used by Allied naval and air forces to monitor U-boat and aerial activity in the North Atlantic. A detailed history of radio at Malin Head, Marconi Wireless Radio Station: Malin Head from 1902 was published in 2014. To the north of Altnadarrow and just before Dúnalderagh, a ground marker reading '80 EIRE' can be seen in large letters that were formed from placing stones together to form the letters. This was to signify to overflying planes that they were crossing Irish territory and that Ireland was neutral. Ornithology Malin Head is an ideal vantage point from which to view the autumnal movements of seabirds such as gannets, shearwaters, skuas, auks and others, on their southward migration flights. Rarities have included Black-browed Albatross, Feas Petrel and many other rare seabirds have been recorded here. This is also a good vantage point for viewing Basking sharks and the resident pod of Bottle-nosed Dolphins. Gallery See also Malin to Mizen Wild Atlantic Way References External links Historic mapping of the area (Ordnance Survey Ireland{ Choose "Base history and mapping" then "Historic 25-inch mapping 1888-1913" and enter 55.3719929, -7.3392604 to see the site of the watch tower. Modern mapping of the tower site (OpenStreetMap) Location of weather station (OpenStreetMap) Meteorological stations Headlands of County Donegal