73 Amateur Radio Today – September 1973
Issue Contents:
73 Visits Jordan
– Wayne smuggles in the dynamite Mideast dope …… W2NSD/l 12
JY Amateur Listing
– A pre-callbook item …… JYl 26
Repeater Logic System
– Another Step toward the sentient repeater …… WA1OMS 27
Single Band Log Periodic Antennas Part II
– Assembly details installing trees etc …… W4AEO 37
2m Calibrator and Alignment Aid
– Handy if you’ve built a tune able adaptor for y our FM rig …… K1CLL 43
How to PLL
– Look where you’re going first …… W9KXJ 47
The Patch Pad
– Soften the job for a hard-working working repeater …… K4MOG 51
S-meter for the HW-7
– The HW-8 unveiled! …… WA6QYU 53
OSCAR 6 Inverted Doppler
– Possibly related to the inverted dupplet …… W0MJS & W0LER 57
L’eggs Injector Antenna
– An Easter egg hunt in September? …… W1SNN 61
2m Converter
– One more factor for your conversion table …… WB6BIH 65
An IC Keyer
– For the properly spaced-our CW freak …… VE3GSP 69
Measure Antenna Impedance
– With a modified SWR bridge …… W2AOO 73
Potentiometers
– How to vary a variable resistance …… Centore 77
Easy Antenna Pruning
– Ever break your leg falling off of a graph? …… W3GAT/2 79
73 Visits Sentry Crystals
– A visit to Fort Knox …… W2NSD/1 81
Amateur Rules and Regulations Part IV
– This month Ahab finds that he has wandered into a local bait shop …… FCC 85
The QSL Manager
– and how to handle him …… W4NJF 91
73 Amateur Radio Today – September 1973
