OurAirports has records for 5 different navaids with the identifier "PF". Please select the one you'd like to view.
Australia
416 KHz (PF .--. ..-.)
.--. ..-.
Russia
475 KHz (PF .--. ..-.)
635 KHz (PF .--. ..-.)
Tajikistan
385 KHz (PF .--. ..-.)
United States
278 KHz (PF .--. ..-.)