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                5.5 +/-    0.89       9.1 +/-    0.89  0.070 / 0.130
G10     105.8          40.1                6.5 +/-    0.75       9.5 +/-    0.75  0.070 / 0.130
G11     282.1          28.0                6.4 +/-    1.17      11.8 +/-    1.17  0.030 / 0.050
G14     348.6          67.8                5.0 +/-    0.51       5.4 +/-    0.51  0.040 / 0.060
G18     278.1          49.6                6.4 +/-    1.36       8.2 +/-    1.36  0.050 / 0.070
G20     118.8          22.1                8.8 +/-    2.80      18.4 +/-    2.80  0.050 / 0.060
G22     310.0          27.0                4.6 +/-    1.20       8.6 +/-    1.20  0.070 / 0.110
G25     82.3           16.4                4.2 +/-    1.08      10.1 +/-    1.08  0.070 / 0.100
G31     162.0          66.5                8.4 +/-    0.71       9.1 +/-    0.71  0.080 / 0.160
G32     37.9           51.1                5.9 +/-    0.40       7.4 +/-    0.40  0.090 / 0.190