PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/31-00:12:50
G01     282.9          41.2                9.1 +/-    1.30      13.0 +/-    1.30  0.050 / 0.090
G03     313.6          20.5                9.0 +/-    1.77      19.7 +/-    1.77  0.040 / 0.100
G10     124.0          24.8               10.7 +/-    1.20      21.0 +/-    1.20  0.090 / 0.080
G11     258.2          24.6               11.2 +/-    1.22      22.1 +/-    1.22  0.060 / 0.090
G14     33.8           54.6                8.9 +/-    0.41      10.6 +/-    0.41  0.060 / 0.130
G22     314.3          42.6                8.2 +/-    1.28      11.4 +/-    1.28  0.050 / 0.120
G25     59.5           18.0                7.4 +/-    0.75      17.1 +/-    0.75  0.030 / 0.030
G26     156.8          15.8               13.4 +/-    2.27      32.6 +/-    2.27  0.030 / 0.030
G31     121.1          81.8               10.8 +/-    0.91      10.9 +/-    0.91  0.050 / 0.050
G32     54.6           40.2                7.8 +/-    0.71      11.3 +/-    0.71  0.040 / 0.060