PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-22:58:10
G01     101.9          28.1               16.5 +/-    1.13      30.1 +/-    1.13  0.100 / 0.130
G07     113.9          54.7               17.1 +/-    0.84      20.5 +/-    0.84  0.110 / 0.130
G08     42.0           19.2               12.7 +/-    1.11      28.5 +/-    1.11  0.050 / 0.080
G09     174.5          10.1               18.1 +/-    2.30      50.3 +/-    2.30  0.050 / 0.070
G11     85.5           43.6               17.3 +/-    0.54      23.8 +/-    0.54  0.030 / 0.050
G13     305.8          31.0               14.3 +/-    1.79      24.5 +/-    1.79  0.040 / 0.060
G17     208.9          40.2               19.1 +/-    1.72      27.6 +/-    1.72  0.170 / 0.200
G19     210.6          17.5               18.7 +/-    1.23      43.8 +/-    1.23  0.080 / 0.110
G28     329.3          61.7               13.9 +/-    0.56      15.5 +/-    0.56  0.020 / 0.040
G30     67.7           78.3               16.1 +/-    1.18      16.4 +/-    1.18  0.030 / 0.040