If crews have the presence of mind they can store the coordinates of the "surprise" mast in the aircraft nav kit with a simple button press, and pass those coordinates onto 1 AIDU
No 1 AIDU, in my experience, aren't very interested - having sought advice from them on how to publicize new threats such as these masts, none of the information we provided ever made it onto one of their maps (partly, perhaps, because some of the masts may be below the OPV for the maps). Instead, we resorted to making a map of our local area with unplotted hazards on it and sticking it up in the bogs etc, and every time a visiting aircraft booked in, we'd send them a copy of our map so they got at least some of the extra local information which we happened to know.