OurAirports has records for 4 different navaids with the identifier "RIV". Please select the one you'd like to view.
Italy
371 KHz (RIV .-. .. ...-)
.-. .. ...-
110.00 MHz (RIV .-. .. ...-)
United States
113.00 MHz (RIV .-. .. ...-)
South Africa
117.60 MHz (RIV .-. .. ...-)