PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-05:12:30
G07     37.7           69.5                7.9 +/-    0.79       8.4 +/-    0.79  0.060 / 0.040
G08     55.9           44.2                7.8 +/-    0.99      10.7 +/-    0.99  0.050 / 0.040
G09     176.3          40.2                9.7 +/-    0.90      14.0 +/-    0.90  0.050 / 0.040
G11     127.0          32.6                7.7 +/-    1.77      12.9 +/-    1.77  0.040 / 0.040
G23     160.5          13.0                4.4 +/-    2.13      11.5 +/-    2.13  0.030 / 0.040
G27     38.2           11.9                3.6 +/-    1.94       9.6 +/-    1.94  0.030 / 0.040
G28     261.1          42.8                8.0 +/-    1.82      11.1 +/-    1.82  0.110 / 0.120
G30     323.3          53.6                6.5 +/-    0.51       7.8 +/-    0.51  0.080 / 0.090