73 Amateur Radio Today – April 1968 Issue With Index
Issue Contents:
The Vidicon Minicamera
– Using low-cost high-quality semiconductors …… W8TYY 6
The Little Gem Fuse Tester
– There’s still time to use this one April 1st …… W7CSD 15
Methods of Transceiver CW Switching
– Six circuits to achieve easy CW operation …… W1DCG 16
The Polar Key
– Homebrew keyer using inexpensive polar relay …… K4YWS 20
Checking Your VSWR Indicator
– Are you sure your SWR bridge is trustworthy? …… W5EHC 22
Video Mixing Amplifiers
– Producing a good composite video signal …… W8VCO 24
A Solid Dead Man
– Don’t let the wind get your tower down …… WA1ABP 30
VHF Operation by Remote Control
– Q5 S9 from any location …… W6MVH 32
An Invisible Antenna
– A new antenna theory …… W1EMV 42
Using Your Electromagnetic Wave
– Communication as it should be …… WA5HPV 44
ITV Got You Down?
– Getting rid of the buzz-saw …… WA7CSK 46
The YF Fights Back
– If you can’t lick’em join’em …… WA6SPT 48
A Career in Electronic Engineering
– Areas where engineers are needed …… W6JTT 50
What is YOUR “Amateur Q?”
– How well do you know the FCC regulations? …… K3STU 52
And They Called “Mother Shipton” Crazy
– Remarkably prophesy from 500 years ago …… K4FQU 56
Recovering “Lost” QSLs
– Helping the post office help you …… K6UMV 58
Project MOONRAY
– Amateur radio on the Moon in 1970 …… 60
Audio SSB
– A new use for an AFSK oscillator …… K6ICU 64
Installing a Transceiver in a Rented Car
– Wonder if Hertz would approve? …… G3BID 66
Preventive Maintenance
– Curing problems before they start …… K3KMO 70
You Can Pass The Extra
– Or so the man says …… K6YA 73
Use of Q-multiplier to Increase Intelligibility of Received Voice Signals
…… Ives 74
Crystal Etching Tips
…… W4AYV 76
Take Uncle Alf’s Advice
– Uncle Alf talks about coax baluns …… W6NIF 86
73 Amateur Radio Today – April 1968 Issue With Index