[Tagging] mast / tower / communication_tower (again)

[Graeme Fitzpatrick]

On Thu, 25 Oct 2018 at 20:39, Paul Allen <pla16021 at gmail.com> wrote:

>
> Where, in your (or anybody else's) scheme of things does the BT Tower fit?
> https://en.wikipedia.org/wiki/BT_Tower
>
> Its primary purpose was for microwave communications and replaced an
> earlier steel lattice
> mast (wikipedia calls it a tower but from the description it was a mast)
> on the site.  It contained
> office space, galleries, a souvenir shop and a rotating restaurant.  Due
> to security concerns, public
> access to the tower ceased in 1981.
>

So it would have been a man_made=communications_tower (which I want to
rename multipurpose) but after 1981 should have been changed to
man_made=tower
tower=communications

Given that public access to the BT tower has ceased, is it now a mast?  I
> think not. :)
>

Definitely not!


> But I do think it
> needs some sort of tagging to distinguish it from the likes of
> https://en.wikipedia.org/wiki/Preseli_transmitting_station
> (even though it is sometimes referred to locally as "The Big Tower").
>

Yep, that would be a
man_made=mast
tower:type=communication


>
> And then there are oversized lamp-posts for mobile phones.  And there's an
> ordinary telephone
> pole near me, with wired connections to surrounding houses, which also has
> two crowns of
> flat plate antennae for mobiles.  And I've seen a couple of
> strange-looking small antennae in my
> local town that might be GSM or might be part of the current UK emergency
> services network.  Oh,
> and there's a radio ham near me with a Versatower (or similar) laden with
> antennae.
>

Yep, when does a pole become a tower? Doesn't seem to be any definition
that I can find that says that one becomes the other at x metres tall, or
when there are more than y things attached to it? But I've always called
these
https://www.google.com/maps/@-28.0642511,153.4367305,3a,75y,169.28h,116.4t/data=!3m7!1e1!3m5!1sqWVrnPMgsfc-fBLPmwFp-A!2e0!6s%2F%2Fgeo0.ggpht.com%2Fcbk%3Fpanoid%3DqWVrnPMgsfc-fBLPmwFp-A%26output%3Dthumbnail%26cb_client%3Dmaps_sv.tactile.gps%26thumb%3D2%26w%3D203%26h%3D100%26yaw%3D206.28014%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656
mobile phone towers, with telephone or power poles in front of it.

Thanks

Graeme
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