There are two different configurations for steel ground rods - copper-clad rod or galvanized/tin/aluminum-clad and they're used for different soil conditions. Here's what Bob, AA0CY, ex-Polyphaser en
Most grounding specs call for 2 or even 3 rods per run from the tower leg. You want to have a hub (the tower) and spokes (the ground wire/rods) arrangement. The trick is connecting the wire to the ro
Yes - a typical spec calls for non-shrink grout. I have to go to a concrete supply house to get the right stuff - I haven't been happy with the stuff available from the big box hardware store. Cheers
This usually turns out to be a bad motor starting capacitor. I don't know if there's anything special about it so I can't suggest any substitutes but maybe you could get one from the Rotor Doc or Nor
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VE1JF has a bunch of almost new Phillystran and grips. There are only 2 ham distributors in North America - Texas Towers and Burghardt Radio. Cheers, Steve K7LXC
the Well, that's your answer. If Rohn doesn't know - no one on TT has any better answer. one No. Having the anchors out 80% of the tower height is just ONE scenario - there can be many; i.e. 50%, 100
The only acceptable termination is the Phillystran Preformed grip. Before the grips were available, cable clamps were used but the pressure caused the fibers to cold flow so using cable clamps is NOT
You need to tie them together. Commercial sites use a perimeter ground around the building but you could probably get away with a good ground (a couple of ground rods) at the service entrance and the
There are specially made Preforms for Phillystran ONLY. They're longer and are designed for the jacket size and material. Other Preforms are different. There are specific Preforms for 1/4" EHS; there
Why don't you get a PE to calc the thing? You can get in contact with a Volunteer Consulting Engineer through the ARRL website. That would be more impressive to me than some anecdotal stories. Cheers
Yes. This is the alternative to the typical big rotation loop (that can hook on tower bits). Mechanically or electrically? Not really. Same deal. Don't wrap the cables tightly around the mast - just
There's a special tariff code that is for personal use ham radio equipment and exempts (or minimally taxes) that sort of stuff. I don't have the code number with me off-hand. Cheers, Steve K7LXC Cham
If you have a problem with TowerTalk - please contact me. It doesn't do much good to send a 'test' message to 1100 people. In this case, delivery was disabled which I was able to switch back on - pr
Of course the REAL story on HF vertical performance is available in our vertical comparison report available from <A HREF="http://www.championradio.com">www.championradio.com</A>. Sixty-some pages of
in have Well, this came thru just fine. Folks - if you have a problem with receiving TT, please EMAIL ME. You don't need to bother the other 1100 TowerTalkians about it. Tnx. Cheers, Steve K7LXC TT A