PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-06:42:40
G07     44.8           69.4                5.3 +/-    0.54       5.6 +/-    0.54  0.040 / 0.040
G08     54.8           43.8                3.8 +/-    0.69       5.3 +/-    0.69  0.030 / 0.060
G09     177.0          39.1                8.6 +/-    1.04      12.7 +/-    1.04  0.030 / 0.040
G11     124.6          33.9                7.4 +/-    1.16      11.9 +/-    1.16  0.040 / 0.040
G18     106.5          14.7                5.7 +/-    1.24      14.2 +/-    1.24  0.100 / 0.300
G23     160.3          10.7                3.3 +/-    2.18       9.1 +/-    2.18  0.110 / 0.290
G27     37.7           10.5                3.8 +/-    4.29      10.6 +/-    4.29  0.240 / 0.380
G28     263.5          44.4                4.8 +/-    0.67       6.6 +/-    0.67  0.200 / 0.330
G30     325.7          55.6                3.9 +/-    0.72       4.6 +/-    0.72  0.280 / 0.370