73 Amateur Radio Today – January 1966
Issue Contents:
The Space Monitor
– Now here’s a real construction project …… W9DUT W9JFW 6
A Unijunction Keyer
– Build a modern keyer for less than $20 …… WA6TSA 12
Two-element 20m Vertical Array
– Get 3 dB gain and 15 dB front-to-back ratio …… W6TKA 16
They Said It Couldn’t Be Done
– What? A female build a rig? …… WA2YTK 18
Simplified RF Measurements
– Measure impedance and power easily …… WA6BSO 20
A Six Meter Peanut Whistle
– Every ham wants a walkie-talkie; here’s Larry’s …… WA2INM 24
A Visit to the CN8s
– Edgar tells a little about his trip …… G3BID 28
The Pot Box
– Any experimenter needs one …… K6UGT 32
A RTTY Signal Generator
– Good for SSB and AM too …… W8GXU 34
This is Fine Day
– The first intercontinental ham QSO …… W2AAA 38
Transistor Meter Amplifiers
– Need a 10 microammeter? …… WA6BSO 44
The Twixer
– Add six meters to your Two’er …… W0HMG 46
A Line About Line Noise
– Maybe that power blackout was caused by a mad ham …… W4NJF 50
Assembling the Sideband System
– The conclusion of our SSB series …… K5JKX 54
Gus: Part 9 – Agalega Here I Come!
…… W4BPD 6
Build the OTC
– A one transistor converter for VHF. Build one …… WA4SAM 74
The Eico 753K
– Eico’s really scooped with this one …… W3KET W3TND 76
The Drake R-4 Receiver
– A very versatile receiver for your money …… WA2TDR 78
73 Tests the Knight C-577
– Audio compression works …… WA1CCH 😯
VFO Stability Part 2
– Transistors are better than tubes …… W1KNI 82
73 Tests the Coveya 6
– Heh heh. The neighbors don’t know it’s for six …… WA1CCH 84
Twelve cm Heathscope
– It’s the Heath IO-12 …… W7IDF 86
The 1215 Transistor Superhet
– Part 2 the local and other oscillators …… K1CLL 90
Vibrator Checker
– It’s a stupid subject if I say so myself …… WA1CCH 95
Low-Noise UHF Transistors
– Don’t read this if you’re a tube man. It’ll make you cry …… W1OOP 96
IoAR News
– News from the new IoAR Secretary …… 98
What’s Your Mobile Strength?
– Simple FSM adapter for your car antenna …… W9NTP 102
Why Instruction Books?
– Why indeed? …… W70E 10
Improve the NF of Old Receivers
– Soup up the ol’ hearin’ aid …… WA4EPY 108
73 Amateur Radio Today – January 1966
