PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-18:12:50
G01     260.4          38.7                8.5 +/-    1.10      12.6 +/-    1.10  0.030 / 0.020
G03     316.6          39.0                6.4 +/-    1.24       9.5 +/-    1.24  0.030 / 0.030
G10     134.0          10.9                8.1 +/-    1.12      22.2 +/-    1.12  0.040 / 0.060
G11     245.8          16.7                8.5 +/-    3.50      20.2 +/-    3.50  0.040 / 0.050
G14     51.3           46.2                6.1 +/-    0.66       8.1 +/-    0.66  0.040 / 0.090
G22     311.2          60.1                8.0 +/-    0.83       9.1 +/-    0.83  0.040 / 0.080
G25     45.9           14.3                5.2 +/-    1.02      13.1 +/-    1.02  0.060 / 0.220
G26     142.4          31.7               10.3 +/-    1.75      17.4 +/-    1.75  0.060 / 0.140
G31     44.3           66.0                7.1 +/-    0.35       7.7 +/-    0.35  0.120 / 0.240
G32     71.2           27.2                7.0 +/-    1.06      13.1 +/-    1.06  0.200 / 0.270