This is a Mig-21bis navigation file for Persian Gulf map with much more RSBN stations and 2 kneeboard pages with all of them.
From channel 1 to 18 the stations are the same as defaulft file. My file contains new channels from 19 to 32 covering Iran country aswell 1 ARC station also on Iran.
Copy R_NAV_data_PersianGulf.lua file to: (overwrite)
C:\Program Files\Eagle Dynamics\DCS World OpenBeta\Mods\aircraft\MIG-21bis\Cockpit\Systems\
RSBN_Persian1.png and RSBN_Persian2.png images to:
P.s.: Everytime there's a game update, the navigation file is overwriten, so you have to copy it again.