GNSS-Acoustic observation data off Hokkaido during 2019–2024

--- GNSS-A_Hokkaido_2019-2024.tar.gz ---GNSS-Acoustic datasets collected at G21, G22, and G23, off Hokkaido, during 2019-2024. The site coordinates are listed in "./array_center.txt". Each GNSS-A site is compoased of four seafloor transponders, and thier positions are listed in "./site_name/pxp-ini.inp"Each line of "pxp-ini.inp" show the EW, NS, and UD positions in meter.EW and NS positions are projected from the site coordinate. The data files for each campaign are stored at an individual directory: "./site_name/campaign_name".Each campaign has three data files: "obsdata.inp", "ss_prof.inp", and "tr-ant.inp".The data format of these files is following the GNSS-A positioning software, SeaGap.https://f-tommy.github.io/SeaGapDocs/dataformat/ "obsdata.inp": GNSS-A observational file- 1: Seafloor transponder number (corresponding to the line number of "pxp-ini.inp")- 2: Two-way travel time [sec]- 3: Transmitted time [sec] (cumulative seconds from 2000-01-01 00:00:00)- 4-6: Sea-surface platform positions (EW, NS, UD) when transmitting [m]- 7-9: Sea-surface platform attitude (heading, pitch, roll) when transmitting [deg]- 10: Recieved time [sec] (cumulative seconds from 2000-01-01 00:00:00)- 11-13: Sea-surface platform positions (EW, NS, UD) when recieving [m]- 14-16: Sea-surface platform attitude (heading, pitch, roll) when recieving [deg]- 17: Flag for the kinematic positioning- 18: Identifying number of the sea surface platforms (corresponding to the line number of "tr-ant.inp") "ss_prof.inp": XCTD measurement results with deeper (>~2000 m) extrapolation using WOA2018- 1: water depth [m]- 2: sound speed [m/sec] "tr-ant.inp": relative position between a GNSS antenna and a sea surface transponder- 1: X-position [m]- 2: Y-position [m]- 3: Z-position [m] --- Supplementary_Table1-3.xlsx ---This file contains three sheets corresponding to Supplementary Table 1–3 in the original papar.Table S1: GNSS-A observation periodThe GNSS-A observation campaigns off Nemuro are listed. During campaigns 3, 4, 6, and 7, the research vessel and wave glider were employed simultaneously.Table S2: Array displacements at GNSS-A sitesThe estimated array displacements for each campaign at G21, G22, and G23 are listed. Zero displacement indicates the average position among the campaigns, and the temporal evolution of the displacements is provided in IGS14, realizing ITRF2014. The error in this table is defined as the 1σ standard deviation of the Markov chain Monte Carlo samples.Table S3: Horizontal array displacement rates of GNSS-A sitesThe displacement rates at G21, G22, and G23 relative to the onshore reference site (950101), with rates of 0.861 (EW) and −0.718 (NS) cm/yr in IGb14 realizing ITRF2014, are listed.