PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-17:43:00
G07     335.0          59.1               11.4 +/-    0.59      13.1 +/-    0.59  0.090 / 0.240
G08     105.4          50.0               12.1 +/-    0.56      15.3 +/-    0.56  0.240 / 0.230
G09     207.8          79.3               10.6 +/-    0.30      10.7 +/-    0.30  0.030 / 0.040
G11     147.6          11.1               13.5 +/-    3.34      36.8 +/-    3.34  0.040 / 0.040
G16     45.0           14.4                7.4 +/-    3.31      18.8 +/-    3.31  0.060 / 0.160
G23     153.9          47.3               11.9 +/-    0.79      15.6 +/-    0.79  0.070 / 0.130
G27     61.8           35.1               10.2 +/-    1.53      16.2 +/-    1.53  0.030 / 0.040
G28     232.6          21.6               12.9 +/-    2.58      27.3 +/-    2.58  0.030 / 0.030
G30     298.8          33.1                9.8 +/-    1.68      16.1 +/-    1.68  0.070 / 0.080