OurAirports has records for 10 different navaids with the identifier "SF". Please select the one you'd like to view.
Bulgaria
529 KHz (SF ... ..-.)
... ..-.
Greenland
382 KHz (SF ... ..-.)
Kenya
304 KHz (SF ... ..-.)
Norway
283 KHz (SF ... ..-.)
New Zealand
366 KHz (SF ... ..-.)
Russia
410 KHz (SF ... ..-.)
385 KHz (SF ... ..-.)
Ukraine
588 KHz (SF ... ..-.)
United States
379 KHz (SF ... ..-.)
275 KHz (SF ... ..-.)