73 Amateur Radio Today – February 1965

73 Amateur Radio Today – February 1965

Issue Contents:

The Ham and TVI

– With clever cartoons by K3SUK …… WA6OQP 6

Coffee Can VXO for Oscar III

– Be ready for QSO’s to Europe on two …… W7SMC6 W6HEK 10

Transistor Hi Hi

– A few interesting notes on Nipponese transistors …… K6QKL/ KH6 11

Multiband Vertical Antenna

– A simple high-frequency antenna for hams with space problems …… W3UWV 12

Let’s Go Ham TV

– The details of getting on the air …… K3DSM 18

Solid-state SSB Power Supply

– With same vital information as well as construction details …… W1VIV 24

Handy Dandy Zeners

– An interesting article in spite of the title …… W0GJB 28

Cooling Notes on the 4-1000A

– Keep it cool for long life …… W6VFR 30

120 Watts on Two: Part 2

– The first part of this fine mobile rig was in January …… K5JKX W5PPE 32

More on That Simple TR Switch

– Published in May 63 …… W4MLE 38

The Disguised Twist

– A V-h beam for 2 …… WA6LUM 40

The Backward-upside-down Halo

– Unconventional mounting for improved results …… WA41NJ 44

VHF-uHF Mixers

– Detectors and mixers using helices strips and semi-cavs…… K1CLL 46

UHF Signal Generator

– A generator for 432 and 1296 …… K6MIO 52

Just a Piece of Wire?

-for VHF constructors …… K5BLF 56

The Ham and CD Emergencies

– Are you doing your share of PS? …… W5CZ 58

Brussels International Mobile Rally

– See what fun reciprocal licensing can be? …… G3BID 62

The Callbook Game

– It doesn’t take much imagination to extend this one …… WA2TDH 66

Plate Modulation with Controlled Carrier

– Interesting idea from a great 73 booster …… W5EHC 68

Audio Bandpass Filter

– Something for the CW ham …… Hansen 70

Correcting Errors in the “Errorless RTTY Converter”

– Fine title that …… K5JKX 72

The Swan 350

– A fine new piece of gear …… WB6KEH 82

The Lafayette HE-45B

– For inexpensive 6 meter contacts …… K3VHK 8

The SB-33 on AM

– The title is self explanatory …… W7L1A 9

Caveat Emptor

– Have you sent in your ad this month? …… Staff 92

Propagation

– With some thing new …… Nelson 96

73 Amateur Radio Today – February 1965

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