PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-04:42:30
G01     113.1          20.2                6.4 +/-    0.53      13.9 +/-    0.53  0.080 / 0.090
G07     90.7           64.0                5.4 +/-    0.34       6.0 +/-    0.34  0.060 / 0.100
G08     43.4           27.6                3.0 +/-    1.06       5.6 +/-    1.06  0.040 / 0.040
G09     174.0          19.3                6.7 +/-    1.01      15.0 +/-    1.01  0.040 / 0.030
G11     105.2          43.1                6.4 +/-    0.53       8.8 +/-    0.53  0.040 / 0.070
G13     314.9          24.0                2.7 +/-    2.81       5.4 +/-    2.81  0.040 / 0.070
G17     201.8          28.7                8.1 +/-    1.12      14.7 +/-    1.12  0.040 / 0.060
G28     287.8          53.6                5.7 +/-    0.73       7.0 +/-    0.73  0.050 / 0.070
G30     345.3          69.8                4.1 +/-    0.83       4.4 +/-    0.83  0.030 / 0.040