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7 votes
Accepted

Route cables on the inside of the tower?

Without exceptional grounding of each leg of the tower with heavy straps and grounding rods and an unshielded 4ga ground wire from the antennas the Electromagnetically induced surges are severe on any ...
KD9UQE CRAIG's user avatar
7 votes
Accepted

What's the proper way to mount antenna mast to the side of a house?

I know that the gap between the wall and the antenna mast that would be created using the wall mounts you mention is not for lightning damage prevention purposes. If a bolt of lightning can travel ...
rclocher3's user avatar
  • 9,242
5 votes

What might this tower be used for?

That's a typical cell phone tower. The 3 antennas are phased so that they can change direction when receiving.
Mike Waters's user avatar
  • 8,071
5 votes

What might this tower be used for?

The picture isn't of sufficient quality to say for sure, we would need a better closeup of the cabinets and antenna elements to say with any kind of confidence. Also without knowing the country and ...
noitsbecky's user avatar
3 votes

Buying used tower

You should first ask the manufacturer. They should be able to provide the all-important safety, erection, and guying information. Study the manual and relevant info first, which probably is available ...
Mike Waters's user avatar
  • 8,071
2 votes

Is a 1/4 wave vertical actually better than inverted L on 160m?

Below is the result of a NEC4.2 comparison of the radiation patterns & gains of the two configurations of radiators, with other things the same.
Richard Fry's user avatar
  • 2,932
1 vote

Is a 1/4 wave vertical actually better than inverted L on 160m?

There should be some difference in efficiency, on the basis that the vertical portion of an inverted-L is "pure radiator", whereas the horizontal portion functions partially as a capacity ...
hobbs - KC2G's user avatar
  • 12.5k
1 vote
Accepted

What to use to build a tower here in the Philippines?

Have you thought about how you would get the signal from the towers (that seem to be placed rather at a large distance) to your shack? How will you compensate for the transmission losses? As for your ...
Dieter Vansteenwegen's user avatar
1 vote

What might this tower be used for?

It's kind of hard to make out on the picture, but it looks like there's something dish-y on the right: So that's very likely a microwave point-to-point link. That might be used as some cellular ...
Marcus Müller's user avatar

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