73 Amateur Radio Today – March 1963 with Index
Issue Contents:
Two Meter Pre-amp
– Two nuvistors built by a perfectionist …… W9DUT 8
Portable Ragchewer
– Low-power rig and small receiver. Eminently portable …… K6LJY 14
Infinite Impedance Match
– New type of matching system for beams. Looks good …… W6NAT 20
QRP Transmitter
– 1S4 peanut whistle …… W1MEL 22
Let’s Regulate
– Voltage regulated power supplies for transistor circuits and filaments …… W2RWJ 24
Amateur TV Transmitter
– 432 MHz rig with 832A in final …… W0RQF 28
A Six and Two Portable
– Complete bandswitching transceiver …… K8KDX/6 32
Mode Switch for the Eico 720 and 730
– Phone-cW switching system for this popular combination …… W0DSU 38
Nuvistor RF Pre-amp
– Brings up signals on all of the less expensive receivers …… W6SFM 40
Receiver Buying Guide
– Pictures prices and basic data on all postwar receivers …… W4WKM 44
Measure L & C
– Using an audio signal generator …… K6AI 60
Surplus Crystal Calibrator
– Real good deal. 500 kHz …… W4WKM 66
Plug-in Cans in Amateur Construction
– Those surplus cans can he used for a lot of handy building …… W4WKM 68
CW Sidetone Oscillator for SSB Rigs
– Most of ’em have no provision for this important function …… K6CYG 82
The Eico 723
– $49.95 60 watt rig. Does a fine job …… W3UZN 84
The New Look in Surplus
– A lot of new stuff is hitting the surplus market …… W4WKM 90
73 Amateur Radio Today – March 1963
