PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-18:42:50
G01     78.8           33.3               11.3 +/-    1.11      18.5 +/-    1.11  0.170 / 0.240
G07     133.2          37.5               13.7 +/-    0.38      20.8 +/-    0.38  0.080 / 0.200
G11     59.5           35.6               12.0 +/-    1.17      18.8 +/-    1.17  0.040 / 0.070
G13     283.2          37.7               12.4 +/-    1.16      18.7 +/-    1.16  0.050 / 0.070
G15     308.9          13.1               10.9 +/-    2.89      28.2 +/-    2.89  0.030 / 0.030
G17     223.5          60.1               13.8 +/-    1.72      15.7 +/-    1.72  0.030 / 0.030
G18     54.9           21.3               11.2 +/-    3.74      23.8 +/-    3.74  0.320 / 0.260
G19     219.7          34.2               15.0 +/-    1.75      24.2 +/-    1.75  0.250 / 0.190
G28     7.7            60.6               11.6 +/-    1.73      13.1 +/-    1.73  0.060 / 0.090
G30     126.8          67.6               13.1 +/-    0.64      14.0 +/-    0.64  0.060 / 0.080