Vodafone LTE 800 + EDGE 900 on a WindWorld W4200 wind turbine (2019-12-23)
LTE 800 went live at 2019-12-23. On 2019-12-21 it was definitly not yet on air.
StoB: https://emf3.bundesnetzagentur.de/karte/Default.aspx?lat=50.59409424068714&lon=9.247623682022097&zoom=17