PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/18-23:12:50
G01     271.8          41.0                7.4 +/-    0.72      10.6 +/-    0.72  0.060 / 0.060
G03     315.5          27.9                4.9 +/-    1.11       9.0 +/-    1.11  0.040 / 0.060
G10     129.3          18.2               10.1 +/-    1.71      23.2 +/-    1.71  0.040 / 0.030
G11     250.9          21.1                9.1 +/-    1.86      19.6 +/-    1.86  0.030 / 0.030
G14     43.3           49.9                4.8 +/-    0.46       6.1 +/-    0.46  0.090 / 0.220
G22     314.2          50.0                3.7 +/-    1.17       4.7 +/-    1.17  0.090 / 0.210
G25     52.2           16.6                5.7 +/-    1.72      13.6 +/-    1.72  0.050 / 0.110
G26     151.3          22.9               10.7 +/-    1.75      22.0 +/-    1.75  0.050 / 0.080
G31     62.0           78.2                5.5 +/-    0.85       5.6 +/-    0.85  0.050 / 0.060
G32     62.5           34.5                5.2 +/-    0.64       8.4 +/-    0.64  0.050 / 0.070