{"id":2478,"date":"2020-07-03T21:32:52","date_gmt":"2020-07-03T21:32:52","guid":{"rendered":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-may-1977\/"},"modified":"2023-01-17T01:05:10","modified_gmt":"2023-01-17T01:05:10","slug":"73-amateur-radio-today-may-1977","status":"publish","type":"page","link":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-may-1977\/","title":{"rendered":"73 Amateur Radio Today – May 1977"},"content":{"rendered":"\n

73 Amateur Radio Today – May 1977<\/span><\/p>\n\n\n\n

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

Build the World’s Simplest Keyer<\/h3>\n\n\n\n

– uses 555 timers …… Ring 46<\/p>\n\n\n\n

Stop That Autostart<\/h3>\n\n\n\n

– mods for the ST-6 circuit …… WA5EVH 47<\/p>\n\n\n\n

Predict the Weather!<\/h3>\n\n\n\n

– a complete satellite receiver …… WB8DQT 48<\/p>\n\n\n\n

Learn A New Language<\/h3>\n\n\n\n

– try CW …… WB0KTH 52<\/p>\n\n\n\n

The History of Ham Radio<\/h3>\n\n\n\n

– part III …… W9CI 54<\/p>\n\n\n\n

The Oily Resistor Watteter<\/h3>\n\n\n\n

– how to put 20 W into a 1 W resistor …… WA1PDY 57<\/p>\n\n\n\n

SSTV Slalom Game<\/h3>\n\n\n\n

– you don’t need a sports car …… K4TWJ 58<\/p>\n\n\n\n

Computer-controlled Thermometer<\/h3>\n\n\n\n

– take OSCAR’s temp with a micro …… WB9LSS 66<\/p>\n\n\n\n

Computerized RTTY Takeover!<\/h3>\n\n\n\n

– Digital Group cassette to TU conversion …… K7YZZ 70<\/p>\n\n\n\n

Let BASIC Control Your Next Contest!<\/h3>\n\n\n\n

– with Extended Tiny BASIC language …… Whipple 76<\/p>\n\n\n\n

Satellite Zapper<\/h3>\n\n\n\n

– effective antenna for weather birds …… WB8DQT 82<\/p>\n\n\n\n

VHF Noise Snooper<\/h3>\n\n\n\n

– track down annoying pulses …… WA6CLZ 84<\/p>\n\n\n\n

Understand Your Pet Rock<\/h3>\n\n\n\n

– tips on crystal oscillators …… K1CLL 86<\/p>\n\n\n\n

TTL Techniques<\/h3>\n\n\n\n

– bypass those glitches …… WB5IRY 89<\/p>\n\n\n\n

Sending HI<\/h3>\n\n\n\n

– on the hooter …… W8LWS 90<\/p>\n\n\n\n

Build a DDRR for Your Mobile<\/h3>\n\n\n\n

– this one won’t blow off …… W5UKL\/0 92<\/p>\n\n\n\n

Headphone Jack Adapter<\/h3>\n\n\n\n

…… WA0VHX 94<\/p>\n\n\n\n

Automatic Taping Unit<\/h3>\n\n\n\n

– for repeaters logging etc …… ZL2AMJ 98<\/p>\n\n\n\n

Let’s Use English<\/h3>\n\n\n\n

– for a change …… WA1GFJ 99<\/p>\n\n\n\n

The Ham Radio Classroom<\/h3>\n\n\n\n

– sure beats study hall …… W4LLR 100<\/p>\n\n\n\n

CB to 10 -a Legal Alternative<\/h3>\n\n\n\n

– part I: bandplan and crystal info …… W4NVH 106<\/p>\n\n\n\n

Save Your Old Speakers<\/h3>\n\n\n\n

– how to remove the beehive …… Miller 109<\/p>\n\n\n\n

Beware the Compressor!<\/h3>\n\n\n\n

– some pitfalls to avoid …… WB5QGI 110<\/p>\n\n\n\n

Matching Output Transformers<\/h3>\n\n\n\n

– sort out unknown impedance taps. …… Miller 111<\/p>\n\n\n\n

Stop Timeout!<\/h3>\n\n\n\n

– build this 10 minute ID timer …… K3VTQ 112<\/p>\n\n\n\n

Have You Tried Television?<\/h3>\n\n\n\n

– it’s easier than you think …… WB4KTY 116<\/p>\n\n\n\n

Quick Vertical<\/h3>\n\n\n\n

– for 20 and 40 …… WB0KTH 117<\/p>\n\n\n\n

Try Power Saver Logic<\/h3>\n\n\n\n

– a guide to CMOS applications …… WB5DEP 118<\/p>\n\n\n\n

HF Bands Expander!<\/h3>\n\n\n\n

– eliminate splatter to gain operating room …… Staff 126<\/p>\n\n\n\n

Fight Inflation! Build It Yourself!<\/h3>\n\n\n\n

– tips on planning construction projects …… W3KBM 144<\/p>\n\n\n\n

Wilson HT Mods<\/h3>\n\n\n\n

– heavy duty p.s. required …… K4MKX 148<\/p>\n\n\n\n

Try These IC-230 Mods<\/h3>\n\n\n\n

– improving a popular transceiver …… WB6GTM 152<\/p>\n\n\n\n

CB to 10 -a Legal Alternative<\/h3>\n\n\n\n

– part II: conversion data …… W6RCL 162<\/p>\n\n\n\n

All-electronic SELCAL<\/h3>\n\n\n\n

– uses a UART for versatility …… WB2MPZ 166<\/p>\n\n\n