73 Amateur Radio Today – March 1966
Issue Contents:
Circular Polarization
– Use CP for moonbounce trop and OSCAR …… K6MIO 6
Solid-stale Sixty
– A 60 watt regulated power supply for and with semiconductors …… K3LCU 12
Crystal Oscillators
– Tube transistor and FET. his is a good one …… W6GXN 14
Slaying the Monster
– Or: Why fear TV? …… W0EDO 18
Diary of a DXpedition: VP2VD
– So you think it’s just a matter of sitting by the pool and operating? …… K4IIF 20
Unmodifying the S-38
– Have you ever met a ham who hasn’t had a S-38-once? …… WA5MCU 26
Vector Vector
– Vector boards are sure useful …… W2DXH 28
Cathkey
– Is this the simplest automatic keyer? …… K2UOC 32
All Solid-state
– Another interesting one from one of (y)our favorite authors …… W1OOP 34
QSL Here is Homebrew OM
– Homebrew QSLs? …… WA2ZKR 36
The 88 Cent Varactor
– Who says they’re all expensive? …… WA6BSO 38
12 Volt Beetle Juice
– Even the Fastbacks are 6 volts. Rah for VW …… DJ2UL 48
The HD-10
– Heath’s new electronic keyer …… W2JDL 50
Solder and Soldering
– Make your soldering stick …… K4CPR 52
The Rhombic Antenna
– A round-up of information on these almost-legendary antennas …… W0SII 54
The Vacap Tester
– Here’s a tester that sings at you …… W0BMW 60
The Feedline Argument
– A little more fuel for it …… W0OPA 66
Letter from Jail
– Stuffy readers: skip this …… W6GTC/jail 70
Improving the HX-20 HR-20 and HP-20
– Who could improve on this title? …… K0LFA 74
The Walky-Nosy
– A portable emergency communications receiver …… K6EDX 78
Our Friend the R.I.
– Maybe a little more appreciation of the FCC is called for …… W7IDF 82
Those Good Old Ham Bands
– They’re getting mighty thin …… W7ZC 88
Low-pass Audio Filters
– The full story he says …… K5JKX 90
Gus Part 10
– I think I’ll take a plane and leave the bus to Gus …… W4BPD 98
73 Amateur Radio Today – March 1966