On 1/11/23 4:13 PM, Lux, Jim wrote:
On 1/11/23 3:43 PM, n0tt1@juno.com wrote:
https://www.coasttocoastam.com/article/video-series-of-mysterious-antenna
s-found-throughout-foothills-of-salt-lake-city/
73,
Charlie, N0TT
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https://youtu.be/lARsgBr3SGg
is the KSL-TV story..
I'm surprised they didn't just take a spectrum analyzer and watch them
(in situ). Or once they had one, open it up and see what's inside.
Probably some sort of mesh network experiment. Good luck with that
antenna and feed line lasting the weekend.
_
s/weekend/winter/
I've put payloads like this up on hills (with permission) - but the
person who gave permission might not be the person who answers the phone
for a question like "what is that"? Many range land, public lands
management orgs have limited staff and it's not like they have some
master database of everything. For instance, you might want to put
something on US Forest Service land, and you talk to the ranger, they
give you a paper form to fill out, you provide your "certificate of
insurance", and that gets filed somewhere. It's not in some database or
indexed, etc. If someone came by 6 months later and said "I found this
on peak 6312, what is it?" they'd have no way to figure it out.
They generally do ask you to put a placard of some sort on it, but
that's more for you, so that you can answer questions, and perhaps to
discourage people from using it as an improvised target. Or, to take it
as a souvenir.
This is something that I've given a lot of thought to in schemes for
diversity or phased arrays or for antenna measurement, particularly on
receive. These days, with cheap high performance GPS it's pretty
attractive- Have a GPS, a processor, something like a RTL-SDR and a
battery and solar panel, with a mesh transceiver (or some convenient
radio link to bring the data back)
The other way people put stuff out in the wilderness on public lands is
by filing a mining claim(s). That claim can be pretty sketchy (after all
you don't give away the true nature of your bonanza - so you say you're
going to mine gravel). And sure, you're required to do some development
work on the claim - "Why I installed a remote monitoring system to
collect geophysical and environmental data to facilitate the future mine
development." The law requires $100 worth of work or improvements per
year. (your time lugging that box counts) iF you're claiming a "mill
site" it has to be associated with a mineral site, but doesn't have
extraction - but one thing it could be is "other uses in support of a
mining operation".
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