Use to vacation at Snowshoe in the summe, riding mtn bike. Been on the Cass train. Neat going up through the switch backs, stopping for water, etc. The radio observatory it's another neat destination close by.
Cellphones , digital cameras , microwave ovens and a bunch of other items interfere with there radio signals . The have vehicles with tracking devices that can detect a cellphone from miles away and you will get stooped and warned if you use any of these !!