Over the years, AMRAD has been instrumental in advancing amateur radio technology and in telecommunications for persons with disabilities.
Here are our accomplishments:
- Sponsored and/or hosted three ARRL Digital Communications Conferences in the Washington, DC area.
- Convened 1999 AMRAD Technical Symposium in Falls Church, VA.
- Authored the ARRL's Spread Spectrum Sourcebook (used as a reference in the IEEE individual learning course).
- Contributed to the spread spectrum material in the ARRL Handbook.
- Hold monthly meetings devoted to presentations on technical subjects (recently including multimedia, radio local area neworks, software defined radio, ultrawideband technology and digital broadcasting).
- Meet weekly at Saturday luncheons to exchange ideas and project assistance.
- Continue to publish the authoritative AMRAD Newletter as a source for experimental information.
- Provided judges for Northern Virginia science fairs.
- Made the first HF contact on packet radio on the east coast of the USA.
- AMRAD/W4RI and K2SZE aired first amateur spread spectrum transmissions on HF.
- Tested police radars for susceptibilty to amateur transmitters.
- Operated low-frequency (LF) transmitters in Northern Virginia under an FCC experimental license.
- Jointly with the Radio Society of Great Britain (RSGB) and the Deutscher Amateur-Radio-Club (DARC), AMRAD sponsored competiton for first successful amateur transatlantic transmissions at LF.
- AMRAD/AA4HS operates a radio receiver remotely controlled via the Internet.
- Frank KØBRA, Bernie W4SW, and André N4ICK made field measurements on Broadband over Power Line (BPL) systems in Maryland and Manassas, VA.
- Developed the AX.25 amateur packet protocol which was adopted by AMSAT and standardized by ARRL Digital Committee.
- Built and operated a landline computer bulletin boards believed to be the second in the USA.
- Built and operated one of the first radio bulletin boards in the world.
- Designed and constructed the AMRAD-OSCAR 27 satellite payload in conjunction with EYESAT.
- Designed the popular AMRAD/KØBRA active antenna published in QST.
- Developed the Computer Assisted Relay System used by many statewide deaf TTY relay services.
- Developed the first BBS based ASCII-to-TTY converter ("TEDIVERTER") for deaf telecommunications.
- Contributed to FCC rules on spread spectrum and conducted spread spectrum testing with the FCC.
- Provided safety communications for cross country races.
- Operate the W4CIA (formerly WD4IWG) FM repeater on 147.81/147.21 MHz near Tysons Corner, VA for use by experimenters.
- Operated the Handicapped Educational eXchange (HEX) BBS for use with ASCII and TTY modems.
- Provided Internet access for the Northern Virginia Resource Center for Deaf and Hard of Hearing Persons.