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