PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-07:58:00
G01     256.4          37.6                5.8 +/-    1.90       8.8 +/-    1.90  0.110 / 0.400
G03     316.5          39.3                3.2 +/-    1.31       4.7 +/-    1.31  0.140 / 0.380
G10     135.5          7.8                 3.8 +/-    2.32      11.0 +/-    2.32  0.040 / 0.040
G11     240.8          14.5                6.0 +/-    1.66      15.1 +/-    1.66  0.030 / 0.030
G14     53.1           45.8                5.2 +/-    0.92       7.0 +/-    0.92  0.220 / 0.200
G18     224.4          31.0                5.3 +/-    2.59       9.2 +/-    2.59  0.230 / 0.220
G22     308.6          63.6                3.9 +/-    0.95       4.3 +/-    0.95  0.050 / 0.070
G25     43.0           12.3                1.8 +/-    2.18       4.9 +/-    2.18  0.050 / 0.070
G31     42.7           60.5                5.4 +/-    0.58       6.1 +/-    0.58  0.050 / 0.080
G32     74.5           24.0                4.3 +/-    1.97       8.7 +/-    1.97  0.080 / 0.110