OurAirports has records for 5 different navaids with the identifier "SRN". Please select the one you'd like to view.
Australia
257 KHz (SRN ... .-. -.)
... .-. -.
Iran
415 KHz (SRN ... .-. -.)
Italy
330 KHz (SRN ... .-. -.)
113.70 MHz (SRN ... .-. -.)
Venezuela
395 KHz (SRN ... .-. -.)