Coverage Plots
Note: all plots assume completely omnidirectional antenna. Yes, there are mild effects from the tower legs not yet shown here.
This plot depicts received signal strength at the mobile from the W4TTR repeater.
Standards
Time: 90%
Location: 90%
Repeater ERP: 200 Watts
Transmit antenna AGL: 1940ft.

This next image illustrates where W4TTR might receive mobile signals (as interference down to -116dBm) with the following parameters:
Time: 25%
Location: 50%
Mobile ERP: 25 Watts
disregard the blank spot near the center