PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-13:42:50
G01     125.5          13.0               10.0 +/-    2.14      26.1 +/-    2.14  0.040 / 0.030
G07     58.7           69.3               10.0 +/-    0.68      10.6 +/-    0.68  0.030 / 0.030
G08     48.8           37.6                7.9 +/-    0.95      12.0 +/-    0.95  0.020 / 0.030
G09     176.8          32.5                8.7 +/-    1.44      14.5 +/-    1.44  0.030 / 0.030
G11     115.5          36.4               10.0 +/-    0.88      15.4 +/-    0.88  0.090 / 0.230
G13     320.5          13.4                6.3 +/-    3.18      16.3 +/-    3.18  0.100 / 0.180
G17     200.3          16.7                8.8 +/-    2.76      21.1 +/-    2.76  0.140 / 0.430
G18     101.6          17.6                9.7 +/-    1.96      22.6 +/-    1.96  0.160 / 0.430
G28     279.3          53.9                8.7 +/-    2.61      10.5 +/-    2.61  0.170 / 0.290
G30     334.3          61.6                8.8 +/-    0.83       9.8 +/-    0.83  0.270 / 0.260