PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-13:58:00
G01     301.5          37.1                7.4 +/-    1.29      11.4 +/-    1.29  0.060 / 0.100
G10     111.8          34.7                7.3 +/-    0.65      11.6 +/-    0.65  0.060 / 0.090
G11     273.8          27.7                7.8 +/-    1.79      14.3 +/-    1.79  0.050 / 0.050
G14     10.8           63.6                7.1 +/-    0.55       7.8 +/-    0.55  0.040 / 0.050
G18     262.5          51.0                6.9 +/-    6.66       8.6 +/-    6.66  0.070 / 0.070
G22     312.5          33.4                4.7 +/-    0.96       7.7 +/-    0.96  0.050 / 0.070
G25     74.3           17.1                6.1 +/-    1.68      14.3 +/-    1.68  0.040 / 0.030
G31     165.6          69.2                8.3 +/-    0.63       8.9 +/-    0.63  0.030 / 0.030
G32     38.0           51.6                6.5 +/-    0.85       8.0 +/-    0.85  0.140 / 0.210