73 Amateur Radio Today – November 1969
Issue Contents:
An Approach to Six-meter SSB
– Using an NCX-3 or other SSB transceiver …… WA1FRJ 6
IF Notch Filter
– For the last word in selectivity for your transceiver …… W2EEY 14
Calibrate That Homebrew Dial
– Accurate calibrations on any band …… K9STH 18
Slow Scan Color Pictures
– Using additive synthesis …… WA2EMC 20
A Remote VFO for the HW32A
– Split frequency operation simplified …… AP2MR 22
Cheap and Simple for Six
– Three transistor PC board converter …… WB6BIH 25
The Mismatched rf Transmission line
– High SWR makes no difference at all hardly …… W5JJ 28
BKX Bridge
– RF bridge modelled after the General Radio bridge …… W8BKX 32
Religion Politics or Sex
– And other QST-approved QSO topics …… W1DIS 40
VHF-fM: Part II Mobile Installations
– Another chapter in our effort to get you on FM …… WB2AEB 44
The Umbrella Antenna
– Efficient antenna for 40-80-160M …… W2EEY 46
Solid State 432’er Transmitter
– Three transistor converter …… K1CLL 50
Fascinating Fundamentals I: Electrostatics
– Elektron is Greek for “amber.” …… W2FEZ 56
Apollo TV & Radio
– Details on the radio end of the moon trip …… WlFJE 58
The Receiver – The Overlooked Piece of Test Equipment
– Handy …… K1ZJH 60
A Voltage Sextupler Power Supply
– QST would never publish anything this Sexy …… W5NGX 62
The Unikey
– If you are a CW man this’ll get you …… K9MLD 66
Transistor Power Supplies
– Robbing power from the rig or receiver …… K6KA 72
Bias Design Without Curves
– Transistors just won’t make it without the right bias …… WB6BIH 74
FM Receiver Tweeker
– Alignment gadget for FM receivers …… K6UAW 80
A Mate for the Swan 350
– Adapting the Swan TCU unit to the 350 …… WB2MPZ 82
The Ball of Wax – A Calibrator
– 200- 100-50-25 khz calibrator on PC board …… W6GXN 84
Electronic Variac
– Using a Triac …… K9JSC 88
SB-33 Modification
– Adding a Calibrator CW coverage etc …… W4MNW 90
Call Lettering Lunacy
– Being about broadcast station call letters and such …… Moshcovitz 94
Extra Class License Course Part X
– You should be able to pass the exam by now …… Staff 98
SBE Improvements Made Easy
– Bunch of ideas for the SB-34 owner …… W6JDD 122
73 Amateur Radio Today – November 1969
