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ZR6AIC: Creating a 2m Fm Repeater with a Raspberry Pi (B) and a RTL dongle.
As it says. They have a hat board with a 2m filter on; it could really use an amplifier too, I suspect.
to 2m fm radio raspberry-pi repeater sdr ... on 26 February 2017
simonyiszk/csdr: A simple DSP library and command-line tool for Software Defined Radio.
SDR pipeline tools for Unix. The author's done various neat stuff involving FM subcarriers with this.
SDR with Raspberry Pi and DVB-T receivers | JPMeijers.com
FM broadcast and APRS reception.
to aprs broadcast fm raspberry-pi rtlsdr sdr ... on 14 December 2013
SDR receiver for RTL sticks, with FM and DAB demodulators.
Turning the Raspberry Pi Into an FM Transmitter - Imperial College Robotics Society Wiki
The code that the WSPR beacon is based on: broadcast-style FM transmission using a Raspberry Pi GPIO.
to arm fm radio raspberry-pi ... on 24 March 2013
RDS decoder. In Perl. Obviously. Hooking this up to gqrx or similar would be an interesting project.
Catweasel Floppy Read/Write Tools
Open-source code to decode FM and MFM floppies using a Catweasel. But the code's retargetable (see the previous bookmark), and contains excellent documentation of how the encoding schemes work. (I now find myself wanting a CW/Discferret to play with...)
to floppy fm imaging mfm retrocomputing ... on 11 January 2013
Dutch equivalent of mb21. Some impressive pictures of the Smilde collapse...
The "Unusual methods for receiving FM" section is interesting.
to electronics fm radio ... on 01 March 2009
Cool386's Australian Site of Antiquated Technology
Super-regenerative radios of various types. The author's Australian, which makes this more interesting than most radio-retrotech sites...
to electronics fm radio retrotech valve ... on 01 March 2009
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tasty by Adam Sampson.