Antennas
Comet
Hy-gain
Components
AEA
Ameritron (amplifiers)
Cable X-perts (cable)
CCI (amplifiers/modules/components)
Hamtronics (kits/modules)
Jameco (components)
Mirage (amplifiers)
Radio Works
Texas Towers
Distributors
Amateur Electronic Supply
Ham Radio Outlet
MFJ (tuners/kits/accessories)
Manufacturers
ADI
Alinco
ICOM
Kenwood
SGC
TEN-TEC
Yaesu
Organizations
ARRL - Amateur Radio Relay League
TAPR - Tucson Amateur Packet Radio
APRS Authors
APRS, Bob Bruninga WB4APR
Florida APRServe, Steve Dimse K4HG
Windows/Macintosh/Linux APRS, Sproul Brothers WU2Z KB2ICI
APRS+SA for Street Atlas, Brent Hildebrand KH2Z
APRSd, Dale Heatherington WA4DSY
PerlAPRS, Automated Control Application for APRS, Rich Parry W9IF
PocketAPRS for PalmPilot, Mike Musick N0QBF
ICQSERVE, ICQ to APRS Gateway, Tom Schaefer NY4I
Xastir, APRS clone for Linux
Miscellaneous Hardware
Alinco DR-135TP - A new mobile radio w/ built in TNC
HamHud - Heads-up display for mobile APRS
Kantronics - Makers of TNC/Packet modems including the KPC-3+ TNC
Kenwood TH-D7A - The original APRS HT Radio
Kenwood TM-D700A - The original APRS Mobile Radio
MFJ - Amateur Radio Accessories including APRS/Packet Products
MIM Module - APRS, GPS, Telemetry unit for APRS trackers
Paccomm - Makers of Amateur Packet Radio Systems and components.
Pharosgps - Resellers of OEM GPS including the iGPS-180
TAPR Hardware Kits - Including APRS WX Station and MIC-E Encoder
Tekk Data Radios - Data ready radios for 1200/9600/19.6k Packet
Tigertronics - Amateur Radio equipment and GPS Tracking Products