OurAirports has records for 4 different navaids with the identifier "CON". Please select the one you'd like to view.
China
113.00 MHz (CON -.-. --- -.)
-.-. --- -.
Ireland
117.40 MHz (CON -.-. --- -.)
Paraguay
405 KHz (CON -.-. --- -.)
United States
112.90 MHz (CON -.-. --- -.)