{"id":2421,"date":"2020-07-03T21:32:50","date_gmt":"2020-07-03T21:32:50","guid":{"rendered":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-august-1972\/"},"modified":"2023-01-17T01:05:10","modified_gmt":"2023-01-17T01:05:10","slug":"73-amateur-radio-today-august-1972","status":"publish","type":"page","link":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-august-1972\/","title":{"rendered":"73 Amateur Radio Today – August 1972"},"content":{"rendered":"\n

73 Amateur Radio Today – August 1972<\/span><\/p>\n\n\n\n

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

Navassa<\/h3>\n\n\n\n

– The intimate inside story of KC4DX! …… W2NSD\/l 4<\/p>\n\n\n\n

Slow Scan Television<\/h3>\n\n\n\n

– Introduction and general principles …… W9NTP 16<\/p>\n\n\n\n

Premodulation Speech Processor<\/h3>\n\n\n\n

– Get a 1 to 2 S-unit increase in signal …… W6AJZ 28<\/p>\n\n\n\n

Two Buck Signal Generator<\/h3>\n\n\n\n

– For 2m FM and stuff like that …… WB4MYL 33<\/p>\n\n\n\n

Transmitters Then and Now<\/h3>\n\n\n\n

– History …… W2FEZ 35<\/p>\n\n\n\n

Practical Amateur FM Repeaters<\/h3>\n\n\n\n

– Next month impractical FM repeaters maybe? …… K9STH 41<\/p>\n\n\n\n

El Cheapo Test Probes<\/h3>\n\n\n\n

– Cheapskate use for old marking pens …… WB4MYL 58<\/p>\n\n\n\n

Prog Line Power Supply<\/h3>\n\n\n\n

– Actually this will power any surplus FM rig getting you on FM for beans …… K6VBT 60<\/p>\n\n\n\n

Random Access Switching<\/h3>\n\n\n\n

– Some push-button control circuit ideas …… W9SEK 62<\/p>\n\n\n\n

Diode Receiver for 432 MHz<\/h3>\n\n\n\n

– Also receives radio signals – like FM …… K1CLL 65<\/p>\n\n\n\n

The Taming of the HHRW<\/h3>\n\n\n\n

– Why have the wife hate amateur radio when she can be induced to grudgingly coexist with it? …… K7TCU 73<\/p>\n\n\n\n

$5 Preamp Compressor<\/h3>\n\n\n\n

– It really does make a difference …… VE3GSP 15<\/p>\n\n\n\n

Push-to Talk For The Sixer<\/h3>\n\n\n\n

– Plus other modifications for this and the Two’er …… WB2YWO 77<\/p>\n\n\n\n

Audio Distribution Panel<\/h3>\n\n\n\n

– And phone patch plus other goodies …… K3PUR 81<\/p>\n\n\n\n

Voltage Multipler Supply for Scopes<\/h3>\n\n\n\n

– A 300 volt transformer can generate 1500 volts thisaway …… K2BEH 87<\/p>\n\n\n\n

VFO Operation for the Two’er<\/h3>\n\n\n\n

– Using the Heath HG-l0 Should work with the Sixer too …… WB6FVW 89<\/p>\n\n\n\n

\/mM Maneuvers<\/h3>\n\n\n\n

– Wherein our hero fixes a marine rig answers a QRR and gets into deep trouble …… VK4SS 91<\/p>\n\n\n\n

The Sun and Radio<\/h3>\n\n\n\n

– Science feature! …… W4ZBE 91<\/p>\n\n\n\n

Poor Man’s Transcanner<\/h3>\n\n\n\n

– Mating a scanning receiver to an FM transceiver the Regency HR2 and TMR-8 in this case. Result : aninexpensive transcanner …… WB9FOP 105<\/p>\n\n\n\n

SCR Regulator for KW Power Supplies<\/h3>\n\n\n\n

– More flexible than one of those old great big expensive Variacs and voltage regulators to boot! Your HV supply will be obsolete without this …… W3HXO 101<\/p>\n\n\n\n

The Ideal Crystal Oscillator<\/h3>\n\n\n\n

– For that 1296 MHz rig you are going to build …… K1CLL 115<\/p>\n\n\n\n

The HW-16 on Phone?<\/h3>\n\n\n\n

– Simple modification …… WN2REW 117<\/p>\n\n\n\n

FM Adapter<\/h3>\n\n\n\n

– FM gadget for low band receiver so it will work with those VHF converters and let you listen to all the repeaters …… W1LE 119<\/p>\n\n\n\n

Electric Timer<\/h3>\n\n\n\n

– Turns things (like rigs) on off or whatever you want…… W6LM 127<\/p>\n\n\n\n

Circuits-circuits-circuits<\/h3>\n\n\n\n

– Enough data for experienced builders to make do and references for beginners to get more info …… WA1KGO 129<\/p>\n\n\n\n

GDO Coil Extension<\/h3>\n\n\n\n

– For short GDO’s …… WA0ABI 139<\/p>\n\n\n\n

50 MHz DXing<\/h3>\n\n\n\n

– The band is open a lot more than you suspect. Here’s how to get more DX out of it …… WA6CPP 141<\/p>\n\n\n\n

Home and Auto Burglar Alarms<\/h3>\n\n\n\n

– Are you waiting to get ripped off before you put in an alarm? …… K6ZFV 158<\/p>\n\n\n