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    Re: Early Air Navigation with RDF
    From: Jacob M. Huffman III
    Date: 2019 Apr 17, 18:09 -0500
    When I began Nav Training at Mather AFB in 1971, one of the instructors handed out a two or three page typewritten list of CONUS AM radio stations and their associated towns.  Doubt if I still have it.  I think the intent was to help us through nav school since there was a problem in southeast Asia and the AF needed all the navs it could get, almost regardless of their quality.

    On Wed, Apr 17, 2019, 9:48 AM Ed Popko <NoReply_EdPopko@fer3.com> wrote:

    I have read that Amelia Earhart was the first civilian pilot to try (and she failed) Bendix RDF equipment on her ill fated flight.  I have also heard that air navigators within the US were issued small directories of the latitude/longitude of powerful AM radio stations, mostly major cities, as an aid to navigation.

    I havent been able to find any example of these directories. Are any NavListers aware of these early RDF directories?

    I did find these two references but both are much later.

    • Introduction to Radio Direction Finding, US Army Intelligence Center, August 1999  (attached, see section of RDF and lines of position)
    • Naval Oceanographic Ollice publication H.O. 205, “Radio Navigational Aids"

    Ed

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