The Society for Geoinformatics, GeoIT and Navigation e.V. is legal body with different kinds of memberships:
Annual membership fees:
Student (1 vote): 10 EUR
Individual (1 vote): 35 EUR
Institution (2 votes): 350 EUR
Large institution (3 votes): 525 EUR
You can join us by sending a short email to info@geoit.org, in which you outline your background in our areas of interest and your motivation to join.