73 Amateur Radio Today – December 1962
Issue Contents:
Two Meter VFO
– Very stable and uses one tube. Dandy bandspread …… W6TKA 6
Modifying the Sixer
– For a 50% power increase …… K4ZQQ 9
Modifying the HE-45
– Improving the modulation & power output meter for this nice rig …… WA2INM 10
The Irving Hiverter 50
– Six meter SSB converter tested at HQ by W1MEL. Works …… Staff 12
Alternators
– With mobile SSB coming at us in a rush we will be needing these …… K8ERV 16
432 MHz Antenna Tuner
– Pictorial article …… W1TQZ 18
Auto Analyzer
– Not very hammy. Tachometer dwell angle meter battery VM temp. indicator …… Henry 20
Coaxial Baluns
– Open wire is the lowest loss but how do we get from coax to open line? …… WA2INM 26
Selectivity Plus
– The CW man sometimes goes to great lengths for selectivity …… W6EUM 28
The Heath HR-20
– 73 tests the Heath mobile receiver …… W4WKM 36
AM Oscilloscope Patterns
– You’ve been wondering what your scope was trying to tell you? …… W0OPA 44
Briefcase Twins
– Complete portable CW station …… W2TBZ 50
The Heath Warrior
– Full kilowatt linear amplifier by Heath …… W6EUM 60
Joe’s Other World
– Fiction …… Margolis 66
Transistorized Squelch
– Squelch is very handy and this circuit is so simple you have no excuse …… W1TUW 74
The Waters Q-Notch Filter
– For the KWM and 758 Collins owners that want something better …… K2CM 74
The R-45/aRR-7
– This is practically a SX-28. Surplus conversion …… W5UOZ 86
Constant Voltage Power Supply
– A real gem is available in some of those old TV sets …… W4WKM 92
73 Amateur Radio Today – December 1962
