KNBR (AM 680) Antennas, Redwood City, CA, 2024.
All the pixels, none of the RF exposure, at https://www.flickr.com/photos/mattblaze/54131419266
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this post was submitted on 21 Jan 2025
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Note, important safety tip: you can get closer to this tower without clearly trespassing or jumping fences than most other 50KW broadcast antennas I've encountered. I measured a field strength of over 80V/m a bit outside the tower fence, which is an incredibly strong signal (though still within OSHA limits at the frequency involved).
Resist any temptation to jump the fence and climb the (energized) tower. You'd be electrocuted as soon as you touch it.
@mattblaze@federate.social there may be a literal pair of smoking boots as the only remaining evidence.
@greem @mattblaze I’ve seen that movie.
@20002ist @greem I don't think you want to look in the trunk, officer...
@mattblaze@federate.social @greem@cyberplace.social The actual line is even better.
@20002ist@thepit.social @greem@cyberplace.social Proof that "You don't want to look in there" > "I do not consent to a search"
@mattblaze@federate.social @20002ist@thepit.social @greem@cyberplace.social I’m gleeful to see the absolute best film ever made finally referenced here. Laughing aloud, thanks
@mattblaze@federate.social Interesting I'm going to do some field tests for interference for a wildlife monitoring radio system & I'm wondering what you used to measure this
@mwhelm For AM, the instruments of choice are the Potomac FIM-41 or PI-4100 (the former being older, analog, and more fun to use, the latter being soulless, digital, and easier to use).
@mwhelm@sfba.social
@mattblaze@federate.social
Ever since I saw this video by @geerlingguy@mastodon.social, I realized that respect for towers could be life-saving.
https://youtu.be/GgDxXDV4_hc