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                4.1 +/-    1.18       7.0 +/-    1.18  0.030 / 0.040
G06     180.1          10.9               -6.8 +/-   35.03     -18.7 +/-   35.03  0.030 / 0.030
G07     139.4          25.9                7.9 +/-    1.65      15.1 +/-    1.65  0.050 / 0.110
G11     51.4           29.9                4.1 +/-    0.90       7.3 +/-    0.90  0.060 / 0.140
G13     267.2          37.8                7.5 +/-    1.59      11.3 +/-    1.59  0.030 / 0.030
G15     297.8          16.2                2.5 +/-    1.77       6.1 +/-    1.77  0.040 / 0.030
G17     239.9          71.8                7.4 +/-    1.38       7.8 +/-    1.38  0.040 / 0.060
G19     226.9          48.4                7.5 +/-    1.66       9.7 +/-    1.66  0.040 / 0.060
G28     12.5           60.8                3.6 +/-    0.85       4.1 +/-    0.85  0.040 / 0.100
G30     140.5          60.1                8.1 +/-    0.55       9.2 +/-    0.55  0.040 / 0.140