Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: GPS outage in southeast US?
    From: Richard B. Langley
    Date: 2011 Jan 21, 14:27 -0400

    Such tests are usually localized jamming tests.
    -- Richard Langley
    
    Quoting Lu Abel :
    
    > https://www.faasafety.gov/files/notices/2011/Jan/GPS_Flight_Advisory_CSFTL11-01_Rel.pdf
    >
    >
    > Does anyone know any more detail about this?  Eg, what sort of
    > testing (ground
    > based interference, satellite outages, ??)?
    >
    > One peculiar thing I noticed is that the affected area increases in size with
    > altitude.
    >
    >
    >
    >
    
    
    
    ===============================================================================
      Richard B. Langley                            E-mail: lang@unb.ca
      Geodetic Research Laboratory                  Web: http://www.unb.ca/GGE/
      Dept. of Geodesy and Geomatics Engineering    Phone:    +1 506 453-5142
      University of New Brunswick                   Fax:      +1 506 453-4943
      Fredericton, N.B., Canada  E3B 5A3
          Fredericton?  Where's that?  See: http://www.city.fredericton.nb.ca/
    ===============================================================================
    
    
    
    
    
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site