73 Amateur Radio Today – December 1964
Issue Contents:
SSB Mobile Receiver
– Lots of nice ideas in this one …… W3ZFJ 6
Cheap Pair of Socks
– Simple linear using inexpensive new tube …… W6NKZ 10
28 Volt Supply
– 10 amps at 28 volts for $10 …… K6VNT 12
Weather Detector
– Don’t let a tornado suck you up …… K5JKX 14
14 Elements on 432
– Simple yagi for 70 cm …… K1CLL 16
Miniature Multiband Tuner
– Very clever and useful …… W6SFM 18
Bamboo Birdcage
– Thanks to G4ZU and the boomless Quad ……W6WAW 22
Going RTTY – Part 2
– Part 1 was in January …… W4RWM 24
Sixer to the N’th
– Some small changes for operating convenience …… K1GHO 26
Two’er Talk
– These simple changes improve performance significantly …… W8HHS 28
High-level Modulation for Ham TV
– Series modulator for improved results ……W7CSD 30
That Elusive SWR
– Why throw away those watts? By our Paramp author…… WA6BSO 32
Short Folded Dipoles
– How about a 33 foot antenna for 80 meters? …… W6WAW 34
VFO Construction Techniques
– Solid for stability. Like the U.S.S. Missouri …… W4WKM 36
Two Meter Double Sideband
– The Phantom rises again …… W6TKA 40
When Good Losers Get Together
– Non-technical. In fact funny …… WA5EFL 46
Evaluating Receivers
– Just in case you’re in the market for a fancy Christmas present …… K5JKX 52
RK 715B on 6 Meters
– Old 5D21’s never die; they just turn into quarts of RF …… K2ZEL 58
Testing the Clegg Venus
– In case you wondered: it’s tremendous …… 64
SSB With the 6N2
– Curious huh? …… K5SGP 68
Unit Power Oscillators
– More useful UHF test gear in Bill’s inimitable style …… KlCLL 78
Repair That Mike
– Fix up that old mike with an inexpensive new cartridge …… W4WKM 82
Heath Tunnel Dipper
– A very useful piece of gear …… W3UZN 84
The Autotransformer
– For maximum power supply versatility ……W1ISI 96
Bandpass Coupler Design
– Or maybe you like to twiddle knobs …… K5JKX 102
73 Amateur Radio Today – December 1964