On Sunday 24th March 2024 at 12:40 UTC, Markus HB9DIZ, a radio amateur from Switzerland made contact with Tom HB9EVF/P, a radio amateur from Switzerland who was operating from the summit of Geissberg which is in the Aargauer Tafeljura Natural Monuments area (AG) (HBFF-0431). While at the summit Tom made 51 contacts in total for the Summits on the Air (“SOTA”) group.
Aargauer Tafeljura Natural Monuments (AG) (HBFF-0431), is a protected area of 6,781.45 hectares lying to the east of Basel, Switzerland. It has reference number 1108 on the Federal Inventory of Landscapes and Natural Monuments maintained by the Federal Office for the Environment.