PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-18:58:00
G01     46.6           22.7                8.0 +/-    0.59      16.6 +/-    0.59  0.050 / 0.100
G06     175.9          30.7               12.6 +/-    2.41      21.8 +/-    2.41  0.050 / 0.090
G11     43.9           11.6                8.0 +/-    3.89      21.6 +/-    3.89  0.190 / 0.370
G13     245.9          27.8               10.3 +/-    1.91      18.9 +/-    1.91  0.200 / 0.330
G15     280.5          14.6                9.0 +/-    1.22      22.6 +/-    1.22  0.090 / 0.210
G17     326.0          76.9                9.3 +/-    0.84       9.5 +/-    0.84  0.110 / 0.220
G19     253.2          61.5                9.5 +/-    1.22      10.6 +/-    1.22  0.040 / 0.030
G24     318.5          12.4               -2.8 +/-   33.81      -7.4 +/-   33.81  0.030 / 0.040
G28     59.3           51.0                9.5 +/-    0.44      11.9 +/-    0.44  0.040 / 0.060
G30     151.7          36.5               12.3 +/-    1.40      19.0 +/-    1.40  0.040 / 0.080