uk-Rowridge frequencies need updating

[infidelus]

In March COM8 moved from channel 37 (602 MHz) to channel 56 (754 MHz).
In May COM7 moved from channel 31 (554 Mhz) to channel 55 (746 MHz).
L-SOT has moved from channel 29 (538 MHz) to channel 37 (602 MHz).

uk-Rowridge.txt