We observed the so called network effect affecting our reference frame alignment. The results showed that different subnets were consistent with the combined solution within 1-2 mm level. We described the methods of the NKG GNSS Analysis Centre including the defined processing setup for the local analysis centres (LAC) and for the combination centres.We analysed the results of the first 2.5 years (2014.5-2016). A consistent and densified velocity field is needed for the constraining of the gla-cial isostatic adjustment (GIA) modelling that is a key component of maintaining the national reference frame realisations in the area. The Nordic Geodetic Commission (NKG) has launched a joint NKG GNSS Analysis Centre that aims to routinely produce high qualityGNSS solutions for the common needs of the NKG and the Nordic and Baltic countries. Lahtinen, Sonja Pasi, Häkli Jivall, Lotti Kempe, Christina Kollo, Karin Kosenko, Ksenija Pihlak, Priit Prizginiene, Dalia Tangen, Oddvar Weber, Mette Paršeliūnas, Eimuntas Baniulis, Rimvydas Galinauskas, Karolis First results of the Nordic and Baltic GNSS Analysis Centre
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