Test on Geoazur lab Building 4. Level N+1 balconny. NB: Huge mask on SW. TEST Receiver: Ublox ZED-F9P (Ardusimple simpleRTK2B board) TEST Antenna: Trimble Zéphyr geodetic model 2 TRM57971.00 SEPT Receiver: Septentrio Mosaic X5 (Ardusimple AS-OPENHW-MOSAICHAT-X5-00) SEPT Antenna: Trimble Zéphyr geodetic model 2 TRM57971.00 Contact renagdc@oca.eu for more informations.