73 Amateur Radio Today – February 1962
Issue Contents:
V-loop Beam
– Angie claims this thing works out. Looks easy to build give it a try …… W2NQS 8
Final Tanks
– It’s about time someone did a through job on this subject. Technical article …… W6JAT 12
Converting 6 Volt Radios to 12 Volts
– Basic conversion for car radios Motorola and link transceivers etc …… W4OHM 20
RX for the RTTY Bug
– Nice TT converter complete with scope …… W0RQF 26
A Page from a Designer’s Notebook
– Heising modulator design …… W5SUC 28
Sideband the Easy Way
– Using the Wes Schum 10A exciter to drive almost anything you have on hand …… W9EGQ 30
The BC221 as an Accurate Audio Generator
– How to generate precise audio frequencies with the 221 …… W0OKH 35
Which Way is Up?
– Proof positive: we’ll print anything …… K6EAW 36
Silicon Rectifiers Continued
– By the time we through you will be au expert on silicon diodes …… WA6QFD 38
73 Tests the LW-51
– And makes L-w Labs very very happy …… W3UZN 42
Surplus Frequency Synthesizer
– Incredible surplus buy for people who want to get their feet wet up to here in hamming …… W4WKM 44
Convert the URC-4
– Cute little surplus Handi-talkie which hits 2M and 220 MHz …… K7ILP 50
Continuity and Power Transformer Checker
– This little test set is really invaluable around the shack …… W5EHC 52
Modifications of the HE-35
– No matter how good a rig is there is always some joker who wants to change it …… WA2INM 54
Dress it Up
– It doesn’t take much extra effort to make it look nice. Here’s some ideas …… W4WKM 59
PNP-NPN CPO
– We have to print a code practice oscillator now and then don’t we? …… K6EAW 62
32 on 2
– Sneaky way to work two directions at once …… K8ERV 68
Propagation Charts
– When the bands will open to where probably …… K2IGY 72
Economical Antenna Tower
– 30 foot tilt-over which home-brews for about 0.012 kilobucks …… 74
73 Amateur Radio Today – February 1962
