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Software Defined Radio - ARRL
Software Defined Radio or SDR is the use of digital signal processing to detect radio signals. While you don't have to know how it works to use it, these ... Learn More
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Flex Radio
Software defined radios have arrived, and FlexRadio is leading the charge. We are on a mission to change commercial and amateur radio. Learn More
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A Software-Defined Radio for the Masses, Part 1 - ARRL
Now that I am beginning to grasp many of the concepts involved in soft- ware radios, I want to share with the. Amateur Radio community what I have learned ... Learn More
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Learn More About SDR - ARRL
May 8, 2026 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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Xiegu G106 SDR HF Transceiver | 5W QRP Radio | SSB CW AM WFM
Software-defined radio (SDR) system uses software for the modulation and demodulation of radio signals. Processing via a computer or other digital devices with ... Learn More
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Ulrich Rohde, N1UL, Recognized for Pioneering Work on SDR - ARRL
Jan 17, 2017 ... While working under a US Department of Defense contract at RCA in 1982, Rohde's department developed the first SDR, which used the COSMAC ( ... Learn More
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Celebrating Software Defined Radio - ARRL
Jul 12, 2024 ... The Software Defined Radio Academy (SDRA) celebrated its 10-year anniversary. Founded in 2014, the SDRA has become a new platform for the exchange of knowledge. Learn More
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Surfin': Get On the Air with SDR - ARRL
Apr 27, 2012 ... This week, Surfin' gets its feet wet with SDR by means of a bevy of online SDR receivers. On the Software-Defined Radio (SDR) front, Tad ... Learn More
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A Software Defined Radio for the Masses, Part 4 - ARRL
Phil Rice, VK3BKR, published a nearly identical version of the van. Graas transmitter circuit in Amateur. Radio (Australia) in February 1998, which may be found ... Learn More
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Surfin': Combining Software Defined Radios and Smartphones - ARRL
May 24, 2013 ... This week, Surfin' checks out a ham who is developing a handheld radio that's a cross between a smart phone and an SDR. Learn More
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