GPS Jamming

[Jumpy07]

I get these as I subscribe as a boat owner.. but as we all use GPS';s on our Quads .. thought it might be useful to get a heads up.. most are out at sea.. but some are land based.

NOTIFICATION OF GPS JAMMING EXERCISES STANFORD TRAINING AREA, EAST ANGLIA, FEBRUARY 2013



Dates: Between 11 and 15 February 2013.

Times: 0900 -1600 GMT.

Location of MULTIPLE jammers: Land based within 5km of N52° 29.0' E000° 45.0'.

Frequency: A 24 MHz band centred around 1575.42MHz (GPS L1).

Total Power: Up to 10 Watts EIRP.

It is stressed that, as in previous exercises, Safety of Life operations will at all times take precedence over exercise activities.



Ofcom stakeholders should contact InfoGPS.Notices@ofcom.org.uk 





NOTIFICATION OF GPS JAMMING EXERCISES OFF THE COAST OF EAST ANGLIA, FEBRUARY/MARCH 2013



Dates: 25 to 26 February and 28 February to 1 March 2013.

Times: Intermittently for a 90 minute period in each time slot 0930-1200 GMT and 1400-1630 GMT. 

Location of jammers: Sea based omni-directional jammer onboard a vessel sailing within the Experimental Buoys area, as charted, but no further North than 51°55'N in the area bound by following boundary positions (WGS84): 

•         51.916667°N 1.453745°E  (51° 55.0'N  1°27.2'E)

•         51.883980°N 1.445504°E  (51° 53.0'N  1°26.7'E)

•         51.883607°N 1.397795°E  (51° 53.0'N  1°23.9'E)

•         51.916667°N 1.421994°E  (51° 55.0'N  1°25.3'E)

Frequency: 24 MHz bands centred around 1575.42MHz.

Total Power: 0.0005 Watts ERP maximum so as not to effect vessels outside the area bounded by the co-ordinates above or aircraft flying above 2500ft.

It is stressed that, as in previous exercises, Safety of Life operations will at all times take precedence over exercise activities.



Ofcom stakeholders should contact InfoGPS.Notices@ofcom.org.uk 





NOTIFICATION OF GPS JAMMING EXERCISES RAF SCULTHORPE AIRFIELD, EAST ANGLIA,  MARCH 2013



Dates:   25th and 29th March 2013.

Times: 0700 -1700 BST.

Location of SINGLE jammer: Land based within 2km of 52° 50′ 54″ N, 0° 45′ 38″ E

Frequency: A 20 MHz band centred around 1575.42MHz (GPS L1).

Power: Up to 0.3 Watts EIRP (300mW).

Jammers: Omni-directional jammers radiating CW.

It is stressed that, Safety of Life operations will at all times take precedence over exercise activities.



Ofcom stakeholders should contact InfoGPS.Notices@ofcom.org.uk



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[Gaza07]

why do they do all this testing