r/hackrf
hackrf SDR
Founded June 2013 · Public — anyone can post
HackRF is an open source software definded radio developed by Michael Ossmann with funds from the DARPA. It has an operation frequency from 1 MHz to 6 GHz (send and receive in half-duplex). You find further information on the github page https://github.com/mossmann/hackrf/wiki
Members
38,653
39K
Online now
—
not captured in the last snapshot
Posts per day
0.8
from the last 100 posts, spanning 118.2 days
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
+2.7%
+1K members · ≈31d
Promo tolerance
—
not assessed yet
Last post
Oct 9
sampled Oct 9
Distinct posters
80%
of the last 100 posts
Tracking since Aug 7 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
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r/hackrf — frequently asked
How many members does r/hackrf have?
r/hackrf has 38,653 members as of our most recent crawl on Oct 9. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/hackrf growing?
Over the last ≈31 days r/hackrf changed by +2.7% — a gain of 1K members. We compare against the nearest snapshot we actually hold and state the real span rather than rounding it to a clean "30 days".
How active is r/hackrf?
Around 0.8 posts per day, measured from the newest 100 posts on Reddit, which span 118.2 days. Posting rate matters more than subscriber count when you're deciding where to spend your time — it determines how long your comment stays visible.
When was r/hackrf created?
r/hackrf was founded in June 2013 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Who posts in r/hackrf?
Of the last 100 posts we sampled, 80% came from distinct accounts; the newest was published Oct 9. A low share means a feed dominated by a handful of accounts (bots, mods, or one prolific poster) rather than a community.
Can I promote my product in r/hackrf?
We don't have a promo-tolerance read for r/hackrf yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/hackrf for mentions?
Hit Watch on this page. Prowlo starts crawling r/hackrf into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/hackrf's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/hackrf's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
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