For the PCS frequencies the max transmitter power is 8 or 15 watts depending on the equipment per carrier. Antenna gain is typically 16 to 18 dBi per sector. Usually 3 sectors. The average power usua
I am putting up 90 feet of RH55 this summer but still trying to control the buget a little. I live at 7200 feet in the New Mexico mountains so I do get some ice,snow, and wind. I am starting to consi
_______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any quest
I have gotten a lot of great thoughful responses to my request...Thank you all. I got quite a few suggestions about stacking 2 2 element 40 meter beams and I agree that is a good thing to do but not
I just hit solid rock at 3 feet for my Rohn 55 installation. Yesterday I spent the whole day drilling 6 inch holes in the solid rock (4 holes per base) and then gluing in 1/2 inch rebar anchors with
Manufacturers of shortened and loaded 40 meter beams say there is less interaction with a 15 meter beam than with a fill sized beam. How is that so, since the elements are resonant on 40 meters wheth
On page 13-18 of the latest ON4UN Low Band DXing book, there is a variant of a full sized 40 meter beam called the NW3Z yagi. Has anyone built and installed one of these? or have info about them. Als
Looking for the metal shielded gopher proof stuff... Any Ideas.....other than theft from a telco truck? I need about 125 feet anyone have any they want to sell or give away? -Dave WD7Z ______________
Yes! I wholeheartedly agree with that. I worked hard in my county to get 65 foot as a permissive height for amateur antennas. I was able to get a conditional permit for 90 feet at my QTH. However for
I guess I can take a shot at this. I worked as an engineer for PCS companies for 8 years doing system design. As the lead engineer of many markets I did RF strength calculations on hundreds and hundr
I haven't used it yet but we obtained a capstan winch that attaches to our chainsaws. We are going to try it Saturday to raise sections of Rohn 55. I'll let you know how it works after we try it. htt
It will be attached to the base of a large tree (away from the tower) There will be a pulley at the base of the tower directly below the (heavy duty ginpole)(standard safety proceedure). The capstan
Well after all the discussion about the chainsaw capstan winch, it turned out to work absolutely even better than we had hoped. All 90 feet of the Rohn 55 was installed on Saturday and we were done b
As requested..... here are some pictures of the chainsaw capstan winch in operation raising sections of Rohn 55 for 90 feet at WD7Z. http://community.webshots.com/user/thehamdav _____________________
What size copperweld woks for durable beverages run in the trees? My trees will be pinon juniper and small pines. Dave WD7Z _______________________________________________ See: http://www.mscomputer.
The winch plate is attached to the stake bed pockets via motercycle strap.....this would not be safe to winch 1000 lbs but it was fine for 100 lb sections of tower. Also the big rope is attached to t
Yes it worked very well. We used some velcro straps to hold the throttle to a bit over 1/2 on the saw. It took some fiddling to get it so we will experiment with some other ways to do it. We are also
I just put up 60 feet or Rohn 25 with the solid fiberglass rod insulators and it works out great. I guyed it with Phillystran at 50 feet. I put a spark gap at the base with a gas tube across it to gr
I'm doing the same running on AC no problems so far. -WD7Z _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", an