PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-15:43:00
G01     78.8           33.3               11.0 +/-    0.66      18.0 +/-    0.66  0.030 / 0.030
G07     133.2          37.2               12.5 +/-    1.13      19.1 +/-    1.13  0.030 / 0.030
G11     58.7           34.8                9.2 +/-    0.66      14.7 +/-    0.66  0.060 / 0.120
G13     282.9          37.9               10.4 +/-    0.94      15.6 +/-    0.94  0.050 / 0.110
G15     310.0          12.3                8.3 +/-    1.65      21.9 +/-    1.65  0.040 / 0.120
G17     223.5          62.4               13.4 +/-    0.88      14.9 +/-    0.88  0.050 / 0.130
G18     54.5           21.0                8.1 +/-    1.33      17.3 +/-    1.33  0.060 / 0.080
G19     219.7          33.1               12.3 +/-    2.08      20.2 +/-    2.08  0.050 / 0.080
G28     7.2            60.7                9.4 +/-    0.52      10.6 +/-    0.52  0.030 / 0.060
G30     126.5          68.9               11.3 +/-    0.96      12.0 +/-    0.96  0.040 / 0.070