PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-15:12:50
G07     330.9          57.2                8.1 +/-    0.70       9.5 +/-    0.70  0.030 / 0.050
G08     103.3          51.9               12.1 +/-    0.57      14.9 +/-    0.57  0.040 / 0.050
G09     191.9          74.4               11.7 +/-    0.70      12.1 +/-    0.70  0.040 / 0.060
G11     146.8          12.5               14.8 +/-    1.55      39.1 +/-    1.55  0.040 / 0.060
G23     154.0          39.2               13.7 +/-    0.92      20.1 +/-    0.92  0.060 / 0.080
G27     55.9           32.1                9.1 +/-    0.64      15.4 +/-    0.64  0.040 / 0.080
G28     236.6          28.9               11.6 +/-    2.10      20.9 +/-    2.10  0.080 / 0.110
G30     301.4          34.7                8.7 +/-    1.10      13.9 +/-    1.10  0.070 / 0.110