On Fri, 24 Oct 2008 02:14:24 -0700 (PDT), dgleeson422111
wrote:



What we have repetadly found is that the radio in the office can
receive long after the radio in the street has stopped receiving. (The
person with the radio in the street is moving away from the office.)



This is typical for groundplane antennas.
They radiate upwards.


Polarization could be a factor.
Reflections change the polarization appr. 90 degrees.

Rotate the antennas left & right to find out.

(you did not mention your type of antennas)

w.