PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-05:42:50
G01     263.0          39.6                9.3 +/-    1.47      13.6 +/-    1.47  0.150 / 0.290
G03     316.2          32.1                8.1 +/-    3.00      13.6 +/-    3.00  0.120 / 0.250
G10     132.8          13.4                7.2 +/-    0.85      18.7 +/-    0.85  0.040 / 0.050
G11     243.1          18.3               11.0 +/-    2.45      25.2 +/-    2.45  0.040 / 0.040
G14     51.3           45.3                5.6 +/-    0.62       7.5 +/-    0.62  0.080 / 0.090
G22     312.6          57.1                9.1 +/-    1.07      10.6 +/-    1.07  0.080 / 0.080
G25     44.1           12.4                4.6 +/-    1.23      12.2 +/-    1.23  0.100 / 0.170
G26     146.2          28.7                9.7 +/-    1.69      17.5 +/-    1.69  0.120 / 0.250
G31     46.5           69.7                8.8 +/-    0.70       9.3 +/-    0.70  0.040 / 0.090
G32     68.0           30.4                6.8 +/-    0.41      11.8 +/-    0.41  0.040 / 0.070