73 Amateur Radio Today – June 1981
Issue Contents:
Repeater at 102 000 Feet!
– Canadian hams go up up and away …… VE4FK 12
Digital Control for the Ham III Rotor
– good-bye manual switching!…… WA0PBQ 18
Review: The Doppler Systems DDF-3003
– a review of the latest in direction-finding equipment from Doppler Systems …… KA1LR 28
DF Breakthrough!
– the “turkey” tracker we’ve all been waiting for …… W7BEP 32
The History of Ham Radio
– part XV …… W9CI 48
Review: The VoCom Two-meter Monkey
– 30 Watts out from a mighty small package …… N1BEJ 52
The Solid-copy RTTY TTL
– state-of-the-art performance you can afford …… K1VIC/2 54
Review: The CES Simplex Autopatch
– some hot new hardware for two …… KA1LR 62
About the Beverage
– when you say longwire mean it. Use the remarkable beverage! …… W2XQ 68
Design-a-dish
– produce a proper home-brew parabola with this BASIC program …… W3KH 72
Mayday!
– help locate downed aircraft with your local repeater …… W2FJT K2lXU K2UZS 78
An 820s Remote Vfo
– using the rig’s counter and display …… VE5PZ 84
Maximize That Multimeter
– add a few features the manufacturer forgot …… Staff 88
Review: Amateur Radio Super Hobby!
– a breezy new intro to the world of hamming …… KA1D 96
Review: A Guide to Amateur Radio
– book review of an English import …… N1BEJ 97
Review: Get Your Shack Together
…… K4TWJ 98
Plain Talk on Plain Language Rules
…… N8RK 125
Review: A Timely New Product
– the MFJ-102 digital clock …… WA4PYQ 130
73 Amateur Radio Today – June 1981
