OurAirports has records for 4 different navaids with the identifier "PTN". Please select the one you'd like to view.
Ecuador
390 KHz (PTN .--. - -.)
.--. - -.
Myanmar
415 KHz (PTN .--. - -.)
115.60 MHz (PTN .--. - -.)
United States
245 KHz (PTN .--. - -.)