PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-08:42:50
G01     40.5           15.7                2.3 +/-    1.89       5.7 +/-    1.89  0.060 / 0.100
G06     173.6          38.2                7.5 +/-    1.11      11.2 +/-    1.11  0.060 / 0.110
G13     237.2          23.5                5.5 +/-    2.92      11.0 +/-    2.92  0.080 / 0.290
G15     270.6          12.7                4.4 +/-    1.96      11.5 +/-    1.96  0.080 / 0.260
G17     357.6          72.0                7.4 +/-    0.60       7.8 +/-    0.60  0.160 / 0.290
G19     276.7          70.4                7.4 +/-    0.66       7.8 +/-    0.66  0.140 / 0.200
G24     317.2          16.7                4.5 +/-    4.38      10.8 +/-    4.38  0.040 / 0.060
G28     60.8           53.2                4.2 +/-    0.64       5.1 +/-    0.64  0.040 / 0.060
G30     155.2          31.7                7.9 +/-    1.20      13.3 +/-    1.20  0.040 / 0.040