PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-15:42:40
G07     358.0          65.3               11.5 +/-    0.75      12.5 +/-    0.75  0.030 / 0.060
G08     75.5           52.3               12.0 +/-    0.97      14.7 +/-    0.97  0.030 / 0.050
G09     180.9          57.2               14.1 +/-    1.22      16.5 +/-    1.22  0.040 / 0.040
G11     136.2          22.6               16.0 +/-    1.78      33.0 +/-    1.78  0.040 / 0.040
G23     158.0          23.3               15.1 +/-    2.12      30.6 +/-    2.12  0.080 / 0.200
G27     43.9           22.3                9.8 +/-    2.09      20.4 +/-    2.09  0.080 / 0.180
G28     251.0          40.7               15.6 +/-    1.50      22.4 +/-    1.50  0.050 / 0.070
G30     314.3          45.5               11.1 +/-    0.57      14.8 +/-    0.57  0.060 / 0.070