ATPL Training Radio Navigation #10 Radio Aids VOR and Doppler VOR Operation

[@av1ra1]

What exactly is the definition of Doppler shift ? What im able to understand from the video its the measurement of freq change but in the my class notes i have written movement of source with respect to observer, pls help me

[@martinsaviationlife2690]

Somehow the BPM of this vide matches with alot of my music playing which makes it less boring