Questions tagged [rtl-sdr]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
0 answers
136 views

Running Multiple RTL-SDR Applications using a Single Dongle

I want to run two applications in my Raspberry Pi (model B): Weather stellite tracking; Airplane tracking with dump1090. I have installed the RTL software and scripts from this tutorial for the ...
AW Exchanger's user avatar
0 votes
2 answers
836 views

Able to play audio on CLI but not on VNC when headless

I have a Raspberry Pi 4 8GB that I'm looking to use for ham radio applications. In particular, I'm currently working with an rtl-sdr dongle for software-defined radio. Right now I'm just working with ...
nerdenator's user avatar
0 votes
0 answers
312 views

"FILE...is not a Debian format archive"

EDIT: I downloaded a Debian package from debian.org website (via wget "ftp.us.debian.org/debian") however the package downloads as a text file and not *.deb on my Debian Buster. Why is that? I was ...
Seth Shill's user avatar
2 votes
1 answer
1k views

Pi based Radio Telescopes?

I'm interested in building a Raspberry Pi based radio astronomy telescope. I'm not too set on any particular science objectives, but rather just want to get some experience with the full system, learn ...
clifgray's user avatar
  • 721
0 votes
2 answers
2k views

How to Pipe RTL_FM audio out to minimodem in Rasberry Pi Strech?

I am trying to decode the data which is received through rtl_fm with rtl-sdr. I am using the below command rtl_fm -f 144.5e6 -s 200000 -r 48000 | aplay -r 48000 -c 1 -f S16_LE | minimodem --rx 1200 -...
user3661448's user avatar
0 votes
0 answers
549 views

Raspberry Pi SDR Radio with aplay and minimodem not working

I am trying to receive data which is transmitted at 144.025 Mhz, using RTL-SDR with the below command and it works perfectly (even tested with local fm radio and the audio is good).. rtl_fm -f 144....
user3661448's user avatar
0 votes
0 answers
260 views

How to stream audio/video from Raspberry Pi to Windows PC

I have a Raspberry Pi 3b that I am using as a radio server with a rtl-sdr (Realtec Software Defined Radio). I would like to have any audio coming from the Raspberry Pi to be streamed to my windows 10 ...
ComTech14's user avatar
6 votes
2 answers
11k views

Raspberry Pi 3B+ freezes randomly

General setup My RPi is connected to a mouse, keyboard, and monitor. My swap size is set to 1000 MB and I'm not using wifi. Problem The RPi freezes randomly, meaning the GUI is frozen, no SSH ...
Hemanti's user avatar
  • 73
2 votes
1 answer
689 views

Raspberry Pi 3 noise

I've noticed that my Raspberry Pi 3 is spewing much noise into my SDR radio which I listen remotely. As expected, any SDR on HF frequencies is very noise sensitive. Connected directed to a laptop the ...
João Fonseca's user avatar
0 votes
1 answer
467 views

how to run rtl_fm from a bash script

I'd like to know if it's possible to run rtl_fm from a .sh file: I know it's possible, but what I'd like to do is to run it, record for 5 seconds (I can place a sleep here) and stop the process (in ...
itd's user avatar
  • 123
1 vote
0 answers
1k views

Radio frequency spectrum analyzer for Raspberry Pi [closed]

I am doing research for a new project and would like to poll the community for any advice. I want to build a spectrum analyzer on the Pi that will log frequencies and the power level they are at. I ...
sjo91190's user avatar
4 votes
3 answers
721 views

PiFm dBµV/m without an antenna

I have been wanting to tinker with the Raspberry PI to learn more about electromagnetic frequencies; however, before initiating anything, I read the legal debates regarding PiFm. It appears that both ...
Ethan's user avatar
  • 41
1 vote
0 answers
1k views

Any way to receive DAB radio on the Raspberry Pi?

I've been looking around and can't seem to find something where someone has got DAB radio working on the Raspberry Pi with an RTL-SDR. It seems possible, as the RTL-SDR is fully capable of receiving ...
smithy212000's user avatar