73 Amateur Radio Today – June 1991
Issue Contents:
Three Bands With One Rock
– Versatile QRP transmitter for 80 40 and 20m …… WW9X 10
Tune in on Philately
– Immortalized in stamps …… Schuessler 14
A Pseudo CW Filter
– Be good to your ears …… WR5B 18
Build the Brass Pounder’s Keyer
– A memory keyer that reproduces your true CW “fist” …… AA6GG 22
SPSM Mobile Mount
– Build this reliable Hustler classic …… W6OAL 34
Parts Substitution
– A beginner’s guide …… KB1MW/7 40
Software for the Ham Shack Part II
– Useful ham calculations you can program yourself! …… WA4BLC 44
Get on the WARC Bandwagon
– You can still enjoy good DXing even as propagation conditions decline …… N4LBJ 50
The KE2AM Voice ID and Repeater Controller
– Control your repeater economically! …… WB8ELK 12
Tripp Lite PR-25A and Isobar 8 GS
– Power supply and surge suppressor …… N1GPH 38
SWISSLOG Version 3.66
– A complete QSO tracking system in one fast software program …… WA3USG 46
73 Amateur Radio Today – June 1991
