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r/RTLSDR

104,373 subscribers
A subreddit for the low-cost software defined radio (SDR) community. While originally dedicated to the [RTL2832U USB rtl-sdr](http://sdr.osmocom.org/trac/wiki/rtl-sdr) project, relevant content related to general SDR, RF, and similar projects are also welcomed.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Troubleshooting DIY Projects/questions Hardware Software RTLv3, MSi.SDR, discone Antennas Theory/Science Software - DSD+
New Top (24hr) Top (Week) Top (Month)
to r/RTLSDR by sc0tt_pdp
1 month ago
Preview thumbnail for Unobtrusive Heatsinks image
Unobtrusive Heatsinks
to r/RTLSDR by BrianOConnorGaming
2 weeks ago
Preview thumbnail for Weird issues with rpi /rtlsdr v4 from spyserver. Pictured is 100MHZ range FM stations showing up at 55MHz… more info below. image
Weird issues with rpi /rtlsdr v4 from spyserver. Pictured is 100MHZ range FM stations showing up at 55MHz… more info below.
Troubleshooting
to r/RTLSDR by BrianOConnorGaming
2 weeks ago
DSD+FL plugin for SDR#?
to r/RTLSDR by pablopeecaso
3 months ago
How to do this on the cheap.
to r/RTLSDR by Fetish_Dom
1 month ago
Airspy R2
to r/RTLSDR by pablopeecaso
6 months ago
Where does it come from
to r/RTLSDR by jxj24
6 months ago
This is your opportunity to contribute to ionospheric propagation research.
Theory/Science
to r/RTLSDR by ikrigos
9 months ago
Preview thumbnail for What are these straight lines appearing throughout the spectrum? Is it interference? I have seen such lines in different systems located in different cities with the RTL-SDR v4. image
What are these straight lines appearing throughout the spectrum? Is it interference? I have seen such lines in different systems located in different cities with the RTL-SDR v4.
Troubleshooting
to r/RTLSDR by That_Bullfrog7696
1 month ago
Malahit clone on PC
to r/RTLSDR by sansman7911
9 months ago
Looking at HackRF clone.
DIY Projects/questions
to r/RTLSDR by oxfordsummer
1 year ago
RTL_433 and SDRPlay
Troubleshooting
to r/RTLSDR by tyfys321
3 months ago
sdr# frequency manager
to r/RTLSDR by HeloRising
7 months ago
Building a portable box for SDR use - What am I missing?
DIY Projects/questions
to r/RTLSDR by cr8tor_
1 year ago
SDR Trunk: How are multiple simultaneous calls handled?
to r/RTLSDR by slukeo
9 months ago
New to SDR and have some questions about software for ADSB. Do most people use dump1090? What are the best visualization methods for a beginner? I am a Windows desktop user just doing this for fun for now.
Software
to r/RTLSDR by oxfordsummer
1 year ago
RTL-433 ISM decoder and the SDRPlay receivers?
Troubleshooting
to r/RTLSDR by thesnable
1 year ago
I am using wxtoimg beta and i cant update the keplers from celestrak. Its not reachable. Where can i download them? Thanks alot
Troubleshooting
to r/RTLSDR by milkharv
5 months ago
P25 phase 2 radio locations?
to r/RTLSDR by DavidQT69
4 months ago
Is DSD+ still in production??
Software - DSD+
to r/RTLSDR by KristupasChrisV
10 months ago
Preview thumbnail for Here’s how the fengyun 2h looks like to my location, i read that a 120cm dish should work for it, could someone give me guidance what and how to build it? image
Here’s how the fengyun 2h looks like to my location, i read that a 120cm dish should work for it, could someone give me guidance what and how to build it?
Hardware
to r/RTLSDR by KristupasChrisV
10 months ago
What is the best and most cost efficient way to receive ELEKTRO-L2?
to r/RTLSDR by SaladicUtopia
6 months ago
RPI 3 versus RPI 4 for combined SDR
to r/RTLSDR by schoobiefoo
1 year ago
HF/Shortwave - SDR# - Ham It Up - Nooelec 9:1 "balun" - Long Wire -- Issues
to r/RTLSDR by schoobiefoo
1 year ago
SDR#/SpyServer Pipe Audio to VB-Cable/PDW
in SpyServer
to r/RTLSDR by ScotchMints
1 year ago
Ali Express RTL SDR