PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-17:58:00
G01     235.3          25.7                9.7 +/-    1.05      18.6 +/-    1.05  0.050 / 0.070
G03     307.1          60.2                9.8 +/-    0.79      11.1 +/-    0.79  0.040 / 0.060
G14     76.0           30.7               10.1 +/-    1.41      17.4 +/-    1.41  0.030 / 0.040
G16     158.1          30.8               12.1 +/-    0.91      20.9 +/-    0.91  0.040 / 0.040
G18     207.0          13.8               11.0 +/-    3.28      28.1 +/-    3.28  0.070 / 0.170
G22     254.8          76.1                9.5 +/-    1.02       9.7 +/-    1.02  0.070 / 0.210
G23     297.5          27.7                7.1 +/-    1.72      13.1 +/-    1.72  0.080 / 0.190
G26     126.5          48.7               11.7 +/-    1.08      15.0 +/-    1.08  0.080 / 0.170
G31     40.6           47.1                7.9 +/-    0.41      10.4 +/-    0.41  0.060 / 0.180
G32     88.9           15.6                9.6 +/-    0.84      23.6 +/-    0.84  0.070 / 0.160