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On Thu, 16 Oct 2003 16:00:39 GMT, Dave Shrader
wrote: Look at that BPL antenna in the foreground!!!! That's nearly half a mile away and probably not the type of lines they'd be using. I think they need their feed points closer together than those towers. So far I get very little noise from that line, but the one feeding the neighborhood comes in from the south through a mile of woods. It has some very noise spots, but of the intermittent variety. Roger Halstead wrote: On Wed, 15 Oct 2003 20:20:31 GMT, "Jim Hampton" wrote: Brian, I don't know about you, but I received a whole week pass from Belleveu I'm not sure about the crazy part, but... For those who have a "good" broadband connection here is a panoramic view from the top of my tower. If you don't have broad band, don't waste your time. This thing is 19.5 megs. It should take under a minute with cable, and close to 10 minutes with ADSL, so you can imagine how long it'd take with a dial up connection. http://www.rogerhalstead.com/towerview.htm I stood on the triangular top plate of the ROHN 45 G (at 100 feet) and shot the entire series hand held. The camera was set to manual, but BTW, I was thoroughly belted to the mast coming out the top of the tower. Where I was standing the mast is really two concentric steel tubes. One is 1 1/2 while the other is 2 inch. Both have 1/4 inch wall. There are two 21 foot lengths of 1 1/2 welded together and then a single two inch, 21 feet long over the middle. I put all that up by hand and welded the two center masts together inside the tower. the wind was gusting to 20 MPH plus, so a few of them didn't line up good enough for a proper match when making the panorama. 20 MPH gusts make all that steel shift around while the tower hardly quivers. When the wind gets up around 60 to 70 MPH the top of the mast with the pair of 12L 2 meter antennas and a pari of 11L 440s looks like a Bluegill fly rod that just hooked into a Largemouth Bass. It's amazing those two arrays have held together this long. Roger Halstead (K8RI EN73 & ARRL Life Member) www.rogerhalstead.com N833R World's oldest Debonair? (S# CD-2) Roger Halstead (K8RI EN73 & ARRL Life Member) www.rogerhalstead.com N833R World's oldest Debonair? (S# CD-2) |
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Yeah Roger, I used to live within 100 meters of three sets of 3 phase
high tension lines and they were VERY quiet. In 38 years of operation from that location I can't recall more than a handful of noisy times, generally during high humidity in July/August, when the insulators would corona. These were generally cleaned up within a few days to a week. DD, W1MCE Roger Halstead wrote: |
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