#osnma
Live, measured metrics for the hashtag #osnma from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #osnma
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 23:43 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-28 23:43 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 23:43 UTCEverything below is measured over the latest 6 public posts (spanning ~42769 hours).
Posting hours (UTC)
Languages: English (5)
Avg boosts / post: 1
Top of the latest posts
Great overview of #OSNMA, what it does and does not protect against and how it can be paired with other GNSS protection mechanisms such as Spreading Code Authentication to provide more thorough spoofing resistance. https://insidegnss.com/os
🛰️ Galileo #OSNMA uses Timed Efficient Stream Loss-tolerant Authentication (TESLA) chains for authentication which is a very elegant solution to work around the limited size available in GNSS packets. A signature, even less so a post-quant
The EGNSS MATE project, led by Swiss Federal Railways, is experimenting with map-assisted sensor fusion algorithms to include GNSS into the signaling scheme of the European Rail Traffic Management System. Nice to see Navigation Message Auth
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/osnma