PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-21:43:00
G03     187.7          15.8               10.8 +/-    2.19      26.2 +/-    2.19  0.060 / 0.120
G07     294.3          39.5               10.2 +/-    1.11      14.9 +/-    1.11  0.070 / 0.110
G08     140.4          30.9               13.5 +/-    1.27      23.3 +/-    1.27  0.060 / 0.080
G09     319.0          65.9                8.7 +/-    0.58       9.4 +/-    0.58  0.050 / 0.090
G16     42.0           35.9                9.4 +/-    0.88      14.7 +/-    0.88  0.070 / 0.140
G23     127.7          74.4               10.0 +/-    0.67      10.3 +/-    0.67  0.060 / 0.130
G27     93.2           35.2               12.2 +/-    0.42      19.4 +/-    0.42  0.030 / 0.040
G30     278.5          18.6               10.1 +/-    1.81      22.9 +/-    1.81  0.030 / 0.040