PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-06:28:00
G01     307.5          33.0                4.1 +/-    1.63       6.8 +/-    1.63  0.080 / 0.140
G10     105.8          40.1                4.9 +/-    1.12       7.1 +/-    1.12  0.080 / 0.170
G11     282.1          28.0                6.3 +/-    0.91      11.5 +/-    0.91  0.070 / 0.160
G14     348.6          67.8                4.0 +/-    0.39       4.3 +/-    0.39  0.070 / 0.120
G18     278.1          49.6                6.1 +/-    1.57       7.7 +/-    1.57  0.050 / 0.040
G20     118.8          22.1                8.1 +/-    2.70      16.9 +/-    2.70  0.050 / 0.060
G22     310.0          27.0                4.9 +/-    0.71       9.2 +/-    0.71  0.030 / 0.050
G25     82.3           16.4                4.6 +/-    1.32      11.1 +/-    1.32  0.030 / 0.050
G31     162.0          66.5                6.5 +/-    0.31       7.0 +/-    0.31  0.080 / 0.110
G32     37.9           51.1                4.9 +/-    1.10       6.1 +/-    1.10  0.070 / 0.110