PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-07:12:40
G07     41.7           69.4                6.3 +/-    0.83       6.7 +/-    0.83  0.020 / 0.030
G08     56.4           45.0                6.8 +/-    0.65       9.2 +/-    0.65  0.030 / 0.030
G09     177.3          40.7                7.0 +/-    0.68      10.1 +/-    0.68  0.370 / 0.220
G11     125.5          33.1                6.7 +/-    0.78      11.0 +/-    0.78  0.220 / 0.320
G18     107.6          14.1                5.6 +/-    1.83      14.3 +/-    1.83  0.120 / 0.420
G23     160.2          11.6                5.4 +/-    2.41      14.6 +/-    2.41  0.120 / 0.400
G27     38.1           11.6                3.7 +/-    2.28      10.0 +/-    2.28  0.060 / 0.080
G28     262.2          43.7                6.6 +/-    3.11       9.1 +/-    3.11  0.060 / 0.070
G30     324.8          54.9                4.3 +/-    0.69       5.1 +/-    0.69  0.030 / 0.050