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               13.7 +/-    1.56      21.8 +/-    1.56  0.030 / 0.030
G03     315.6          47.2               10.5 +/-    0.45      13.7 +/-    0.45  0.040 / 0.030
G11     238.6          12.3               12.0 +/-    2.05      31.9 +/-    2.05  0.050 / 0.090
G14     60.6           41.1                8.0 +/-    0.91      11.4 +/-    0.91  0.040 / 0.090
G22     302.6          68.0               10.2 +/-    0.64      10.9 +/-    0.64  0.070 / 0.350
G23     287.8          20.7               10.5 +/-    2.70      22.8 +/-    2.70  0.090 / 0.470
G25     39.5           10.0                7.8 +/-    1.50      21.8 +/-    1.50  0.030 / 0.040
G26     135.1          38.9               12.8 +/-    0.99      18.9 +/-    0.99  0.030 / 0.030
G31     40.7           57.2                8.6 +/-    0.38      10.0 +/-    0.38  0.080 / 0.080
G32     78.5           21.8               10.3 +/-    1.70      21.6 +/-    1.70  0.130 / 0.110