25e1357b-4628-4631-b403-69dcf1639fac2026-05-18T12:00:00.000Z2026-05-18T20:00:00.000ZBASELINE10982L28272026N2026-05-11T14:54:00.000ZEGTTQGWXXIVNBOAE0009995129N00009W12EGLW202605181200202605182000GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING. JAMMERS LOCATED WI 1NM RADIUS PSN 512913N 0000927W (CHELSEA, LONDON). ACTIVITY MAY AFFECT ACFT WI 10NM SFC TO 34600FT 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. SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR INFO / CEASE JAMMING 07770 444022 / 07880 503583 AR-2026-3802/01.OTHER:ICAOL2827/26 NOTAMN Q) EGTT/QGWXX/IV/NBO/AE/000/999/5129N00009W012 A) EGLW B) 2605181200 C) 2605182000 E) GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING. JAMMERS LOCATED WI 1NM RADIUS PSN 512913N 0000927W (CHELSEA, LONDON). ACTIVITY MAY AFFECT ACFT WI 10NM SFC TO 34600FT 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. SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR INFO / CEASE JAMMING 07770 444022 / 07880 503583 AR-2026-3802/01.INTLEGGNYNYXLONDON HELIPORTEUECYIYNEGTT/QGWXX/IV/NBO/AE/000/999/5129N00009W0122026-05-11T14:54:00.000ZEGLWff22ddc5-d86d-4d0e-81aa-210127fffa432026-05-11T14:54:00.000ZSNAPSHOTEGLWLONDON HELIPORTEGLW51.483333 -0.150000