PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-15:43:10
G01     254.5          36.7               10.9 +/-    1.84      16.8 +/-    1.84  0.040 / 0.080
G11     242.2          14.2               10.4 +/-    1.59      26.5 +/-    1.59  0.060 / 0.080
G14     55.4           44.4               10.2 +/-    0.73      13.8 +/-    0.73  0.030 / 0.030
G16     164.0          16.0               11.8 +/-    1.73      28.7 +/-    1.73  0.030 / 0.040
G22     306.5          66.6               10.8 +/-    0.76      11.6 +/-    0.76  0.070 / 0.150
G23     285.6          19.8               10.2 +/-    1.65      22.6 +/-    1.65  0.090 / 0.130
G25     42.4           12.2                7.5 +/-    3.49      19.8 +/-    3.49  0.030 / 0.040
G26     137.4          36.2               14.4 +/-    0.69      22.4 +/-    0.69  0.030 / 0.040
G31     41.9           59.9               10.0 +/-    0.48      11.3 +/-    0.48  0.050 / 0.060
G32     75.6           23.6                8.6 +/-    2.38      17.4 +/-    2.38  0.060 / 0.090