73 Amateur Radio Today – September 1974
Issue Contents:
MOSKEY -part 1
– Win contests with this programable keyer …… W3HPX 19
A Severe Weather Warning Net?
– Why not with this monitor? …… W9DTW 27
A Agitable
– Make better p.c. boards …… WA0ABI 41
LXpedition
– Peripatetic Edgar Bently’s to Luxembourg …… G3BID 43
Six Meter DXing
– You can make WAS on 50 MHz …… WA6CPP 49
Questions
– 2m quad feed -sX101 -gS680 …… W9EGQ 51
Heath 10-103 Mods
– Ten more calibrated sweep speeds …… McCarthy 55
Mono Reproducer
– Absolutely foolproof circuit …… K9VXL 57
6m QRP Transmitter
– Using an OSC module …… WA8DEB 59
RF Speech Clipper
– Inexpensive yet effective …… W2EEY 61
Lecture Beamed to Class
– Another use for amateur radio …… Lemert67
My Favorite Band
– 80m- What’s yours? …… W0SII
The Audio Bishop
– Bishop noise limiter circuit …… W6AJZ 71
A Visit to 4U1ITU Geneva
– You too can be rare DX – just bring your ticket …… WA3KEY 73
Measure Your Voltage Rating
– Set arc gaps and stuff …… W9SIA 76
120V Variac on 220V
– Simple when you see how …… W4GD 78
Weather Satellite on Your SSTV
– With a converter …… WA8DQT 79
Do Something About
– Now you can read it again …… K3BNS 85
Nostalgia
– 40 and 50 years ago! …… WB6JNI 93
A Universal IC Tester
– Almost …… WB4MYL 95
Making It Small
– Emphasis 2m …… K1CLL 98
An Easy Tower
– Build it Yourself …… W4VUO 103
Infinite Attenuator
– Low-cost VHF test unit …… K1CLL 107
Lightning in a Bottle
– Electronic flash tubes …… W2FEZ 109
Modernizing The Select-o-ject
– Still one of the best cw filters …… WA6KPG 114
Profile -w5RU
– A very famous DXer …… K6GKX 121
It Happened in Mexico
– And it was worse than Montezuma’s revenge …… W9CNW 127
73 Amateur Radio Today – September 1974
