[RVRC] Navigation in the 1940s: The Four Course Radio Range

[Gerry Jurrens]

Check out this interesting video on YouTube:

http://www.youtube.com/watch?v=p-VqtNY8vpw&feature=youtube_gdata

Mentioned in AOPA Pilot article June 2010. www.barryschiff.com wrote it.

There are two David Frantz's listed in QRZ at the same address.  
Probably father & son. The 54 year old is an 8,000 hour pilot for  
Airline Transport Comminications & Navigation.

GJ

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Pls 4give typos & brevity!