A similar mast, but 5 m high is used in Kevo . The last two stations have higher masts. The data is collected in 24 hour sessions. Observing interval is 30 s and cut off angle is set to 5 degrees. In addition the the temperature, air pressure and humidity is stored every 30 s.
Permanent stations have the antennas of the same type.
On the right is the mast of Tuorla station with choke ring antenna and Vaisala meteorological station. Every morning the data of the FinnRef stations is collected to the FGI using modem connection. Data flow of FinnRef stations. The data is processed using Bernese software using IGS precise orbits. Daily normal equations are saved and later combined to weekly results.