# GPS Signal Jamming and UK Drone Flights in 2026

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GPS Signal Jamming is now part of UK drone work. Here is how I plan around it. Earlier this summer the Civil Aviation Authority put out guidance to airspace users about a sharp rise in radio frequency jamming over the UK. Not rogue jamming. Official jamming, run by the military and by law enforcement, and the reason for it is drones. As unmanned aircraft have spread, so has the equipment designed to stop them, and that equipment does not politely limit itself to the drone it is aimed at. It's legitimate and over August and September 2026, it;s been happening right here where I operate a Norwich Drone Business. For anyone booking aerial work, this is the sort of thing that never appears in a quote and occasionally decides whether a job flies. S So it is worth explaining in plain terms. What is GPS Signal jamming actually does GPS Signal Jamming floods a frequency band with noise so receivers in the area cannot hear the real signal. The bands that matter most to a drone are the satellite navigation ones, covering GPS, GLONASS and Galileo. Because there are only a handful of those frequencies, a single jamming event can take out most receivers within a wide radius. The radius is larger than most people expect. The CAA's own guidance points to large scale military trials historically affecting GPS receivers as far as 100 nautical miles from the source, and at altitudes up to 40,000 feet. This is not a fence around a training area. Jamming also hits the licence exempt ISM bands, which is where consumer Wi-Fi, Bluetooth and a lot of drone video downlink traffic lives. Those bands run on a no interference, no protection basis, so there is no recourse when they go down. For a remote pilot, the practical effects stack up quickly. The aircraft may not hold position. It may not respond correctly to commands. The video feed can break up or disappear. And the two automated features most people quietly rely on, return to home and geofencing, can be inhibited altogether. An aircraft that cannot work out where it is cannot fly itself back to a point on a map. Where it happens Planned jamming is notified through , and the CAA grades the predicted impact areas in three tiers: green where interference is unlikely, amber where it is possible, red where it is probable. Major scheduled activity includes exercises at RAF Spadeadam and jamming and spoofing trials at Sennybridge in Wales. The part that surprises people is that it has moved beyond big military exercises. Lower power jamming equipment is now deployed routinely to protect major public events and mass gatherings, and in unplanned responses to specific threats. If you are running a large public event and you have an aerial crew on the schedule, that is worth knowing about in advance rather than on the day. East Anglia has its own version of this. A lot of Norfolk sits in or near military airspace, and I have a job in the diary at the moment where the site sits inside the Stanford danger area and, when I checked, also under a temporary satellite navigation jamming warning. That job is not cancelled. It is being scheduled for a day when the area is cold, with the client's help on permissions. What I do differently when GPS Signal Jamming is a live risk   The honest answer is that most of the work happens before anyone leaves the studio. Every flight starts with a NATS pre flight information bulletin search, and on recurring sites I run that search again on the morning of the flight rather than relying on the one I did when I wrote the risk assessment. Warnings appear and disappear at short notice, and a briefing from ten days ago is not a briefing. If a site falls in an amber or red area, the flight plan changes shape. Automated waypoint missions are the first thing to go, because a mission that depends on satellite position is the first thing to fail. The aircraft stays close, well inside visual line of sight, at a height and distance where I can fly it home by eye if the position hold drops out. The take off and landing zone gets tigh

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