PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/27-03:13:00
G02     202.1          35.3                5.7 +/-    1.54       9.1 +/-    1.54  0.060 / 0.100
G06     165.5          66.6                5.0 +/-    0.58       5.4 +/-    0.58  0.070 / 0.100
G12     306.6          13.2                4.3 +/-    2.31      11.3 +/-    2.31  0.110 / 0.260
G17     32.9           51.8                3.5 +/-    1.23       4.3 +/-    1.23  0.210 / 0.200
G19     359.2          65.8                3.0 +/-    0.49       3.3 +/-    0.49  0.040 / 0.020
G24     300.0          37.0                2.2 +/-    3.50       3.3 +/-    3.50  0.040 / 0.030
G28     101.7          31.4                4.2 +/-    1.19       7.1 +/-    1.19  0.060 / 0.040