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Mode Hoppers
The official Web site for the Mode Hoppers group.

This page was last updated on: November 14, 2001

Copyright 2001, all rights reserved.
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AMSAT is a worldwide group of Amateur Radio Operators who share an active interest in building, launching and then communicating with each other through non-commercial Amateur Radio satellites.
APRS was developed by Bob Bruninga, WB4APR, to track mobile GPS stations with two-way radio.
PSK31 is a new digital mode: designed by Peter based on the RTTY mode of operation, useful for live keyboard to keyboard QSO that works at 31.25 bauds, available for free for many platforms, including Windows with SoundBlaster type Soundcard, and uses advanced DSP and narrow band (31 Hz!!) techniques.
Digital Communication applications
associated with, HAM radio and related hobbies.