PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-21:57:50
G01     262.7          39.4               10.3 +/-    2.56      15.2 +/-    2.56  0.070 / 0.050
G03     316.4          34.7                6.6 +/-    1.59      10.6 +/-    1.59  0.060 / 0.050
G10     133.1          12.6                9.1 +/-    2.05      23.9 +/-    2.05  0.030 / 0.030
G11     245.5          17.8                7.9 +/-    0.99      18.3 +/-    0.99  0.020 / 0.030
G14     50.6           46.2                7.1 +/-    0.47       9.5 +/-    0.47  0.190 / 0.250
G22     312.3          56.7                7.0 +/-    1.73       8.2 +/-    1.73  0.150 / 0.150
G25     46.7           14.5                4.6 +/-    4.24      11.5 +/-    4.24  0.040 / 0.060
G26     146.0          29.2               10.0 +/-    2.24      17.7 +/-    2.24  0.050 / 0.070
G31     46.3           70.5                8.6 +/-    0.39       9.1 +/-    0.39  0.080 / 0.070
G32     68.9           29.6                6.0 +/-    2.15      10.6 +/-    2.15  0.080 / 0.080