3/17/2023 0 Comments Raspberry pi fldigi![]() ![]() If you would like to suggest a modification or contribute a sample, please send a sample, waterfall image and information about the signal to, or post in the comments. If you enable stereo mix and pass the sample audio to an appropriate decoding program the sample audio should be decodable for most samples. I will be slowly adding more to this list over time. Most of these have been received with an RTL-SDR software defined radio. Anyone can edit and improve the information on the pages on the wiki.Ī guide to help you identify some amateur and utility digital radio signals and sounds which you may find on the frequency spectrum. Please use the new Signal Identification Wiki which has many new signals. NOTE: Recent changes to WordPress seem to have broken the audio on this page. ExtIO with Decimation & Tuner Bandwidth Controls.Manual gain controls and decimation driver.Measuring Traffic Volumes with Passive Radar.SignalsEverywhere Direction Finding Tutorial.Measuring Filter Characteristics & VSWR.Performing Replay Attacks with RTL-SDR and RpiTX.QRP (FT8, JT9, WSPR etc) Monitoring Station.Decoding 433 MHz ISM Band Weather Stations.GOES 16/17 and GK-2A Weather Satellite Tutorial.At the moment, I have a couple of bare wires that I short to start PTT, which I want to connect to a (or 6 as appropriate) that I would like to trigger with RTS.Īnyone have some idea how to set this up? The reason I am wanting to use RTS is so that ANY Ham software can operate PTT by using the "serial port" RTS line. This particular radio has no line in/out, not any sort of data interface, so I must assert PTT by shorting the SLEEVE and RING on the microphone input jack. Not that I am NOT using a signal link, but am using the cmedia audio USB adaptor and directly coupling the audio in/out to the radio (5-watt X1M) which likes the levels very well. As such I cannot assign RTS nor CTS to one of the GPIO pins. ![]() ![]() I installed bw_tools and the git programs but I cannot use gpio_? as the system tells me it is not installed. I am successfully using then Raspberry Pi model 2 with both fldigi and qsstv but I still need to get PTT working. I added the singalink explicitly as a device listed in /etc/nf. I tried a million things, but I think I know what fixed it. I wasn't getting any signal in fldigi, no waterfall. I fired up fldigi and could suddenly select port audio devices - and my signalink was in there as the USB Audio CODEC as a playback and capture device. So I installed the portaudio packages and recompiled fldigi with portaudio support (your working package probably has this already). But once I got it loaded, I saw I couldn't select any devices in the soundcard config.Īfter reading the fldigi linux recommendations I figured using the portaudio library on top of ALSA was the way to go. If the package loads for you I'm jealous. I had to add a bunch of packages as you'd expect but finally it compiled and worked. The fldigi package didn't fire up for me, I'm not sure why, so I ended up compiling it from source. Turns out I got it working and never had the capture device show in alsamixer so that was no biggie. I don't see a capture device in alsamixer though, and that's freaking me out. The program 'alsamixer' is showing both cards, and I can select between them. The internal soundcard does not have a capture device, so just card 1 is showing up. Code: Select all 0 : BRCM bcm2835 ALSbcm2835 ALSA - bcm2835 ALSAīurr-Brown from TI USB Audio CODEC at usb-bcm2708_usb-1.3, full speed ![]()
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