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    GPS outages
    From: Gary LaPook
    Date: 2016 Mar 8, 01:26 -0800

    We have discussed the risk of relying on only GPS with no backup and here is an example. These are NOTAMS issued to pilots today, hope you are not planning to use gps in the these areas. What's next?

    gl

    ==================================================================

    Navigation NOTAMs
    Los Angeles Center (Palmdale CA) [ZLA]: March NOTAM #20 issued by Gps Notam OA [GPS]
    Navigation (WSMR GPS 16 - 06) GPS (INCLUDING WAAS, GBAS, and ADS - B) May not BE AVAILABLE WITHIN A 469NM RADIUS CENTERED at 324029N1060700W(ELP 359052) FL400 - unlimited decreasing in area with A DECREASE in altitude DEFINED as: 431NM RADIUS at FL250, 360NM RADIUS at 10000FT, 361NM RADIUS at 4000FT above ground level, 306NM RADIUS at 50FT above ground level. daily 0730 - 1330 March 07th, 2016 at 11:30 PM PST (1603080730) - March 12th, 2016 at 05:30 AM PST (1603121330)
    Los Angeles Center (Palmdale CA) [ZLA]: March NOTAM #33 issued by Gps Notam OA [GPS]
    Navigation (NAFB GPS 16 - 02) GPS (INCLUDING WAAS, GBAS, and ADS - B) May not BE AVAILABLE WITHIN A 223NM RADIUS CENTERED at 361304N150307W(LAS 019010) FL400 - unlimited decreasing in area with A DECREASE in altitude DEFINED as: altitude DEFINED as: 176 nautical miles RADIUS at FL250, 110 nautical miles RADIUS at 1000FT, 108 nautical miles RADIUS at 4000 ft. above ground level, 104 nautical miles RADIUS at 5O ft. above ground level. daily 0530 - 0700 March 09th, 2016 at 09:30 PM PST (1603100530) - March 10th, 2016 at 11:00 PM PST (1603110700)
    Los Angeles Center (Palmdale CA) [ZLA]: March NOTAM #13 issued by Gps Notam OA [GPS]
    Navigation (WSMR GPS 16 - 05A) GPS (INCLUDING WAAS, GBAS, and ADS - B) May not BE AVAILABLE WITHIN A 339NM RADIUS CENTERED at 332812N1062535W(TCS 065044) FL400 - unlimited decreasing in area with A DECREASE in altitude DEFINED as: 307NM RADIUS at FL250, 173NM RADIUS at 10000FT, 197NM RADIUS at 4000FT above ground level, 148NM RADIUS at 50FT above ground level. daily 0300 - 0730 March 07th, 2016 at 07:00 PM PST (1603080300) - March 08th, 2016 at 11:30 PM PST (1603090730)
    Los Angeles Center (Palmdale CA) [ZLA]: March NOTAM #43 issued by Gps Notam OA [GPS]
    Navigation (NTTR GPS 16 - 02) GPS (INCLUDING WAAS, GBAS, and ADS - B) May not BE AVAILABLE WITHIN A 409NM RADIUS CENTERED at 371934N 1154249W(59 nautical miles on the 043° radial of Beatty [BTY VOR]) FL400 - unlimited decreasing in area with A DECREASE in altitude DEFINED as: 360 nautical miles RADIUS at FL250, 305 nautical miles RADIUS at 1000FT, 267 nautical miles RADIUS at 4000FT above ground level, 216 nautical miles RADIUS at 50FT above ground level. daily 0530 - 0700 March 08th, 2016 at 09:30 PM PST (1603090530) - March 10th, 2016 at 11:00 PM PST (1603110700)
    Los Angeles Center (Palmdale CA) [ZLA]: March NOTAM #41 issued by Gps Notam OA [GPS]
    Navigation GPS (WSMR GPS 16 - 05A) GPS (INCLUDING WAAS, GBAS, and ADS - B) May not BE AVAILABLE WITHIN A 339NM RADIUS CENTERED at332812N1062535W (TCS 065044) FL400 - unlimited decreasing in area with A DECREASE in altitude DEFINED as: 307NM RADIUS at FL250, 173NMRADIUS at 10000FT, 197NM RADIUS at 4000FT above ground level, 148NM RADIUS at 50FT above ground level. daily 0530 - 0730 March 09th, 2016 at 09:30 PM PST (1603100530) - March 11th, 2016 at 11:30 PM PST (1603120730)
       
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