AMRAD accomplishments

Karl W4KRL W4KRL at
Sat Dec 22 17:43:43 CST 2012

Here is a good activity for your spare time in this holiday season: Please
mark up this list of AMRAD accomplishments with the general dates (spring
2003, June 2007, etc.) and e-mail it back to me. Any other information
(names, call signs, locations) would also be useful. Also add any
accomplishments worthy of inclusion in the list.



Karl W4KRL



AMRAD Accomplishments

Over the years, AMRAD has been instrumental in advancing amateur radio
technology and in telecommunications for persons with disabilities.

Here are our accomplishments:

Educational Activities:

*	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 networks, software defined
radio, ultrawideband technology and digital broadcasting).
*	Meet weekly at Saturday luncheons to exchange ideas and project
*	Continue to publish the authoritative AMRAD Newsletter 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
*	AMRAD/W4RI and K2SZE aired first amateur spread spectrum
transmissions on HF.
*	Tested police radars for susceptibility 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 competition for first
successful amateur transatlantic transmissions at LF.
*	AMRAD/AA4HS operates a radio receiver remotely controlled via the


*	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
*	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.

Operational Activities:

*	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
*	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.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the Tacos mailing list