SoCal App, thanks for the strange and ominous PM, life is all about making assumptions, but to indicate you really don't know much about the MOD despite your protest:
GPS Jammer Details
3.1 Omni and directional Jammer transmissions centred around 1176.45 MHz (L5), 12270.60 MHz (L2) & 1575.42 MHz (L1) will be
activated to potentially affect receivers tracking GPS signals.
3.2 Two graphic charts supplement this notification and represent the predicted coverage areas from high power and low power jammers
from which a GPS receiver is likely to encounter interference or blocking.
3.3 No allowance is made for airframe masking or the reduction of antenna gain towards the horizon seen in all receiver systems.
Therefore the worse case for receiver vulnerability is considered.
3.4 Low Power (max 10watt EIRP) Jammer coverage
10 ft agl - Areas with clear line of sight of the transmitter;
Up to 30000 ft - 75 nm radius from the transmitter sight.
3.5 High Power (100 watt EIRP) Jammer coverage
10 ft agl - Areas with clear line of sight of the transmitter;
10000 ft -120 nm from the transmitter pointing 220° True within an 80° Beam, less than 27 nm in other directions;
30000 ft - 180 nm from the transmitter centred on 220° True within a 40° beam, 108 nm within an 80° beam, less than 13 nm in other
directions.
If you had actually read the AIC quoted in this thread you would have realised that 'jamming' is not at all misleading. It is exactly what the MOD are going to do, they are going to transmit jamming signals
