 1XS (Also VP9F) |
Reginald Aubrey Fessenden | First broadcaster of the human voice and music. Read his short history here. |
| 1XAM (Also JL, 1XT, 1QP, K6BJ) |
John L. Reinartz | Early radio pioneer and inventor. Invented the first practical CW tuner. Also a North Pole explorer. |
 3BEC |
Arthur Middleton Young | Inventor of the first commercially practical helicopter (Bell Helicopter), philosopher, poet and painter. |
 8CR |
Powel Crosley Jr | Co-founded the American Automobile Accessory Company and founded the Crosley Radio Corporation, the world's largest radio manufacturer. He was known as "The Henry Ford of Radio". |
 G3TPW |
Stephen Webb | Among his list of credits is designer of the VHF wide band high power amplifier of the Pye "Whitehall", re-designing the high power varactor multiplier microwave amplifiers for Ferranti, the design of the G3TPW Cobwebb antenna and designing the ASTRID (Automatic Satellite Telemetry Receiver and Information Decoder) for decoding and displaying information from the UoSAT satellites (pictured). Read more about him at his own site: http://www.g3tpw.co.uk/Page8EvenMoreFAQs.html. |
| G4RK | Capt. George Thomas Smith-Clarke | Prolific inventor, designed and developed, amongst other things, the the 9-cylinder Alvis Leonides radial engine and a motor scooter. |
 G5RV Plus 54 or so other calls. |
Louis Varney | Designer of the popular G5RV HF antenna. Read his short history here. |
 K6LFH |
Mirabeau C. ("Chuck") Towns | Amateur satellite pioneer. OSCARs I & II were built in his garage. |
| N3BIZ | Dr. Winthrop M. Leeds | High-voltage circuit-breaker designer and developer at Westinghouse Electric for 44 years. Inventor with 100 patents. Fellow of the IEEE. Designed the circuit breakers for the Hoover Dam. |
 N6TX |
Dr Howard Paul Shuch PhD. MA. BS. AS. (Dr. SETI ®) |
A prominent radio astronomer. Designed the world's first commercial home satellite TV receiver (1978). Also the SETI Leagues' Executive Director Emeritus. Thanks to the good Dr himself for the photo. |
| N9LC (ex W8ZIS) |
George H Sweigert | Inventor of the cordless phone and envisioned the mobile phone. |
| N9FZX | Dr. Paul A. Flaherty | Co-inventor of the Alta Vista Search Engine. |
 NE2Q (Also WV2BLX, WA2BLX) |
Jay Kolinsky | Invented and manufactured the electronic sirens used on most burglar and fire alarm systems throughout the world. |
 SP9VRC |
Pawel Jalocha | Co- Inventor of the PSK31 and inventor of MT63, Q15X25 plus other digital transmission systems. Thanks to Henryk Zowlski, SP9JPA, for the photo and extra information. |
 VK3JU |
Ross A. Hull | Australian radio pioneer in VHF and UHF. Co-inventor of first publicly demonstrated Radio Controlled aircraft (1936). Died from electrocution in Connecticut, USA, (1938) while experimenting with early TV broadcasting. |
 VK5AX Click picture for full view of Alf operating his invention. |
Alfred Hermann Traeger (Alf Traeger) |
Inventor of the Pedal Powered Wireless. |
| W0ROW | Eugene Senti | As engineer for Collins Radio, invented the radio transceiver (transmitter and receiver in a single package, with shared circuitry). |
 W1AW (or 1AW, earlier 1WH) |
Hiram Percy Maxim | Son of the prolific inventor, Sir Hiram Stevens Maxim (most famous for inventing the machine gun). Hiram Percy Maxim invented the gun silencer and co-founded the American Radio Relay League (ARRL) who now use W1AW as the club station call. |
 W1GBE |
Percy Lebaron Spencer (Percy Spencer) |
Inventor of the Microwave Oven, Senior Vice President of Raytheon Co. Call now used by Raytheon-Marlborough Amateur Radio Club. |
 W1HQ (Also W1CUT) |
Laird Campbell | First amateur to use transistorised transmitters on 160, 40, and 20 metres. |
 W2ALS |
Frank Gunther | Established first mobile two-way police communications system in 1932, opening up VHF mobile spectrum. Frequency Modulation pioneer. The picture shows Frank testing his portable 56-Mc transmitter-receiver from a rooftop location in New York City in 1932. |
 W2BML (Also 2BML) |
Dr. Harold Henry Beverage | Inventor of the Wave antenna, more commonly known as the "Beverage antenna". Read his short history here. |
| W2JTP | Byron Kretzman | RTTY and FM pioneer, |
 W2QBO |
Wilson Greatbatch | Inventor of the cardiac pacemaker. |
 W2SGG |
Stanislaus Francis Danko (Stan Danko) |
Co-inventor of flexible printed circuits. |
| W2ZK | Amory "Bud" Waite | Radio pioneer, inventor and Polar explorer, after whom the Waite Islands and Cape Waite are named. Rescued Admiral Byrd in 1934. |
 W3KAS |
Paul Baran | Invented packet switching, basis of Internet and other modern communication networks; developed first telemetry equipment for NASA. |
 W5CY |
Howard Robard Hughes (Howard Hughes) |
Billionaire, inventor, aviator, aircraft designer, engineer, industrialist, film producer/director, philanthropist and (later) recluse. |
| W5MAP | Robert A. Broding | Leading inventor in field of oil exploration, who made major contributions regarding sonic logging. |
| W6SP | Col. John W. Browning | Decorated fighter pilot who was "father" of military satellites and former AMSAT board chairman. |