73 Amateur Radio Today – October 1972

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

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