73 Amateur Radio Today – October 1962
Issue Contents:
VHF’ing with the Standard Coil Tuner
– The cheapest really hot VHF converter yet published …… W4WKM 6
50 Watts on 50 MHz in 50 Seconds
– Starting with the Heath DX-20 …… K9STH 10
20 Meter SSB Exciter
– Completely transistorized to boot …… W5FRC 12
Four Layer Semi-conductors
– Self completing automatic bug and other adventures of these new gadgets …… K8AOE 16
Improved Base Clipper
– Eliminates all signals below a given adjustable amplitude …… Ives 20
This May be the Cause of Your Chirp
– If you’ve been chirpy lately …… K7MSL 22
73 Tries the Irving Preverter
– Two and six meter pre-amplifier. Boyoboyoboy! …… Staff 24
Tone Modulated Crystal Standard
– Standardizes you up to 225 MHz and you don’t need a BFO either …… W9DUT 26
Transmitter Design
– Big technical article for the month. Passably interesting or better …… K5JKX 30
Are You Being Lied To OM?
– SWR bridges can be big liars …… KZ5SW 42
How to Scrounge a Deluxe Junkbox
– Without having to work for a parts distributor …… K9AAI 44
The Local Net
– 29 560 kHz. Many other groups are using 52.525 MHz FM etc …… W4MLE 50
Modernizing the VF-1
– Stabilizing this fleet-footed sprinter …… W2RHD 54
Mobile Whip
– Har! …… Rodgers 60
Control Circuit for RTTY
– Why use ten switches when one will do? Laziness that’s why …… W0PHY 62
Sirnplescope Part 2
– Part 1 was back in September 1961. Great gadget …… K8AOE 63
V-beam
– They stand up to the gales remarkably well …… G3BID 64
Metailic Rectifier Circuitry
– Sort of a supplement to our article on power supplies in July ’61 …… K9MYZ 66
Imagination
– A call for the trial of new ideas …… W4API 70
On the Use of the Amateur Bands
– Someone is always proposing a new division of the bands …… KZ5SW 72
The AN/aRC-2
– Stop writing in for this conversion here it is …… W4WKM 82
FM Rejecting Stub
– In case you don’t like FM birdies in your receiver …… W8HOA 90
Converting the BC-652
– Inexpensive 2-6 MHz surplus receiver …… W1MEG 92
73 Amateur Radio Today – October 1962