73 Amateur Radio Today – October 1989

73 Amateur Radio Today – October 1989

Issue Contents:

Setting Up a Packet Radio Station

– Read this for the info the how-to books left out! …… WB6RQN 14

Digital Dreams

– The future of packet radio has arrived …… N3EUA 28

TNC PPM without the PC

– Give your older TNC personal mailbox capability with just a few keystrokes …… WB6WKB 30

Packet Radio in Japan

– Bits of info on packet in the land of the Rising Sun …… WA1LBP 38

Packet Radio and Hi-tech Nomadics

– How packet radio fits in with the world’s highest-tech bicycle …… N4RVE 48

TexNet Packet-switching Network

– Check out this highly effective low-overhead packet network …… WD5IVD 54

Amateur Packet Networking

– Going beyond keyboard-to-keyboard QSOs …… WB6RQN 60

DX Dynasty Awards

– The Dynasty grows …… WB2DIN and 73 Staff 65

TCP/iP for the Macintosh

– Merging this powerful networking system with a user-friendly micro! …… WA8DZP 68

Vertical Antennas at HF -part II

– More surprising facts about HF verticals …… W1GV 70

Packet Racket Lip Zipper

– Automatic rig speaker silencer for packet operation …… KB1UM 13

My SX-64 Runs Digicom!

– Run this popular low-cost packet interface on C-64’s portable brother …… KA9ELV 24

Put Your IC-22S on Packet

– Dust it off and dedicate it to 2m packet! …… KE4PC 31

KAM Box

– Switch mode and band in an instant …… N4AQG 32

One-chip RS-232 for the C-64

– Quick ‘n easy level converter …… KB0CDQ 34

Standardizing the Radio/tNC Interface

– Get up and running quickly with any rig/tNC combo …… WB6RQN 40

Improve Your TNCs DCD Circuit

– For a faster and smarter DCD …… N7CL 50

HF Packet Tuning Aid

– Hear your way to dead-on tuning …… W6IOJ 80

The Quickchanger

– This makes mixed-mode/band operation a breeze …… KA3MRX 84

DRSI PC Packet Adaptor

– Packet interface on a PC expansion card …… WB6RQN 20

GRAPES 56 Kbps Modem

– Transfer large program files in a flash on packet! …… KA9Q 42

DX Helper

– DX software for the Macintosh …… WB8EHS 59

Flodraw

– Simple schematic drawing on your PC …… WB9CWE 99

73 Amateur Radio Today – October 1989

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