SubTrends

Averages 10 posts/day, top 25% activity. Most active Saturdays around 9 PM UTC. Mostly image posts (66%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
10 10%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
20 1%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
6 7%
Activity Rank #15,026 by posts/day among 92,652 tracked SFW subreddits as of Jul 2026 (Top 25%). Arrow is spots gained or lost vs the prior month.
#15,026 1,514
Top 25%
Posts w/ Links The percentage of posts that link off-site. This counts true link posts plus text posts with a URL in the body. Image and video posts are not counted.
12%
Low-Reply Rate Share of posts with 0 or 1 comment. A single comment is often an automated mod reply rather than real community discussion.
41%

r/shortwave Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes01020300204060Jul 1Jul 8Jul 15Jul 22Jul 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Image
Typical Title Length Short (59 chars)
Peak Day Tuesday

Upvote Distribution

How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.

2–9
48%
10–99
46%
100–999
6%
1K+
0%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 85%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 10
Top post Highest upvote count on a single post this month. 269

r/shortwave Most Active Times

Peak posting by day and hour (UTC)

Sun
Mon
Tue
Wed
Thu
Fri
Sat
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
7 PM
8 PM
9 PM
10 PM
11 PM
← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 8 AM
Mon 12 AM
Tue 6 AM
Wed 2 PM
Thu 1 AM
Fri 8 PM
Sat 9 PM

r/shortwave Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Discussion31 (35.6%)19
Video28 (32.2%)16
Recording14 (16.1%)23
Photo8 (9.2%)32
Build6 (6.9%)10

Post Type Breakdown

Share by text, image, or link

66%image posts

r/shortwave Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
radio
67 (22.6%)
194
utc
61 (20.6%)
121
khz
46 (15.5%)
132
heard
43 (14.5%)
132
texas
29 (9.8%)
112
tecsun
27 (9.1%)
225
480wla
26 (8.8%)
112
panasonic
26 (8.8%)
152
antenna
24 (8.1%)
226
grundig
22 (7.4%)
80

r/shortwave Mentioned Domains

Most linked sites

Domain Links Upvotes
youtu.be75
youtube.com36

r/shortwave Top Posts

Highest-performing posts

r/shortwave Audience Overlap

Overlapping audiences

r/shortwave FAQ

What's the best time to post on r/shortwave?

Based on posting volume, r/shortwave is most active on Saturdays around 9 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/shortwave?

r/shortwave averages 10 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.

How many upvotes do posts on r/shortwave get?

Posts on r/shortwave average about 20 upvotes this month (net score per post).

What kind of posts does r/shortwave get most?

On r/shortwave, most posts are image posts (66%)