We joke about our building being a Faraday Cage... Same glass, with a metal roof... not much sneaking through the masonry. I have also noticed odd things regarding the same glass and it's effects on our FLIR camera...
mikey At 08:13 AM 12/05/2003 -0800, you wrote: >Many modern buildings are using a coated glass - if you are >outside and looking at the building and at certain angles the >glass looks a grey or bronze color then you have that coating. > >I was working in a building in downtown Los Angeles and the >glass men were replacing a broken window. I could stand >in the middle of the room and through the window opening >see the mountain that the repeater was on and use my HT >just fine (TX and RX). An hour later the glass was reinstalled >and I was totally out of communications. I asked the glass >guys if there was something special about the glass and they >said that it was a low-E glass with an additional sunlight >reflective coating. > >Mike WA6ILQ > >At 03:18 PM 12/5/03 +0000, you wrote: > > >I agree, it depends on the building. We have a metal-skinned > >building 2 miles from a UHF repeater, which is working just fine. It > >is very difficult to access this repeater from inside this building, > >while the same portable can access the repeater 15-20 miles away > >outside. > > > >I know this answer doesn't directly address the original question, > >but the point here is that a perfectly fine repeater can be difficult > >to work from inside some buildings, no matter the distance. > > > >Laryn K8TVZ > > > > > >--- In [email protected], "Ralph Mowery" > ><[EMAIL PROTECTED]> wrote: > > > > > It all depends on the building. I work at a place that is only > >about 3 air > > > miles from a 100 watt two meter repeater. If it was not for the > >walls I > > > could see the repeater antenna. There is nothing wrong with the > >repeater > > > system. On the second floor on the side near the repeater and only > >about 3 > > > walls away from the outside I can not hear or access the repeater. > >Tried > > > several HTs that are known to be working fine. I can access the > >repeater > > > from atleast 10 air miles away with them. The building has lots of > > > stainless steel panels and machinery and other big ammounts of > >moter > > > control circuitry. I can walk about 30 feet to an outside door and > >open it > > > and access the repeater just fine on the low power setting and even > >300 > > > miliwatts one rig puts out. > > > > > > > > > > > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ --------------------------------------------------------------------- Mike Perryman Cavell, Mertz & Davis, Inc. [EMAIL PROTECTED] Consulting Engineers http://www.cmdconsulting.com 7839 Ashton Avenue K5JMP Manassas, VA 20109 USA (703) 392-9090; (703) 392-9559 fax; DC Line (202) 332-0110 --------------------------------------------------------------------- Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
