PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-22:27:50
G01     252.1          36.1               10.5 +/-    2.05      16.4 +/-    2.05  0.060 / 0.100
G03     316.3          42.0                8.3 +/-    0.82      11.6 +/-    0.82  0.060 / 0.070
G11     236.7          12.3                9.1 +/-    2.70      24.1 +/-    2.70  0.070 / 0.110
G14     59.4           41.1                7.5 +/-    1.17      10.7 +/-    1.17  0.100 / 0.080
G16     163.3          17.2                9.8 +/-    2.32      23.1 +/-    2.32  0.040 / 0.040
G22     306.1          64.3                8.6 +/-    0.95       9.5 +/-    0.95  0.030 / 0.040
G23     285.1          17.1                9.4 +/-    2.00      22.3 +/-    2.00  0.180 / 0.390
G26     138.9          36.7                8.8 +/-    0.48      13.6 +/-    0.48  0.160 / 0.330
G31     41.2           62.2                7.6 +/-    0.68       8.4 +/-    0.68  0.060 / 0.060
G32     76.2           23.8                8.1 +/-    1.26      16.3 +/-    1.26  0.050 / 0.050