[time-nuts] Lost GPS lock or 1PPS recently?

Scott McGrath scmcgrath at gmail.com
Thu Sep 6 11:34:32 EDT 2018


And there is the other significant vulnerability since GPS is a MILITARY system the DoD can take it offline for any reason at any time.  

 Leaving civilian users with nothing, 

  If its a national security threat its likely the other GNSS systems will be unavailable as well.





On Sep 6, 2018, at 9:53 AM, John Sloan <jsloan at diag.com> wrote:


Folks:

Well blow me down. It took some Google Maps fu on the web on my part, but
my time and place does indeed coincide with this “GPS Interference Testing” at
White Sands Missile Range. I just happened to be in my home office watching
several of my GPS-disciplined NTP servers when this occurred. Thanks, Graham!

:John

> ZDV   DENVER (ARTCC),CO. [Back to Top] !GPS 08/260 (KZDV A0287/18) ZDV NAV
> GPS (WSMR GPS 18-20) (INCLUDING WAAS, GBAS, AND ADS-B) MAY NOT BE AVBL WI A
> 359NM RADIUS CENTERED AT 333345N1063840W (TCS054036) FL400-UNL, 311NM
> RADIUS AT FL250, 215NM RADIUS AT 10000FT, 223NM RADIUS AT 4000FT AGL, 169NM
> RADIUS AT 50FT AGL DLY 1830-2230 1809031830-1809082230

--
J. L. Sloan            Digital Aggregates Corp.
+1 303 940 9064 (O)    3440 Youngfield St. #209
+1 303 489 5178 (M)    Wheat Ridge CO 80033 USA
jsloan at diag.com        http://www.diag.com <http://www.diag.com/>


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