PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-02:43:10
G02     334.4          80.0                5.1 +/-    0.55       5.2 +/-    0.55  0.270 / 0.280
G05     164.9          30.9                8.6 +/-    1.45      14.8 +/-    1.45  0.160 / 0.250
G06     39.2           47.8                3.9 +/-    1.11       5.0 +/-    1.11  0.110 / 0.130
G12     316.2          65.0                5.6 +/-    1.28       6.1 +/-    1.28  0.140 / 0.150
G17     83.8           11.9                3.9 +/-    2.08      10.4 +/-    2.08  0.060 / 0.090
G19     71.6           29.2                4.4 +/-    3.02       7.9 +/-    3.02  0.070 / 0.080
G24     229.0          24.4                8.1 +/-    2.50      16.1 +/-    2.50  0.040 / 0.030
G25     317.2          27.5                4.4 +/-    3.03       8.1 +/-    3.03  0.040 / 0.030
G29     285.6          11.7                0.5 +/-   18.18       1.2 +/-   18.18  0.060 / 0.090