[Talk-GB] Anyone else had GPS problems today?

Derry Hamilton rasilon.x at gmail.com
Thu Apr 12 19:54:42 BST 2012


So far as public announcements go, it appears that the only jamming
supposed to be going on today is in Cumbria:


--- Quoted-----
NOTIFICATION OF GPS JAMMING EXERCISES
RAF SPADEADAM, CUMBRIA, 9TH APRIL 2012
Dates: Between 9th and 20th April  2012 inclusive (weekdays only).
Times:  0700 - 1800 GMT.
Location of MULTIPLE jammers: Land based within 5km of N55° 04.000’
W002° 34.000’.
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 at ofcom.org.uk

******************************************************************************************************************
For more information visit www.ofcom.org.uk

--- End Quoted ---------

On 12 April 2012 19:32, Andy Mabbett <andy at pigsonthewing.org.uk> wrote:
> Could be that the miltary are conducting some war games.
>
> From a previous event:
>
>   http://www.dailyrecord.co.uk/news/scottish-news/2012/04/12/war-games-planes-in-near-miss-over-scotland-following-mix-up-in-communications-86908-23821821/
>
> note final para.
>
> On 11 April 2012 22:13, Nick Whitelegg <Nick.Whitelegg at solent.ac.uk> wrote:
>> Had some quite extraordinary problems trying to get a GPS signal this
>> afternoon in the Fisherstreet area, on the Surrey/W Sussex border a few
>> miles SE of Haslemere.
>> Between around 1300 and 1400 BST I could get no signal whatsoever. I lost
>> the signal in a wooded area around 1255 BST and then could not get it back
>> at all, despite being in an open area with most of the sky visible, only the
>> sky low in the west was hidden behind a nearby hill (Blackdown). Turning the
>> device off and on again a couple of times had no effect.
>>
>> Around 1400 I finally got the signal again, ironically when entering a wood,
>> and so retraced my steps. Signal went again. Finally worked around 30 mins
>> later, though GPS reception was rather wobbly all afternoon.
>>
>> Anyone else get any problems today? Maybe the satellites were in an unusual
>> configuration so none were particularly high up for a few hours?
>> The weather was slightly notable with a good number of thunderstorm-type
>> shower clouds dotted around (though no thunder heard) and ironically, later
>> on around 1830BST when one of these was actually overhead (and depositing
>> rain) - and, I was in a wooded area with not much sky visible - I got a good
>> signal!
>>
>> Nick
>>
>> _______________________________________________
>> Talk-GB mailing list
>> Talk-GB at openstreetmap.org
>> http://lists.openstreetmap.org/listinfo/talk-gb
>>
>
>
>
> --
> Andy Mabbett
> @pigsonthewing
> http://pigsonthewing.org.uk
>
> _______________________________________________
> Talk-GB mailing list
> Talk-GB at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/talk-gb



More information about the Talk-GB mailing list