73 Amateur Radio Today – October 1971
Issue Contents:
Wide-range RF Milliwattmeters Using HCD’s
– Using Hot Carrier Diodes! …… W6AJF 15
Signaling Through Space Without Wires
– How it all got started …… K1CLL 23
An Instant FM Repeater for Emergency Use
– Two FM rigs one repeater …… K2OAW 29
It’s the Real Thing
– Power supply not using transformers …… VE3GSP 31
Meteor Showers: On Prediction Accuracy
– WAS on two meters? Why not? …… W5KHT 37
Simple Digital Remote Control Circuits
– Doing lots with few wires …… W1EZT 41
How to Be An Amateur
– A good amateur is ignorant egocentric etc …… W2ZGU 49
A Simple Reverse Current Battery Charger
– For recharging flashlight batteries …… W6FPO 55
It’s In the Bag
– Almost …… WB6JLC 59
Passive Repeaters
– And you can rent out the front for a billboard …… W7EEX 61
Converting the AC/dC for WWV
– Keep WWV at hand to check your calibrator …… W3JJU 75
Fail Safe Switching
– Infallible sequential switching …… W7CJB 77
Back to Mother Earth the Easy Way
– Installing a 10′ ground pipe – easily! …… WA1FHB 79
3 dB for 3 Bucks
– Audio tailoring for SSB …… W2EEY 81
The Ham’s Publicity Primer
– Spreading the word …… WB2FBF 85
Some Notes on the Swan 350
– Six improvements for a great rig …… K1KXA 101
73 Amateur Radio Today – October 1971
