I can run a NEC simulation tomorrow to see how much radials up and over affect things.
Dave WX7G On Aug 10, 2012 10:16 AM, "Herb Schoenbohm" <he...@vitelcom.net> wrote: > On 8/10/2012 11:17 AM, N2TK, Tony wrote: > > I shunt feed my tower for topband. I use variable vacuum caps and a > vacuum > > relay at the base to switch between the low end and the high end of the > > band. It seems to work okay. I have 100' buried radials spaced 10' at the > > ends from o degrees going clockwise through about 220 degrees. I have a > 4' > > high stone wall that runs about 20/200 degrees that is about 35' at its > > closest point to the tower. So the radials are progressively shorter on > the > > West side of the tower. > > > > > > > > I am making an assumption that going up over the wall will distort any > > benefits of extending the radials on the West side? Is that a true > > assumption. > > > > I can't really have the radials go from the tower base up at an angle to > > clear the stone wall and continue on. If I am to extend them the radials > > would have to go on the ground to the wall then up and over and back > down to > > the ground. > > > > > > > > > Tony, A long masonry drill used in the cable TV industry (which has a > hole on the pointed end to attach the wire and pull it through the wall, > is your best option in my view. > > Herb Schoenbohm, KV4FZ > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
