what are these Levels being assigned. I just joined the Geonet
Your "Level" is based on the points you gained:
For more information see the contest page: GeoNet Contest and click on this image to the right on how to earn points.
They are mainly to award you and to encourage you to contribute in the geonet community, but there are semi-annual prizes for further incentive as Xander mentioned above.
Retrieving data ...