191 posts analyzed Updated Sep 2026
Averages 6 posts/day, top 25% activity. Most active Saturdays around 10 AM UTC. Mostly image posts.
r/RTLSDR Traffic & Engagement r/RTLSDR Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/RTLSDR Most Active Times When r/RTLSDR Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/RTLSDR Flair Performance r/RTLSDR Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Software | 19 (42.2%) | 14 |
| Troubleshooting | 12 (26.7%) | 17 |
| Guide | 6 (13.3%) | 9 |
| Hardware | 5 (11.1%) | 33 |
| Antennas | 3 (6.7%) | 96 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/RTLSDR Trending Keywords Trending Keywords in r/RTLSDR
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| sdr | 52 (27.2%) | 16 | 9 |
| rtl | 32 (16.8%) | 16 | 10 |
| meteor | 14 (7.3%) | 26 | 5 |
| help | 13 (6.8%) | 10 | 8 |
r/RTLSDR Mentioned Domains Mentioned Domains in r/RTLSDR
Most linked sites Most linked sites in this subreddit
This community doesn't link off-site.
Its posts are text, images, or discussion rather than outbound links.
r/RTLSDR Top Posts Top Performing Posts in r/RTLSDR
Highest-performing posts Highest-performing posts. Each title links to Reddit.
The Cause, and the Effect!
gr-tempest
HackerGadgets Mini RTL-SDR
Endlich da 😃
People keep asking how to get started with satellites on SDR, hopefully this helps?
LakeShark moved to the LilyGO T-Display-P4 (ESP32-P4) - runs P25, POCSAG, ADS-B, FM and a MeshCore node on one handheld
What is your mobile/carry anywhere setup looks like for signal hunting?
digital pattern on medium wave
Typhoon approaching / GK-2A
Does anyone know anything about this (supposedly SDR relevant) rooftop scanner? RPI powered.
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| The Cause, and the Effect! | 279 | 65 | image | Sep 13 |
| gr-tempest | 271 | 42 | image | Sep 18 |
| HackerGadgets Mini RTL-SDR | 193 | 39 | image | Sep 4 |
| Endlich da 😃 | 152 | 29 | image | Sep 28 |
| People keep asking how to get started with satellites on SDR, hopefully this helps? | 139 | 11 | link | Sep 2 |
| LakeShark moved to the LilyGO T-Display-P4 (ESP32-P4) - runs P25, POCSAG, ADS-B, FM and a MeshCore node on one handheld | 128 | 8 | image | Sep 11 |
| What is your mobile/carry anywhere setup looks like for signal hunting? | 105 | 19 | image | Sep 5 |
| digital pattern on medium wave | 88 | 13 | image | Sep 8 |
| Typhoon approaching / GK-2A | 81 | 5 | image | Sep 20 |
| Does anyone know anything about this (supposedly SDR relevant) rooftop scanner? RPI powered. | 78 | 27 | image | Sep 24 |
r/RTLSDR Audience Overlap r/RTLSDR Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/RTLSDR FAQ Frequently Asked Questions About r/RTLSDR
What's the best time to post on r/RTLSDR?
Based on posting volume, r/RTLSDR is most active on Saturdays around 10 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/RTLSDR?
r/RTLSDR averages 6 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.
How many upvotes do posts on r/RTLSDR get?
Posts on r/RTLSDR average about 16 upvotes this month (net score per post).
What kind of posts does r/RTLSDR get most?
On r/RTLSDR, posts are a mix of formats, mostly image posts