PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-03:28:10
G01     299.7          37.5                7.8 +/-    1.21      11.9 +/-    1.21  0.160 / 0.590
G03     308.8          9.6               -17.5 +/-   18.21     -49.3 +/-   18.21  0.060 / 0.080
G10     113.5          34.1                6.2 +/-    0.91       9.9 +/-    0.91  0.080 / 0.090
G11     271.9          27.7                7.6 +/-    1.14      14.0 +/-    1.14  0.040 / 0.070
G14     10.3           63.5                5.4 +/-    0.70       5.9 +/-    0.70  0.050 / 0.080
G18     264.0          49.7                6.0 +/-    0.87       7.6 +/-    0.87  0.040 / 0.070
G22     312.0          31.0                6.0 +/-    2.15      10.2 +/-    2.15  0.030 / 0.060
G25     73.5           17.9                3.8 +/-    0.92       8.8 +/-    0.92  0.070 / 0.110
G31     147.0          74.2                7.8 +/-    0.94       8.1 +/-    0.94  0.070 / 0.120
G32     45.6           45.5                3.6 +/-    0.32       4.8 +/-    0.32  0.080 / 0.180