Thanks, Carl! Seems to me that laying on the ground, the VF would be considerably lower, and so we could shorten them. 73, Mike www.w0btu.com On Sun, Mar 11, 2012 at 7:58 PM, ZR <zr at jeremy.mv.com> wrote: > Ive said several times that my 500' BOG's dont need a preamp. The signal > level may be 5-6dB lower >