PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-06:57:40
G01     110.0          22.3                5.2 +/-    0.57      10.7 +/-    0.57  0.030 / 0.030
G07     98.9           60.9                5.4 +/-    0.55       6.0 +/-    0.55  0.030 / 0.040
G08     42.8           25.7                3.0 +/-    0.62       5.7 +/-    0.62  0.030 / 0.050
G09     174.4          17.1                5.9 +/-    1.50      13.9 +/-    1.50  0.040 / 0.050
G11     98.8           43.9                5.8 +/-    0.69       7.9 +/-    0.69  0.050 / 0.070
G13     312.7          26.6                4.7 +/-    2.41       8.9 +/-    2.41  0.040 / 0.060
G17     203.3          31.4                6.2 +/-    1.97      10.5 +/-    1.97  0.060 / 0.200
G28     294.6          55.6                4.5 +/-    1.06       5.3 +/-    1.06  0.070 / 0.190
G30     355.0          73.6                4.8 +/-    0.60       4.9 +/-    0.60  0.040 / 0.060