PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-00:12:30
G02     353.8          77.0               11.8 +/-    0.91      12.1 +/-    0.91  0.030 / 0.040
G05     162.2          36.4               18.7 +/-    1.21      28.9 +/-    1.21  0.030 / 0.040
G06     42.3           37.7               10.7 +/-    0.77      16.1 +/-    0.77  0.040 / 0.070
G12     307.3          73.7               12.0 +/-    0.54      12.5 +/-    0.54  0.040 / 0.090
G17     86.6           12.9               13.8 +/-    1.63      36.1 +/-    1.63  0.040 / 0.040
G19     76.1           27.3               13.2 +/-    0.94      24.5 +/-    0.94  0.030 / 0.040
G24     226.6          21.3               17.7 +/-    1.12      37.7 +/-    1.12  0.080 / 0.130
G25     317.0          30.0               10.4 +/-    0.95      18.3 +/-    0.95  0.070 / 0.130