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
    or...
       
    Reply
    Fallible GPS receivers
    From: Philip Lange
    Date: 2014 May 21, 07:27 -0400

    The US Air Force (USAF) issued a notice stating that recently a number of GPS 
    users have reported outages. Investigation reveals that all GPS satellites 
    are operating properly, but that certain GPS receivers are erroneously 
    ignoring the satellite health status information being broadcast. Satellite 
    Vehicle Number (SVN) 64 broadcasts a data message indicating that SVN 64 is 
    unusable for navigation. Certain receivers are using the information 
    regardless, resulting in outages or corrupted, incorrect position 
    calculations. Users experiencing GPS outages should contact their equipment 
    manufacturers for software/firmware updates. (5/15/14).
    
    http://gpsworld.com/cgsic-issues-notice-on-problem-with-certain-gps-devices/
    
    --
    Philip Lange
    
    
    
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

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

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

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

    Email Settings

    Posting 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