10.1594/PANGAEA.994104Zakrajsek, Andrés FAndrés FZakrajsekKrocker, RalfRalfKrockerAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, BremerhavenPANGAEA2026GalileoGlonassGNSSGPSSan MartínSMR5DATE/TIMEBinary ObjectObservationTrimble-NetR9 GPS Receiver, SN 5226K503572025-01-01T00:00:00/2025-12-31T23:59:59Dataset10.1594/PANGAEA.770301365 data pointstext/tab-separated-valuesCreative Commons Attribution 4.0 InternationalData access is restricted (moratorium, sensitive data, license constraints)SMR5 GNSS long-term raw-data series is aimed at contributing to the scientific research of Earth-System-involved global- as well as Antarctic-regional processes, improving International Terrestrial Reference Frame (ITRF) redefinitions, and benefiting society through enhanced GNSS-derived applications and services. The dataset was gathered at the Argentinean (Antarctic) research station San Martín in the year 2025. Approximate position in ITRF2014 frame at epoch 2025.5: X=927077.29m, Y=-2195043.62m, Z=-5896521.11m or in (GRS80) ellipsoidal coordinates: lat=68°07'46.850S, lon=067°06'11.597W, h=26.8m, orthometric height above EGM2008 geoid amounts 17.4m. GNSS receiver: TRIMBLE NetR9 (SN: 5226K50357), GNSS antenna: Zephyr Geodetic 2 w/Dome, PN: 57971-00 (SN: 30976593), Sampling interval: 1 second. Each file covers a time period of one day. Original binary files are of TRIMBLE proprietary format T02. The files of one day have been combined applying UNIX tool tar.-67.10324-68.12965San Martin, Antarctica