73 Amateur Radio Today – October 1978
Issue Contents:
DXpeditioning
– a “how to” guide …… WA2VMS 26
VHF On Your Frequency Counter
– an easy-to-build prescaler …… WB0KLH 34
The KM1CC Story
– hams celebrate Marconi’s miracle …… WA1JWD 38
Good News!
– easy autoranging for your counter …… Lassagne 44
Mighty Mods for the 820S
– more power and convenience …… K4FK WA4KIL 48
Improving Heath’s HT
– a hall-dozen swell mods …… WA6TLK 54
Total Control
– a versatile TT system …… WB2MPZ 60
Oddball Splits and the IC-22S
– work any repeater …… W6YUY 64
The History of Ham Radio
– part VI …… W9CI 68
Reusing Coax Connectors
– worthwhile salvage job …… W0FEV 72
Building From Magazine Articles
– the breadboard/wire-wrap way …… WA7NEV 74
Super Simple TT Generator
– uses almost no components …… WA6AFX 78
Microstrip
– magical PC technique explained …… N6TX 80
Low-pass Filler Primer
– tells all …… K2OAW 98
Hello Hamdom!
– a Cber makes the switch …… WN3NNY 102
More “Coming Of Age”
…… VE3FLE 103
Rejuvenate A Pawnee!
– put it on 2 …… K4GRT W4IEV 104
High Seas Adventure -ham Style
– part I …… WA6FEI 112
Build A Better Beeper
– variable time-interval generator …… W3QVZ 122
DMM Buyer’s Guide
– expert tells all …… McClellan 126
Triple Threat
– Microlog’s RTTY Morse and ASCII system …… K3CMY 130
The Ultimate T-hunt
– repeater jammer foiled again …… WB6JPI 136
Two Meter HT Survey
– data on 21 rigs …… K5XY 142
Interrupts Made Easy
– for 8080/s-100 users …… WB6LOA 146
Use A Computer? Who Me?
– yes you! …… WB2HJD 154
Bird Watching in BASIC Land
– another use for your micro …… K6EW 156
Computers and the Real World
– practical D/a and A/d conversion …… WlFZA 161
World’s Cheapest QSLs
– BASIC program keeps your log too …… WA7VZR 166
The Long-term Effects of Working with ICs
– learn the five warning signs …… WA2SUT/nNN0ZVB 182
The Lady Saw Red
– if the shoe fits …… WB4ZVZ 184
The Frugal Alternative
– home-brew an HT charger …… W8FX/4 186
PLL Techniques
– a practical guide …… Earnshaw 188
Build A TTY Tester
– works for TTL-compatible printers too …… K7YZZ 198
It’s A Ham’s World
– show this one to a non-amateur …… K2HTO 210
Attention. Weather Watchers!
– advanced circuitry for WEFAX processing …… Cawthon 218
Interchangeable Test Leads
– individuality has limits …… K2MPJ 249
Happiness Is A Smart Scanner
– mods for the PBM/aWE FMSC-l …… K8JS 250
Tweaking Your Linear
– the right way to tune it …… W5VSR 252
CB to 10
– part XII convert a Kraco PLL rig …… W1PI 254
Tuned Circuits In Your Junk Box
– making do with what’s on hand …… W3KBM 256
Support Your Local Fire Chief
– hams and the safety services …… W1FYR 258
Improved Scanner for the VHF/one plus
– a $4.00 mod does it …… W7AAY 262
A Perfect Power Supply?
– well …almost …… WB3BUU/8/k8UR 268
Mobile Security Blanket
– remote control for older rigs …… WA1RTD 270
Further Adventures of the IC-22S
– our hero gets offset flexibility …… W6WUT 274
Antenna Design: Something New!
– controlled-current distribution …… W4FD W4ATE 282
Build An Audible Transistor Tester
– it’s a CPO too …… WB7NZG/dA1DB 291
73 Amateur Radio Today – October 1978
