I've been monitoring WISCOM talkgroup 8451, which is being used by the Wisconsin National Guard for the mock tornado disaster drill in Waukesha.
They were testing HF comms yesterday. They started testing on 2652 USB. Then they moved to 4774 USB. Then JOC advised to "move up in the band and go to channel 3", which was 7648.5 USB. So, I'm assuming CH1 was 2652 and CH2 was 4774.
They were also using "ALE CH104", but I didn't catch a frequency for this one.
They were testing HF comms yesterday. They started testing on 2652 USB. Then they moved to 4774 USB. Then JOC advised to "move up in the band and go to channel 3", which was 7648.5 USB. So, I'm assuming CH1 was 2652 and CH2 was 4774.
They were also using "ALE CH104", but I didn't catch a frequency for this one.