{"id":2392,"date":"2020-07-03T21:32:49","date_gmt":"2020-07-03T21:32:49","guid":{"rendered":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-march-1970\/"},"modified":"2023-01-17T01:05:10","modified_gmt":"2023-01-17T01:05:10","slug":"73-amateur-radio-today-march-1970","status":"publish","type":"page","link":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-march-1970\/","title":{"rendered":"73 Amateur Radio Today – March 1970"},"content":{"rendered":"\n

73 Amateur Radio Today – March 1970<\/span><\/p>\n\n\n\n

Issue Contents:<\/span><\/h3>\n\n\n\n

Extra Services From Your Grid Dip Oscillator<\/h3>\n\n\n\n

– Like checking crystals tuning FM receivers and such …… WA4UZM 18<\/p>\n\n\n\n

Reverse-current Charging<\/h3>\n\n\n\n

– Turns out you really can recharge flashlight batteries! …… K8YUC 20<\/p>\n\n\n\n

A Poor Man’s Frequency Meter<\/h3>\n\n\n\n

– Combines surplus from two services …… W6YAN 24<\/p>\n\n\n\n

Professional PCs From Roll-Your-own Negs<\/h3>\n\n\n\n

– Eliminates drafting camera work and darkroom entirely …… K6MVH 29<\/p>\n\n\n\n

How I Read The R.O.’s Handbook & Found Happiness<\/h3>\n\n\n\n

– Instant profundity …… Johnson 36<\/p>\n\n\n\n

A Look At Amateur FM Standards<\/h3>\n\n\n\n

– Or how do we get out of this mess? …… WB6DJT 38<\/p>\n\n\n\n

An Inexpensive RF Wattmeter<\/h3>\n\n\n\n

– Surplus meter for those too cheap to buy a regular wattmeter …… WB4MYL 43<\/p>\n\n\n\n

A Remote Multifrequency Oscillator For Surplus FM Units<\/h3>\n\n\n\n

– Drive people crazy on lots more FM channels with this …… W2ACM 44<\/p>\n\n\n\n

Add Spotting to Your VFO<\/h3>\n\n\n\n

– If your VFO is unspotted …… K8BYO 49<\/p>\n\n\n\n

Towards an Ideal Solid-state I-f For Amateurs<\/h3>\n\n\n\n

– Closing in on the state of the art with Bill Hoisington …… K1CLL 50<\/p>\n\n\n\n

Ham Exchange<\/h3>\n\n\n\n

– Visiting foreign amateurs makes trips more enjoyable …… WA2ELA 58<\/p>\n\n\n\n

Super Sixer<\/h3>\n\n\n\n

– Heath wouldn’t recognize it …… WA3AQS 60<\/p>\n\n\n\n

Bob Bob Bobbin’ Along<\/h3>\n\n\n\n

– Special April feature article. Well it’s almost April …… K1YSD 62<\/p>\n\n\n\n

The Dip Light<\/h3>\n\n\n\n

– A grid-dip meter with no grid and no meter …… VE3ECU 68<\/p>\n\n\n\n

73 Checks Out The Kris Scanning Receiver<\/h3>\n\n\n\n

– Snazzy …… Staff 70<\/p>\n\n\n\n

Two Conversions For The Motorola 41 V – Part 1:<\/h3>\n\n\n\n

AC Power Supply …… K9PKQ 72<\/p>\n\n\n\n

Two Conversions For The Motorola 41 V – Part 2:<\/h3>\n\n\n\n

6 to 12V Filament Conversion – Here’s the surplus if you want to make an issue out of it …… W6YAN 74<\/p>\n\n\n\n

A CW Monitor<\/h3>\n\n\n\n

– Using a 98 cent audio module you cheapskates …… WB2GQV 76<\/p>\n\n\n\n

The Logical Approach To Surplus Buying<\/h3>\n\n\n\n

– Here’s your key to fun with those surplus logic circuits …… Kyle 80<\/p>\n\n\n\n

Converting The Sonobuoy to a 2W FM Rig<\/h3>\n\n\n\n

– Two meters. Why not have some fun with this one? …… W1BYX 96<\/p>\n\n\n\n

Easy Diode Testing<\/h3>\n\n\n\n

– Checking out those bargain diodes …… K4JK 97<\/p>\n\n\n\n

Turning The AN\/gRC-9 Into a Novice Rig<\/h3>\n\n\n\n

– 2-12 MHz transmitter-receiver …… W6JTT 98<\/p>\n\n\n\n

Extra Class Study Course Part XIV<\/h3>\n\n\n\n

– Measurements …… Staff 104<\/p>\n\n\n\n

VHF-fM And You<\/h3>\n\n\n\n

– Part of our Encyclopedia of FM; a good part …… K9STH 118<\/p>\n\n\n