Navaids near Ratmanov (Big Diomede) Heliport

Radio navigation aids 11,001 to 11,002

Overberg NDB

South Africa

428 KHz (OB --- -...)

8,903.8 nm (16,489.9 km) NNW

Orcadas Del Sur NDB

Antarctica

295 KHz (DNO -.. -. ---)

9,323.9 nm (17,267.9 km) ESE