PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/07-17:43:00
G01     271.2          40.9               10.2 +/-    2.54      14.6 +/-    2.54  0.050 / 0.050
G03     316.0          31.7                7.3 +/-    1.56      12.3 +/-    1.56  0.040 / 0.060
G10     129.7          17.5                8.9 +/-    1.88      20.8 +/-    1.88  0.030 / 0.020
G11     253.2          20.5                8.0 +/-    3.73      17.5 +/-    3.73  0.030 / 0.020
G14     41.8           51.1                7.4 +/-    0.82       9.3 +/-    0.82  0.100 / 0.150
G22     314.2          52.7                7.8 +/-    0.93       9.6 +/-    0.93  0.140 / 0.230
G25     53.0           17.2                6.8 +/-    1.36      16.0 +/-    1.36  0.050 / 0.050
G26     147.8          25.0               11.6 +/-    1.59      22.7 +/-    1.59  0.050 / 0.060
G31     55.2           73.8                8.5 +/-    0.41       8.8 +/-    0.41  0.100 / 0.110
G32     64.4           32.1                6.6 +/-    1.66      11.0 +/-    1.66  0.100 / 0.140