
LOS_IDX = {
"SOD":0,
"DOY":1,
"YEAR":2,
"PRN":3,
"ELEV":4,
"AZIM":5,
"TOF[ms]":6,
"MEAS[m]":7,
"SNR[db-Hz]":8,
"SAT-X[m]":9,
"SAT-Y[m]":10,
"SAT-Z[m]":11,
"VEL-X[m/s]":12,
"VEL-Y[m/s]":13,
"VEL-Z[m/s]":14,
"RANGE[m]":15,
"SV-CLK[m]":16,
"DTR[m]":17,
"TGD[m]":18,
"TROPO[m]":19,
"STEC[m]":20,
"VTEC[m]":21,
"MPP[elev]":22
}