73 Amateur Radio Today – August 1973

73 Amateur Radio Today – August 1973

Issue Contents:

Single Band Log-periodic Antennas Part I

– Easier than falling off a tower …… W4AEO 21

Squeaker for Tone Burst Entry

– Any tone any time …one tiny chip …… K9KIC 27

VHF Power Amplifier Design

– If you remain unconvinced about building that amplifier maybe you ‘re holding the magazine upside-down …… K6RAD 31

220 Goes CB

– A new game plan: Upgrade the Mississippi Blacksnake to Class E …… FCC 37

The Amateur’s Intercom

– For duplex QSOs with the kitchen …… K1CLL 39

Novel 160 Meter Antenna

– A wraparound antenna remember the hula hoop? …… W2JKI K2EE 43

Solid State SSTV Monitor

– Features magnetic deflection noise immunity tuning indicator-here is the monitor you’ve been waiting for …… WB8DQT 45

Low Cost Frequency Counter

– A counter like any other …but this one is cheap…… Harper 57

VOM Design

– A simple VOM with cheap available parts …… WA3JBN 63

QRP Transmitter

– Get that 1609.344 kM per Watt award with this simple two transistor rig …… WB6BIH 65

The Numbers Game: DXCC

– Where do you fit in the charts? …… WA9VGS 69

Solid State Exciter for 450 MHz

– K1CLL rides again …… K1CLL 71

Talk Power and FM

– Don’t forget to give a ten count while you read this article …… W2EUP 79

Amateur Rules and Regulations Part III

– This month the Ancient Mariner fearfully eyes the 220 Albatross on page 37 …… FCC 87

73 Amateur Radio Today – August 1973

Return to 73 Amateur Radio Today Index


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