73 Amateur Radio Today – September 1989

73 Amateur Radio Today – September 1989

Issue Contents:

Vertical Antennas at HF: Part I

– The inside story on vertical antennas …… W1GV 38

Build a 30 Meter Trap

– Modify your Cushcraft AV-4 or AV-5 for this WARC band …… KE0UV 11

Unique 12 and 17 Meter Dual-band Beam

– Build this for an 8 dBd signal! …… W6YUY 20

Kaboom Micro Keyer

– For safe mobile CW operation …… KB1UM 28

3/4 Inverted “U” for 160m

– Big signal on the Top Band …… WA3EKL 32

The Hamfester

– “Crowdbuster” for your HT …… NM9P 34

Safari Special

– Cheap ‘n’ easy set-up-anywhere vertical dipole …… N4UQT 44

Beefing Up the Uniden and the HTX-100

– More than double your Uniden’s output power …… KC4HGH 48

AEA AT-300

– Top-notch T-network HF antenna tuner …… KA1LR 18

Kenwood TS-680S HF Transceiver

– Improvements on the trusty TS-140s …… N1BLH 30

Uniden Bearcat BC100XLT Hand-held Scanner

– The first HT scanner? …… KA1MDA 52

Two Must-adds for Your Library

– Power supplies and microprocessors …… WB9RRT 50

73 Amateur Radio Today – September 1989

Return to 73 Amateur Radio Today Index


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