[TowerTalk] Large, I mean large steel building for a vertical ground plane

[Hector Garcia XE2K]

Richard:

Next to the shack we install a  metal roof  that is 33 x 66 galvanized  sheet metal, is 18 ft high , in one of the corners I weld a pipe  where install a coax Loop and a Alpha Delta  DX-B ,  the installation that the AD  show in his diagram is feed at the top and lower like sloper  using a tower or a metal as counterpart , in my case  the installation was like a Vertical, using my metal roof like ground , the wires go to my higher tower at an angle of 65-70 deg showing and SWR less than 1.5 :1 in all the bands (segments) that is designed  , i'm not using this antenna to TX   just  RX like  noise antenna for my noise canceler and i'm happy with it.

Maybe in the next contest i will try for TX also and see how perform.

I think will be a nice idea to use all that metal surface   for your  "antenna Farm",
why not a pair of  phased verticals for the low bands?

Hector

Hector

Richard Thorne <rmthorne at suddenlink.net> wrote: Our place of business burned back in October.  This is also where I have 
my remote controlled station.

Its looking like the most cost effective way of putting things back 
together will be via a steel building. This thing will more than likely 
be 100feet wide by 300feet long.  It will have the normal steel 
structure with steel roof and sides.

It seems to be me this would make for a perfect ground plane / radial 
system for a vertical for the low bands.  Other than having the builder 
install a few 2" steel masts at the apex of the roof (bonded to the 
steel structur instead of the roof itself), are there any other 
suggestions here?  I'm thinking of installing a vertical in the middle 
of the apex attach a ground wire to the steel structure and call it a day.

I'm thinking of installing a 10 - 80 Steppir on the roof which will get 
me started.  If all goes well I'll also install some sort of tower 
during the build so the contractor can handle the concrete work at the 
same time.

Rich - N5ZC
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Hector Garcia XE2K / XF1K
   Mexicali B.C  DM22fp
P.O.Box 73 
El Centro CA 92244-0073
USA
http://www.xe2k.net
http://www.dxxe.org