Equipment > Satnav (GPS GLONASS COMPASS Galileo)

Satnav Jamming Notices

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Lyle Brotherton:

THE LAST THREAD IN THIS TOPIC WILL BE THE MOST RECENT UPDATE
For all of these exercises, SoL (Safety of Life) operations will take precedence at all times.

If you wish to comment please would you do so on the Satnav Jamming Discussion topic in Satnav (GPS GLONASS COMPASS Galileo) header.

Lyle Brotherton:
A military satnav jamming exercise is to take place at RAF Spadeadam in Cumbria.

The jammers will be located within 5km of N55 04.000, W002 34.000. (NY638742) and be active between 21st May to 1st June 2012 inclusive, between 0700 BST and 2000 GMT.

It is a land based multiple jammer exercise centred around 1575.42MHz, which is the L1 carrier that civilian satnavs employ.

The proposed wattage (10 Watts EIRP) is quite high so it may well extend beyond.

Lyle Brotherton:
A large military satnav jamming exercise is to take place in Wales at the Sennybridge Training area, which lies just outside the Brecon Beacon National Park to the north west of the county town of Brecon.

The jammers will be located within 5km of N52 00.881 W003 38.518 (SN873365) and be active between 1115, 18-22, and 25-29 June 2012 inclusive, between 0900 BST and 1800 BST.

Whilst multiple frequencies will be tested, the L1 carrier, the one civilian satnavs employ, will be affected.

Most of this area is restricted, as it is used for artillery and infantry training, however, the proposed wattage for the jamming is quite high so it may well extend beyond.

As always, carry alternative navigastional equipment if your are there, not just during these specified times, BUT at any time

Lyle Brotherton:
Again, at RAF Spadeadam in Cumbria, land based multiple jamming tests are going to be conducted within 5km of N55 04.000 W002 34.000 between 9th and 20th April 2012 inclusive (weekdays only) between 0700 - 1800 GMT on the civilan broadcast L1* this includes car and handheld satnavs.


* L1 is broadcast on (1575.42 MHz) that contains the course acquisition signal used by all current GPS users. Isuspect thatpart of these trials willalso be testing the jamming of a new broadcast called L1C, this uses the same frequency, as does L2, which will be available sometime in 2014 that enables greater civil interoperability with Galileo & GLONASS.

Lyle Brotherton:
A military satnav jamming exercise is to take place at Salisbury Plain in Wiltshire.

The jammers will be located within 5km of SU 01690 45312 and be active between 7th May to 11th May inclusive, between 0700 BST and 2000 GMT.

It is a land based multiple jammer exercise centred around 1575.42MHz, which is the L1 carrier that civilian satnavs employ.

The proposed wattage (10 Watts EIRP) is quite high so it may well extend to the villages of Chitterne, Tilshead, Shrewton and beyond.

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