PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-16:42:50
G01     270.3          40.8                8.6 +/-    0.96      12.3 +/-    0.96  0.090 / 0.160
G03     316.2          33.2                7.3 +/-    2.72      12.0 +/-    2.72  0.070 / 0.170
G10     130.0          16.9                9.0 +/-    1.62      21.3 +/-    1.62  0.030 / 0.030
G11     253.2          20.2               10.2 +/-    2.00      22.3 +/-    2.00  0.030 / 0.040
G14     42.1           51.0                6.2 +/-    0.47       7.8 +/-    0.47  0.050 / 0.080
G22     314.1          54.0                5.6 +/-    1.18       6.8 +/-    1.18  0.040 / 0.070
G25     52.5           17.0                6.4 +/-    0.93      15.0 +/-    0.93  0.050 / 0.060
G26     147.0          25.7               10.2 +/-    1.52      19.6 +/-    1.52  0.040 / 0.040
G31     53.5           72.7                8.8 +/-    0.91       9.1 +/-    0.91  0.100 / 0.200
G32     65.1           31.5                7.2 +/-    0.92      12.2 +/-    0.92  0.080 / 0.170