduction to Antennas-1 Gordon J. King G4 VFV 27 An RF Power Meter James A. Brett G6EBR 30 1984 BATC Convention Report Colin Redwood G6MXL & Tony Marsden G6JAT 35 Noise in H F Receivers G. P. Stancey G3MCK 38 Modifying the FRG-7 Peter D. Rouse 42 Hints for the First CW QSO G. P. Stancey G3MCK 46 Practical LC Filter Design-2 Edward Wetherhold W3NQN 51 Microphone Pre-amplifier with AGC Jon Gudgeon G4MDU 52 Kindly Note PW Radio Programs-5 Cassette, March 1984 55 Basic QSOs in Italian-2 G. W. Roberts GW4JXN and Paolo Pellegrinesci 151JP 58 PW Review Yaesu FT-757GX h.f. Transceiver Regulars 87 Advert index 31 Next Month 32 PW Publications 17 Comment 66 On the Air 17 Services 48 Did You Know? 49 Products 65 Swap Spot 18 News 43 PW Programs
SEPTEMBER 1984 VOL.60 NO.9 ISSUE93O 21 Basic QSOs in ltalian-3 G. W. Roberts GW4JXN and Paolo Pellegrineschi 151JP 24 An RTTY Speed Changer Chris Plummer GSAPB 26 Introduction to Antennas-2 Gordon J. King G4VFV 21 Kindly Note Transceiver VOX Unit-March 1984 Simple Top-Band Receiver-June 1984 35 IC of the Month-LM 1035 Audio Control Brian Dance 40 Antennas and Planning Law-1 J. J. Fields 44 Practical LC Filter Design-3 Edward Wetherhold W3NQN 56 World-wide Satellite Communications-1 Brian Dance We are sorry that Part 2 of Peter Rouse's series on the FRG-7 has had to be held over this month. 79 Advert index 19 News 17 Services 74 Benny 39 Next Month 50,55.59 Swap Spot 17 Comment 60 On the Air 54 Mods 51 Products
OCTOBER 1984 VOL.60 NO.10 ISSUE931 Contents 13 Multiple Choice Practice questions for the RAE 24 Worldwide Satellite Communications-2 Brian Dance 28 Licensed to Spend Janet Dugmore 29 Modifying the FRG-7--2 Peter D. Rouse 33 A Remote-tuned MF Loop Antenna A. J. Cawthorne G3TDJ 40 Bug Key with 528-bit Memory Graham Moore G4DML 46 Antennas and Planning Law-2 J. J. Fields 51 Names from the Past-1 Sir Charles Wheatstone 52 Practical LC Filter Design-4 Edward Wetherhold W3NQN We are sorry that Part 3 of 'Introduction to Antennas' has had to be held over until next month Regulars 79 Advert index 35 Next Month 18 PW RUIS 70 Benny 54 On the Air 17 Services 17 Comment 38 Products 23,32.70 Swap Spot 37 Letters 27 PW Programs 19 News 36 PW Publications 22 Uncle Ed
DECEMBER 1984 VOL.60 NO.12 ISSUE933 19 Introduction to Antennas-4 Gordon J King G4VFV 24 PW "Teme" Modular Transceiver -2 Rev. G. C Dobbs G3RJV 28 Multiple Choice Practice Questions for the RAE 30 Follow-up to the PW "Dart" Ken Buck 32 FM Demodulators for Low Deviation Signals N. D. N. Belham G2BKO 37 Simple DC Transistor Tester Basil Spencer G4YNM 38 Simple RF Transistor Tester Basil Spencer G4YNM 40 Cellular Radio - The Vodafone System Chas. E. Miller 44 Practical LC Filter Design-5 Edward Wetherhold W3NQN 53 Component Ratings for Beginners-1 Roger Lancaster 58 Communications '84 Report 59 Kindly Note Multiple Choice--October 1984 Remote-tuned MF Loop Antenna-October 1984 77 Index for 1984 87 Advert index 50,76 News 18 Products 37 Benny 42 Next Month 17 Services 17 Comment 61 On theAir 39 Swap Spot | ||
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