73 Amateur Radio Today – October 1972
Issue Contents:
Frequency Synthesizer for 2 Meter FM Part II
– For any 2m rig …… K2OAW 15
A Big New Voice in Chicago
– September cover feature at last …… W9NLT 25
Solid State 6 Meter Crystal – HET – VFO
– Solid State – the Works …… K1CLL 29
The FET Voltmeter As A Nano-amperemeter
– For checking FET’s …… ZL2AMJ 37
Time/frequency Measuring System Part I
– Station clock and frequency counter …… K5OUS 39
Active Filter Design and Use : Part IV
– Movie rights for this thriller available …… K3PUR 43
Transmission-limit Timer for Repeaters
– For shortwinded FMers …… K6MVH 49
Extra Class License Study Guide
– Questions & Answers Part III …… Staff 53
A Simple and Inexpensive Auto ID
– Just what you need for the mobile rig …… WB6BIH 64
Adjustable Time Delay Relay Circuit
– For power supplies and such …… W0MQB 71
Petition to the FCC
– Some interesting ideas and comments …… W9JT 79
Power Lead Filters for 432
– Makes things work alot better …… KlCLL 83
Portable 110
– 90 and 200 watt supplies …… K3QKO 89
Hot Carrier Diode Converter
– For 15m …… W5LET 96
RTL – Decade and Driver
– With numeric readout even …… W9SEK 99
A Power Supply
– For linear ICs …… W6GXN 103
73 Amateur Radio Today – October 1972