PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-04:27:50
G01     308.0          32.7                4.6 +/-    2.20       7.6 +/-    2.20  0.050 / 0.170
G10     105.2          40.5                7.1 +/-    0.53      10.3 +/-    0.53  0.100 / 0.160
G11     282.1          28.3                6.1 +/-    1.01      11.0 +/-    1.01  0.060 / 0.050
G14     350.3          67.8                5.5 +/-    0.60       5.9 +/-    0.60  0.040 / 0.060
G18     278.7          49.7                8.0 +/-    0.99      10.1 +/-    0.99  0.080 / 0.170
G20     114.6          38.5               12.5 +/-    1.27      18.7 +/-    1.27  0.090 / 0.200
G22     309.5          25.0                4.6 +/-    1.05       9.0 +/-    1.05  0.040 / 0.060
G25     82.5           16.1                2.6 +/-    1.43       6.4 +/-    1.43  0.040 / 0.060
G31     162.7          65.7                8.8 +/-    0.95       9.6 +/-    0.95  0.070 / 0.110
G32     37.2           51.6                4.6 +/-    0.37       5.7 +/-    0.37  0.060 / 0.130