Remarkable state of affairs. Noted that the estimated times on the boards do not reflect this information.
Also on the NOTAM
A2755/18 NOTAMN Q) EGTT/QFAXX/IV/NBO/A /000/999/5152N00022W005 A) EGGW B) 1808221454 C) PERM E) LOCAL TRAFFIC REGULATIONS. SECTION 4 WARNINGS, ADD ADDITIONAL WARNING. UNMANNED AERIAL VEHICLE (UAV) OPERATIONS TAKE PLACE WITHIN THE AERODROME BOUNDARY, DETAILS OF OPERATING TIMES AND EXACT LOCATION WILL BE PASSED BY ATC. AIP EGGW AD2.20 REFERS
So what is that all about?