“A few days ago we posted about RpiTx, a piece of software that allows you to turn your Raspberry Pi into a multi purpose transmitter by modulating the output on one of the GPIO pins.
Now over on YouTube user HA7ILM has uploaded a video showing his related software qtcsdr. Qtcsdr runs on the Raspberry Pi and interfaces with an RTL-SDR dongle and RpiTx to create a simple transceiver radio. In the video HA7ILM shows the software in action by using a microphone and RTL-SDR plugged into the Raspberry Pi, and showing the microphone transmitting via RpiTx and being received via the RTL-SDR.
Qtcsdr can be downloaded from https://github.com/ha7ilm/qtcsdr.
“This past weekend I found some interesting results from medium wave DXing with both models of Wellbrook Imperium loop antennas at the “fabled”... Read more
The Morse Mouse – Educational Fun with Amateur Radio Learning should be fun – and you’re never too old to learn something, right? Do... Read more
When attempting to activate a new mountain peak, in Colorado, for SOTA, Summits on the Air, Steve Galchutt, WG0AT, uses goats to act as his “sherpas... Read more
GigaParts Opens Las Vegas Location with Former AES Employees Huntsville, Alabama, January 6, 2017 — After Amateur Electronic Supply went out of... Read more
Just ahead of the 2017-2018 contest season, ARRL has announced rule changes and clarifications to League-sponsored contests. These include an improved... Read more
The American Red Cross (ARC) has asked the ARRL for assistance with relief efforts in Puerto Rico. ARC needs up to 50 radio amateurs that can help rec... Read more
The Giovannini rotators, are designed for medium and very large antenna systems and the specifications that you read below are suitable for this. Mono... Read more
“Dear WSJT-X Beta-Test Colleagues, Steve (K9AN) and I have developed a potential new mode for WSJT-X. We’re calling the mode “FT8... Read more
“Here some images of the damage that Hurricane Maria did. The roof of my garage is completely gone, a tower collapsed and all the antennas are b... Read more
The FCC has put on public notice and invited comments on a Petition for Rule Making (RM-11767), filed on behalf of an amateur amplifier distributor, w... Read more
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Photo: DR1A The Ask Dave series answers your questions about ham radio, with emphasis on those new to the hobby. This video addresses the age-old ques... Read more
Main Features – Transmission test (tuning diplexer and filter, testing amplifier and inspecting the directivity of antennas) – Reflection... Read more
— Tomas / Amateur Radio Operator, NW7US ( http://NW7US.us ) – Twitter: https://Twitter.com/NW7US – Facebook: https://www.facebook.co... Read more
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