73 Amateur Radio Today – March 1986
Issue Contents:
Japan’s Hush-hush Rushbox
– These units were ordered destroyed after WWll but a few fell into the hands of collectors. Now after 40 years PA0SE analyzes the Imperial Army’s secret radio …… PA0SE 9
Halt That Hum!
– That annoying ac hum is robbing you of pleasure. Fix it in an hour with WA4WDL’s seven-piece filter …… WA4WDL 17
Faster Than A Patch It’s Speed Dialer
– Dial home while driving by simply pushing a single button on the microphone …… K7UKW 20
Don’t Be A Kamikaze!
– The Hara- Kiri Box is an improvement on the suicide cord that’s still dangerous but it’s a lot safer than the cord …… KA4J 30
132 Extra Memories for Your FT-i07M
– At three cents a piece why not? …… LU2HP/oN6JC 32
Inside CoCo’s ROMpak
– Store your favorite Color Computer programs in ROM-and never type “Load” again …… WB8IKO 36
Build A Digital IC Trainer
– A great helper for testing components as well as experimentation and circuit development …… WB4YOD/pW8ZAF 40
Get Organized Today With Argo’s Helper
– If your present QRP station is comprised of a half-dozen black boxes interconnected with several cables then th is may be the construction project for you …… W3BYM 44
Instruction Instructions
– Discover hidden savings in the last place you’d ever look-the instruction manual …… N6HYK 50
73 Amateur Radio Today – March 1986
