PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-19:12:50
G01     256.5          37.5               10.4 +/-    1.25      15.7 +/-    1.25  0.050 / 0.050
G03     316.5          41.2               10.8 +/-    1.23      15.4 +/-    1.23  0.040 / 0.050
G11     242.7          15.2               11.0 +/-    1.83      27.2 +/-    1.83  0.090 / 0.160
G14     55.0           44.1               10.1 +/-    0.89      13.7 +/-    0.89  0.100 / 0.160
G22     309.1          62.5                9.8 +/-    0.84      10.9 +/-    0.84  0.090 / 0.100
G23     283.5          17.0                8.4 +/-   13.65      20.0 +/-   13.65  0.100 / 0.100
G25     43.4           12.8                7.9 +/-    0.87      20.8 +/-    0.87  0.030 / 0.040
G26     140.5          34.2               14.0 +/-    0.80      22.6 +/-    0.80  0.030 / 0.040
G31     42.3           63.4                9.4 +/-    0.72      10.4 +/-    0.72  0.060 / 0.110
G32     73.7           25.5               10.6 +/-    0.67      20.5 +/-    0.67  0.060 / 0.110