This Geodesy/ggos/GGOS web page is maintained by Hans-Peter Plag as a private blog. Information on this web site does not necessarily engage the responsibility of Hans-Peter Plag. Our goal is to keep this information timely and accurate. If errors are brought to our attention, we will try to correct them. However, Hans-Peter Plag accepts no responsibility or liability whatsoever with regard to the material on this site. This material is not necessarily comprehensive, complete, accurate or up to date. It is sometimes linked to external sites over which Hans-Peter Plag has no control and for which Hans-Peter Plag assumes no responsibility. It should not be considered as professional or legal advice (if you need specific advice, you should always consult a suitably qualified professional). It is our goal to minimize disruption caused by technical errors. However some data or information on our site may have been created or structured in files or formats which are not error-free, and we cannot guarantee that our service will not be interrupted or otherwise affected by such problems. Hans-Peter Plag accepts no responsibility with regard to such problems incurred as a result of using this site or any linked external sites. This disclaimer is not intended to contravene any requirements laid down in applicable national law nor to exclude liability for matters which may not be excluded under that law.