73 Amateur Radio Today – June 1967
Issue Contents:
The Whole of the Doughnut
– Toroidal coils for kilowatt amplifiers …… W4BRS 6
A 1296 Grid Dipper
– 1050 to 1320 MHz with a converted APX-6 …… W1DTY 16
Using FETs in the Command Set Transmitter
– Results in a very stable VFO …… K3LCU 23
The Dichotomy of a Tube Man
– Putting on FET in the BC-906 frequency meter …… W5SOT 26
Converting the Swan 120 to 6 Meters
– Be prepared far the six meter openings this fall …… K6RIL 28
Military Quartz Crystals for the Radio Amateur
– A survey of surplus crystals …… W0HYB 36
Converting the BC-728
– A fine superhet for 160 80 and 40 meters …… 38
Photographing Your Electronic Gadget
– Must reading for authors …… VE3DAN 42
Panoramic Display from the AN/aPA-38 Indicator
– Low-cost panoramic reception …… W6JTT 46
RDR Receiver Conversion
– Crystal controlled channels on 220 MHz …… K3HIL 48
Build a 40 Meter Rotable Dipol
– Maximum effectiveness on 40 meters with a shortened dipole …… WB2GZL 50
Operating the BC-611 Walkie-talkie
– Great for short distances over flat terrain …… W1MEG 55
A Poor Man’s Transmitter Cabinet
– Using old TV cabinets …… WA4RHT 56
Micro-logic for Non-logical Users
– How to use digital integrated circuits in ham projects …… W6GXN 58
Proportional Transistor Control of AC Circuits
– Solid-state replacement for a variable transformer …… Ives 66
Phone Patching – More Light in a Gray Area
– From the legal point of view …… K8BLL 69
The Heathkit SB301 Receiver
– One of Benton Harbor’s newest releases …… W2JDL 76
Face-lifting the TS34/aP Oscilloscope
– A great scope for less then twenty dollars …… K6GKX 110
Climbing the Novice Ladder: Part 7
– Judy and Joe take the written test …… W7OE 111
Ham Public Service and Broadcast Stations
– Another approach to better public relations …… K4HKD 117
Gus: Part 24
– Sir Gus tours ZS-land …… W4BPD 119
73 Amateur Radio Today – June 1967
