PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-18:27:50
G01     250.1          34.7               12.6 +/-    1.76      20.2 +/-    1.76  0.040 / 0.090
G03     315.6          47.2                8.9 +/-    1.96      11.6 +/-    1.96  0.050 / 0.090
G11     238.6          12.3               12.5 +/-    2.91      33.2 +/-    2.91  0.040 / 0.050
G14     60.6           41.1               10.2 +/-    0.84      14.5 +/-    0.84  0.040 / 0.060
G16     163.4          18.7               -7.3 +/-   15.76     -16.6 +/-   15.76  0.030 / 0.040
G22     302.6          68.0               10.1 +/-    0.65      10.8 +/-    0.65  0.030 / 0.040
G23     287.8          20.7               10.5 +/-    2.10      22.6 +/-    2.10  0.080 / 0.120
G26     135.1          38.9               12.7 +/-    0.67      18.8 +/-    0.67  0.080 / 0.110
G31     40.7           57.2                9.2 +/-    0.82      10.7 +/-    0.82  0.060 / 0.060
G32     78.5           21.8                8.7 +/-    1.19      18.4 +/-    1.19  0.050 / 0.070