PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-16:27:50
G01     272.0          41.0                9.1 +/-    2.18      13.1 +/-    2.18  0.050 / 0.050
G03     316.1          32.2                6.7 +/-    1.86      11.3 +/-    1.86  0.040 / 0.050
G10     129.3          17.9                9.1 +/-    2.00      21.0 +/-    2.00  0.050 / 0.050
G11     254.4          20.7                8.6 +/-    4.32      18.6 +/-    4.32  0.050 / 0.050
G14     40.4           51.8                6.6 +/-    1.39       8.2 +/-    1.39  0.110 / 0.220
G22     314.3          52.9                7.2 +/-    0.72       8.8 +/-    0.72  0.100 / 0.110
G25     53.7           17.4                8.0 +/-    3.75      18.7 +/-    3.75  0.030 / 0.020
G26     147.7          24.7               12.1 +/-    0.87      23.8 +/-    0.87  0.030 / 0.020
G31     56.0           73.7                8.0 +/-    0.26       8.3 +/-    0.26  0.110 / 0.150
G32     64.0           32.2                6.6 +/-    1.38      11.0 +/-    1.38  0.110 / 0.100