[Elecraft] Question about vertical and radial placement

[djmd]

Hello,

Currently without any HF antenna and after seeing my friend's success with
his homebuilt vertical, I'm starting to consider a self-supported 43'
allbander, from DX-Engineering or the like. Not really looking to discuss
general performance vs. other antennas, but I am curious about my options
for installing.

I live in a very standard subdivision-type lot, about 180'x70' with a
single-story 55'x25' house right in the middle. The one option that I have
to rule out is putting the antenna smack-dab in the center of the backyard.
Besides just not wanting an antenna in the middle of my backyard, that would
put the antenna way too close to the 7200v powerline strung over my property
line. About the only ground-mounted option would be 5-10' away away from the
back of the house, which would make it clear the high-power line, but it
could still come in contact with my 240v residental feed if it went over in
that direction. 

My ideal location would be on the roof. Not only could I be 100% clear of
any powerlines, phone, or cable, but it would be nearly 20' higher, and
basically in the clear of anything to the sides. My question, therefore, is
what about radials? Draping radials across the roof doesn't sound like an
option to me, mainly for asthetic reasons. So I ask: could I send #2 or #4
copper from the antenna base to both the front and the backyard, and connect
it each one to radials in both the front and back yard? I would be mounting
this antenna within 10' of the end of the house, so I could send 1 piece of
copper down one of the ends of the house, and then split off from there in
each direction. It would probably then take about another 20-30' in each
direction before it met with the radial distribution point. 

Thank you for any insight. Will probably post this to eham verbatim as well,
but wanted to start here.

K8DJW




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