I already checked the WIKI and as my luck would have it, it's not listed. I have exhausted all my other sources as well. Anyone on list know who would be using 163.9500 NAC 173 in Southwestern PA..
I already checked the WIKI and as my luck would have it, it's not listed. I have exhausted all my other sources as well. Anyone on list know who would be using 163.9500 NAC 173 in Southwestern PA..
The original transmissions were in the clear and were referencing weather conditions at "the airport" (location never mentioned). Later in the day transmissions were encrypted,