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    Re: Hello from new member
    From: Brooke Clarke
    Date: 2003 Jan 29, 09:59 -0800

    Hi Peter:
    It's my understanding that the LORAN-C system will be kept as a backup to GPS for WAAS.
    The other satellite based nav systems are so similar to GPS that all of them 
    would be rendered useless by a jammer.
    The current issue of GPS World has an article on how various types of jamming 
    effect various receivers.  Bottom line, ALL GPS
    receivers are susceptible to jamming, it's just a question of how much power.
    Smith_Peter@EMC.COM wrote:
    > On Sunday, January 26, 2003 1:25 PM
    > Brooke Clarke [mailto:brooke@PACIFIC.NET] said:
    > > I'm a person who for all his life has had a deep interest in things
    > > related to time and position.  Navigation is one of the areas that
    > > this shows up.  I have a web page for Navigation Orientation &
    > > Position at 
    > >...
    > Nice website, esp. the info and links on stadia and plane table mapping.
    > It's clear that traditional surveying and navigation have much in
    > common: trigonometry, interesting instruments, being steamrolled
    > by GPS.

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