DOI: 10.5281/zenodo.4037384
title: Modelling multi-frequency GPS multipath fading in land vehicle environments

description: Experimental measurements with multi-frequency GPS multipath channes inside urban, rural, and forest areas. Measurements performed at São José dos Campos, São Paulo, Brazil, 23°10´45´´S, 45º53´14´´´W If you use this dataset please cite the article: Lima Filho and Moraes, Modeling multi-frequency GPS multipath fading in land vehicle environments, from GPS Solution.
description: Format of the ISMR file: Note: "Sig1" means L1CA for GPS/GLONASS/SBAS/QZSS, L1BC for GALILEO or B1 for COMPASS. "Sig2" means L2C for GPS/GLONASS/QZSS, E5a for GALILEO or B2 for COMPASS. "Sig3" means L5 for GPS/QZSS or E5b for GALILEO. Col 1: WN, GPS Week Number Col 2: TOW, GPS Time of Week (seconds) Col 3: SVID Col 4: Value of the RxState field of the ReceiverStatus SBF block Col 5: Azimuth (degrees) Col 6: Elevation (degrees) Col 7: Average Sig1 C/N0 over the last minute (dB-Hz) Col 8: Total S4 on Sig1 (dimensionless) Col 9: Correction to total S4 on Sig1 (thermal noise component only) (dimensionless) Col 10: Phi01 on Sig1, 1-second phase sigma (radians) Col 11: Phi03 on Sig1, 3-second phase sigma (radians) Col 12: Phi10 on Sig1, 10-second phase sigma (radians) Col 13: Phi30 on Sig1, 30-second phase sigma (radians) Col 14: Phi60 on Sig1, 60-second phase sigma (radians) Col 15: AvgCCD on Sig1, average of code/carrier divergence (meters) Col 16: SigmaCCD on Sig1, standard deviation of code/carrier divergence (meters) Col 17: TEC at TOW - 45 seconds (TECU) Col 18: dTEC from TOW - 60s to TOW - 45s (TECU) Col 19: TEC at TOW - 30 seconds (TECU) Col 20: dTEC from TOW - 45s to TOW - 30s (TECU) Col 21: TEC at TOW - 15 seconds (TECU) Col 22: dTEC from TOW - 30s to TOW - 15s (TECU) Col 23: TEC at TOW (TECU) Col 24: dTEC from TOW - 15s to TOW (TECU) Col 25: Sig1 lock time (seconds) Col 26: sbf2ismr version number Col 27: Lock time on the second frequency used for the TEC computation (seconds) Col 28: Averaged C/N0 of second frequency used for the TEC computation (dB-Hz) Col 29: SI Index on Sig1: (10*log10(Pmax)-10*log10(Pmin))/(10*log10(Pmax)+10*log10(Pmin)) (dimensionless) Col 30: SI Index on Sig1, numerator only: 10*log10(Pmax)-10*log10(Pmin) (dB) Col 31: p on Sig1, spectral slope of detrended phase in the 0.1 to 25Hz range (dimensionless) Col 32: Average Sig2 C/N0 over the last minute (dB-Hz) Col 33: Total S4 on Sig2 (dimensionless) Col 34: Correction to total S4 on Sig2 (thermal noise component only) (dimensionless) Col 35: Phi01 on Sig2, 1-second phase sigma (radians) Col 36: Phi03 on Sig2, 3-second phase sigma (radians) Col 37: Phi10 on Sig2, 10-second phase sigma (radians) Col 38: Phi30 on Sig2, 30-second phase sigma (radians) Col 39: Phi60 on Sig2, 60-second phase sigma (radians) Col 40: AvgCCD on Sig2, average of code/carrier divergence (meters) Col 41: SigmaCCD on Sig2, standard deviation of code/carrier divergence (meters) Col 42: Sig2 lock time (seconds) Col 43: SI Index on Sig2 (dimensionless) Col 44: SI Index on Sig2, numerator only (dB) Col 45: p on Sig2, phase spectral slope in the 0.1 to 25Hz range (dimensionless) Col 46: Average Sig3 C/N0 over the last minute (dB-Hz) Col 47: Total S4 on Sig3 (dimensionless) Col 48: Correction to total S4 on Sig3 (thermal noise component only) (dimensionless) Col 49: Phi01 on Sig3, 1-second phase sigma (radians) Col 50: Phi03 on Sig3, 3-second phase sigma (radians) Col 51: Phi10 on Sig3, 10-second phase sigma (radians) Col 52: Phi30 on Sig3, 30-second phase sigma (radians) Col 53: Phi60 on Sig3, 60-second phase sigma (radians) Col 54: AvgCCD on Sig3, average of code/carrier divergence (meters) Col 55: SigmaCCD on Sig3, standard deviation of code/carrier divergence (meters) Col 56: Sig3 lock time (seconds) Col 57: SI Index on Sig3 (dimensionless) Col 58: SI Index on Sig3, numerator only (dB) Col 59: p on Sig3, phase spectral slope in the 0.1 to 25Hz range (dimensionless) Col 60: T on Sig1, phase power spectral density at 1 Hz (rad^2/Hz) Col 61: T on Sig2, phase power spectral density at 1 Hz (rad^2/Hz) Col 62: T on Sig3, phase power spectral density at 1 Hz (rad^2/Hz) %% Format of the raw ASCII file (option -r): Col 1: TOW, GPS Time of Week (seconds) Col 2: SVID Col 3: Signal type: 0=GPS_L1CA, 3=GPS_L2C, 4=GPS_L5, 8=GLO_L1CA, 11=GLO_L2CA, 17=GAL_L1BC, 20=GAL_E5a, 21=GAL_E5b, 22=GAL_AltBOC, 24=GEO_L1CA, 6=QZS_L1CA, 7=QZS_L2C, 26=QZS_L5, 28=CMP_B1, 29=CMP_B2 Col 4: Carrier phase (cycles) Col 5: I correlation (dimensionless) Col 6: Q correlation (dimensionless)