PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-13:12:30
G02     201.2          24.7                9.1 +/-    2.03      17.8 +/-    2.03  0.040 / 0.140
G06     170.7          58.0                8.9 +/-    1.00      10.3 +/-    1.00  0.050 / 0.100
G13     225.6          10.3                6.4 +/-    3.29      17.7 +/-    3.29  0.060 / 0.110
G17     30.0           54.2                4.0 +/-    1.80       4.8 +/-    1.80  0.070 / 0.110
G19     344.2          69.4                7.3 +/-    1.26       7.8 +/-    1.26  0.060 / 0.040
G24     308.0          31.5                4.7 +/-    1.70       8.0 +/-    1.70  0.030 / 0.040
G28     93.7           36.5                5.0 +/-    1.76       7.7 +/-    1.76  0.050 / 0.050
G30     157.8          11.2                6.1 +/-    1.86      16.5 +/-    1.86  0.040 / 0.050