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