PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-09:58:00
G07     326.4          55.4                4.5 +/-    0.62       5.3 +/-    0.62  0.100 / 0.120
G08     103.8          50.0                5.7 +/-    0.55       7.2 +/-    0.55  0.110 / 0.120
G09     189.9          76.6                4.7 +/-    0.41       4.8 +/-    0.41  0.030 / 0.050
G11     147.7          10.8                1.8 +/-   15.00       5.0 +/-   15.00  0.030 / 0.040
G23     154.1          47.3                5.6 +/-    0.89       7.4 +/-    0.89  0.040 / 0.070
G27     60.2           34.1                4.6 +/-    1.49       7.4 +/-    1.49  0.050 / 0.050
G28     233.6          25.4                7.5 +/-    2.29      14.5 +/-    2.29  0.040 / 0.080
G30     297.4          30.6                4.7 +/-    1.47       8.1 +/-    1.47  0.080 / 0.070