PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-14:42:40
G07     25.8           67.9                8.7 +/-    0.79       9.4 +/-    0.79  0.070 / 0.130
G08     67.1           49.8                8.2 +/-    0.41      10.3 +/-    0.41  0.060 / 0.140
G09     181.3          53.4               10.4 +/-    0.56      12.7 +/-    0.56  0.080 / 0.170
G11     131.2          27.1                6.8 +/-    1.16      12.7 +/-    1.16  0.070 / 0.190
G23     159.1          19.8                9.0 +/-    2.14      19.8 +/-    2.14  0.030 / 0.040
G27     41.9           19.7                7.8 +/-    1.47      17.3 +/-    1.47  0.030 / 0.040
G28     252.9          39.3               10.1 +/-    1.19      14.8 +/-    1.19  0.170 / 0.250