PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-13:43:10
G01     125.1          13.2                8.7 +/-    3.07      22.7 +/-    3.07  0.050 / 0.040
G07     60.1           69.2                8.5 +/-    0.53       9.1 +/-    0.53  0.040 / 0.040
G08     48.5           37.2                6.7 +/-    0.61      10.2 +/-    0.61  0.110 / 0.370
G09     176.7          32.1                8.7 +/-    1.10      14.6 +/-    1.10  0.160 / 0.370
G11     115.0          36.7               10.4 +/-    1.72      16.0 +/-    1.72  0.040 / 0.060
G13     320.4          13.8                5.2 +/-    2.47      13.4 +/-    2.47  0.040 / 0.050
G17     200.3          17.1                8.9 +/-    1.47      20.9 +/-    1.47  0.030 / 0.040
G18     101.2          17.8                9.4 +/-    1.24      21.9 +/-    1.24  0.030 / 0.030
G28     280.0          54.1                8.5 +/-    1.14      10.2 +/-    1.14  0.060 / 0.110
G30     334.9          62.0                8.0 +/-    0.75       9.0 +/-    0.75  0.050 / 0.130