r/RTLSDR

136k members
r/RTLSDR is a subreddit with 136k members. They frequently recommend/review operating system, antenna, and power bank, and the most common flair used is software, antennas, troubleshooting, diy projects/questions, and hardware.
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.

Products Discussed in r/RTLSDR

#1
DragonOS
4.3 from 3 reviews
#2
Ham Radio
5.0 from 1 review
#3
Debian
4.0 from 1 review

Antenna

4 reviews
#1
Discone
4.0 from 1 review
#2
PA0RDT
5.0 from 1 review
#3
Eggbeater
5.0 from 1 review

Power Bank

3 reviews
#1
Baseus
5.0 from 1 review
#2
Xiaomi
5.0 from 1 review
#3
Insignia
4.0 from 1 review

Flair Used in r/RTLSDR

#1
Software
: "I built a tool that reads your local dump1090 feed to predict aircraft close encounters and sun/moon transits"
15 posts
#2
Antennas
: "Got this bad boy in the mail"
11 posts
#3
Troubleshooting
: "out of luck with METEOR M2-3&4 satellites"
8 posts
#4
DIY Projects/questions
: "on Anbernic RG-DS"
5 posts
#5
Hardware
: "RTL-SDR/LoRa/GPS/RTC All-In-One Hat for raspberry pi"
4 posts
#6
Signal ID
: "an FDMA Signal that look like P25"
3 posts
#7
VHF/UHF Antennas
: "DIY ADSB Antenna"
2 posts
#8
Linux
: "SDR on my cyberdeck"
2 posts
#9
Guide
: "Guide: How to RTL-SDR Blog V4 on Raspberry Pi 5 with JBL GO 3 Speaker and software"
2 posts
#10
1.7 GHz and above
: "I got my first MetOp AHRPT and METEOR HRPT images!!"
2 posts

Member Growth in r/RTLSDR

Yearly
+18k members(15.2%)

About

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Last updated: July 24, 2026