Thanks for the question. Normally on VHF Hi (150 to 170 mhz roughly) I would expect a range of 30 to 40 miles with my existing setup when listening to base / repeaters. Sometimes there are band "enhancements" or skip where the signals present where we can hear signals farther than the normal line of site range. The more I listened to that 154.085 the more convinced I am that is was St Peter Security Hospital due to the nature of the communications. I say the band was "open" because it was outside my normal range of listening. There are many forms of enhanced propagations, ducting, E skip, etc. If you search for VHF skip you will find many descriptions of how a signal can be heard further than the normal line of site mileage. Sometimes the skip is very short lived, other times it opens for a a few hours.
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154.085
Linear Mode
