[Tagging] mast / tower / communication_tower (again)

Greg Troxel gdt at lexort.com
Sat Oct 27 00:08:53 UTC 2018

SelfishSeahorse <selfishseahorse at gmail.com> writes:

>> For an example of something used in communications (an American thing,
>> but totally normal and other countries surely have equivalent things
>> with the same characteristics):
>>   http://www.rohnnet.com/rohn-65g-tower
>> which says right there can be up to 500 feet when guyed and 80 feet not
>> guyed.  But it's the same thing in both cases -- it just needs more
>> support when taller where the forces get bigger.
> I'd call this is a -- either guyed or not guyed -- mast (because there
> is no internal access).

I'm ok with that, as long as we realize that we are defining words to
not line up with US usage.  That's fairly normal, but we should be clear
that we are doing it.

>> As I said earlier, things that are maybe 10cm in diameter are usually
>> called masts.  These are very minor and not really used in
>> telecom/broadcasting.
> Do you call this [1] a mast in the USA?
> [1]: https://commons.wikimedia.org/wiki/File:LeifersexTimZentrum.jpg

Yes.  I (a ham radio operator) would call that a mast, because it isn't
lattice (like Rohn 65).  But it's on the large/strong end of mast, vs a
2" / 5 cm tubing section.  The general public would call that "cell
tower", but then again they would refer to cell antennas bolted onto the
top floor of a building "cell tower" also - for them, it's a functional
term.  But most amateur radio people would call it tower or mast if just
asked "what's that", and almost all that said tower if you then said
"but really, is it a tower or a mast", would say "well, good point, it's
just a mast, but it's on the upper edge of mast ".

>> So maybe we just need
>>   man_made=antenna_support_structure
>> for all things which are not buildings and basically exist to support
>> antennas, and avoid the tower/mast word choice, which is pretty clearly
>> contentious and/or confusing.
> I'm not very convinced because that would mean that everything from
> this tiny mast on a roof [1] to the Tokyo Tower [2] would be tagged
> man_made=antenna_support_structure.
> [2]: https://en.wikipedia.org/wiki/Tokyo_Tower

I really mean things that have almost no other purpose.  That structure
is also a tourist attraction, and it seems to have been built for that.
So I would not call it antenna_support_structure.

Here's a photo of something near me for TV, with no other purpose (other
than other communication stuff also put on it).


This is definitely antenna_support_structure.

But I don't really expect people to like this proposal.

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