PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-07:57:30
G01     84.1           31.8                5.0 +/-    1.05       8.4 +/-    1.05  0.030 / 0.020
G07     128.3          41.4                6.1 +/-    0.75       8.7 +/-    0.75  0.030 / 0.030
G11     66.1           40.7                5.1 +/-    0.98       7.3 +/-    0.98  0.080 / 0.120
G13     289.4          38.2                0.5 +/-    2.54       0.8 +/-    2.54  0.130 / 0.100
G15     312.3          11.8                0.7 +/-    2.62       1.8 +/-    2.62  0.300 / 0.460
G17     215.9          55.8                6.8 +/-    0.92       8.0 +/-    0.92  0.200 / 0.350
G19     215.1          32.4                5.4 +/-    1.17       9.0 +/-    1.17  0.040 / 0.050
G28     338.9          61.3                3.8 +/-    0.51       4.3 +/-    0.51  0.040 / 0.050
G30     111.7          76.3                5.5 +/-    0.50       5.6 +/-    0.50  0.030 / 0.060