PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-08:42:50
G01     63.8           31.0                5.3 +/-    1.00       9.0 +/-    1.00  0.030 / 0.030
G06     180.1          10.9              -10.1 +/-   32.96     -27.6 +/-   32.96  0.040 / 0.030
G07     139.4          25.9                7.3 +/-    1.99      14.0 +/-    1.99  0.100 / 0.100
G11     51.4           29.9                4.8 +/-    1.60       8.5 +/-    1.60  0.100 / 0.090
G13     267.2          37.8                6.4 +/-    2.53       9.6 +/-    2.53  0.050 / 0.050
G15     297.8          16.2                2.6 +/-    3.29       6.4 +/-    3.29  0.050 / 0.050
G17     239.9          71.8                7.3 +/-    0.70       7.7 +/-    0.70  0.120 / 0.320
G19     226.9          48.4                6.5 +/-    2.50       8.4 +/-    2.50  0.120 / 0.290
G28     12.5           60.8                5.2 +/-    1.85       5.8 +/-    1.85  0.080 / 0.110
G30     140.5          60.1                8.3 +/-    0.41       9.4 +/-    0.41  0.050 / 0.120