The Marine Corps Historic Half Marathon was yesterday morning in Fredericksburg. Here's what was monitored:
147.0150 [ 88.5] Amateur Radio - K4TS
154.7250 [131.8] Fredericksburg Police 1 (patched to Spotsylvania talkgroup 02-041 and STARS talkgroup 98)
158.8350 [203.5] Fredericksburg Fire 3 (Medical Branch)
155.7150 [156.7] Fredericksburg Fire 7 (Celebrate Command)
Marines used temporary trunked system (388.5250 control, system ID 355, site 101, WACN BEE0A, NAC 350)
The Fredericksburg Police channel uses voice inversion, but the patched talkgroups allowed one to listen to all units. (The sound quality was poor on the STARS talkgroup.)
The trunked system that the Marines used is probably a mobile, low-power system. A similar system was used for the 2008 race. Due to the weakness of the signal, I was not able to determine if the talkgroups used were clear or encrypted.
851.8375 [141.3] was monitored shortly after the race; this frequency was probably used for car-to-car communications among visiting public safety units.
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