adc8a408-1fde-429a-a9e3-ed2668c57a2d2026-08-17T08:00:00.000Z2026-08-28T16:00:00.000ZBASELINE10982B12692026N2026-07-28T12:10:00.000ZEGTTQGWXXIVBO E 0009994953N00545W34EGTT2026081708002026082816000800-1600GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING (L1, L2, L5 AND COMMON ISM FREQUENCIES). JAMMING LOCATED WI AREA BOUNDED BY 500711N 0050525W - 500521N 0045820W - 493321N 0053256W - 492438N 0060723W - 493957N 0063122W - 500352N 0054225W - 500711N 0050525W (PREDANNACK AD). ACTIVITY MAY AFFECT ACFT SFC-40,000FT AMSL OR ABOVE (ALL DIRECTIONS). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL. MULTIPLE DAILY TESTS NOT TO EXCEED 5 MINUTE DURATION EACH. GNSS (GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT POSITION INFO. SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR INFO / CEASE JAMMING 07792 170394 / 07541 606962. FOR MORE INFO SEE AIC P046/2023. AR-2026-4814/01.OTHER:ICAOB1269/26 NOTAMN Q) EGTT/QGWXX/IV/BO /E /000/999/4953N00545W034 A) EGTT B) 2608170800 C) 2608281600 D) 0800-1600 E) GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING (L1, L2, L5 AND COMMON ISM FREQUENCIES). JAMMING LOCATED WI AREA BOUNDED BY 500711N 0050525W - 500521N 0045820W - 493321N 0053256W - 492438N 0060723W - 493957N 0063122W - 500352N 0054225W - 500711N 0050525W (PREDANNACK AD). ACTIVITY MAY AFFECT ACFT SFC-40,000FT AMSL OR ABOVE (ALL DIRECTIONS). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL. MULTIPLE DAILY TESTS NOT TO EXCEED 5 MINUTE DURATION EACH. GNSS (GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT POSITION INFO. SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR INFO / CEASE JAMMING 07792 170394 / 07541 606962. FOR MORE INFO SEE AIC P046/2023. AR-2026-4814/01.INTLEGGNYNYXLONDON ATCCEUECYIYNEGTT/QGWXX/IV/BO /E /000/999/4953N00545W0342026-07-28T12:11:00.000ZEGTT76a1d185-560d-4de5-b45f-b66ec7bd11ac2026-07-28T12:10:00.000ZSNAPSHOTEGTTLONDON ATCCEGTT49.883333 -5.750000