#hp4277a
Live, measured metrics for the hashtag #hp4277a from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 13:46 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 13:46 UTCNo related tags with measured usage found for #hp4277a.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 13:46 UTCEverything below is measured over the latest 4 public posts (spanning ~9256 hours).
Posting hours (UTC)
Languages: English (4)
Avg boosts / post: 1.3
Used together with
Top of the latest posts
I still find the #HP9816 useful today, to control #GPIB instruments. I wrote two programs, one to control the Bruel&Kjaer 2034 audio spectrum analyzer to do third-of-octave analysis and another one to do various measurements with a #HP4277A
I reorganised the main menu of the #HP4277A control program running on the #HP9816. I still have to work on the C vs V measurements. If you have studied a #mos structure you’ll know it is THE measurement to do to understand what’s going on.
Here is another picture of the whole set #HP9816, #HP7475A, hidden an #HP9122 and an #HP9134, the Bruël & Kjær 2034 and the #HP4277A LCZ meter.
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/hp4277a