The Radio Neutrino Observatory Greenland (RNO-G) is a radio detector for neutrinos with energies above 10 PeV. It is currently under construction at Summit Station, Greenland, with 7 out of 35 stations deployed so far. By measuring the radio pulses that are emitted when ultra-high energy neutrinos interact in ice, each station can detect neutrinos over distances of several kilometer and functions as an independent detector. A station consists of a total of 24 antennas, which are divided into a shallow component of 9 logarithmic-periodic dipole antennas near the surface, and a deep component of dipole and slot antennas inside boreholes down to 100m depth.
We present an overview of the calibration efforts for RNO-G and show first results of ice property studies, which are crucial for the RNO-G station calibration.