86debb7f-03c1-47db-a3fc-043361b04b192026-06-10T07:00:00.000Z2026-06-10T15:00:00.000ZBASELINE10982B08902026N2026-05-29T08:27:00.000ZEGTTQGWXXIVNBOE 0009995156N00116W8EGTT202606100700202606101500GNSS (GPS) SIGNAL JAMMING. JAMMERS LOCATED WI 1NM RADIUS PSN 515627N 0011557W (UPPER HEYFORD). ACTIVITY MAY AFFECT ACFT WI 6NM SFC TO 31700FT AMSL OR ABOVE (ALL DIRECTIONS). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL. GNSS (GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT POSITION INFO. FOR INFO / CEASE JAMMING 07813 042239 / 07974 125870. AR-2026-4292/01.OTHER:ICAOB0890/26 NOTAMN Q) EGTT/QGWXX/IV/NBO/E /000/999/5156N00116W008 A) EGTT B) 2606100700 C) 2606101500 E) GNSS (GPS) SIGNAL JAMMING. JAMMERS LOCATED WI 1NM RADIUS PSN 515627N 0011557W (UPPER HEYFORD). ACTIVITY MAY AFFECT ACFT WI 6NM SFC TO 31700FT AMSL OR ABOVE (ALL DIRECTIONS). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL. GNSS (GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT POSITION INFO. FOR INFO / CEASE JAMMING 07813 042239 / 07974 125870. AR-2026-4292/01.INTLEGGNYNYXLONDON ATCCEUECYIYNEGTT/QGWXX/IV/NBO/E /000/999/5156N00116W0082026-05-29T08:29:00.000ZEGTTe96d0e92-9d09-475f-b064-58ede502f8772026-05-29T08:27:00.000ZSNAPSHOTEGTTLONDON ATCCEGTT51.933333 -1.266667