Originally Posted by DaveInDenver
The Broomfield machine is 145.310-, 100Hz tone. It's a RX-only for the system, so if your shadow causes your reception to be scratchy then it won't help (it does not retransmit 145.310, just listens to 144.710). It's job is to help primarily Boulder hams when they TX to get into the machine.
Yeah, my reception is very very good. I just can't transmit
And yeah, now that you say it, the HRO guys said it was a 100Hz tone.