PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-17:12:40
G01     41.7           17.2                7.8 +/-    0.64      18.4 +/-    0.64  0.070 / 0.150
G06     173.6          39.4               14.6 +/-    1.18      21.4 +/-    1.18  0.070 / 0.140
G13     238.4          22.7                9.2 +/-    2.03      19.0 +/-    2.03  0.090 / 0.130
G15     274.0          12.3               12.3 +/-    2.18      32.6 +/-    2.18  0.130 / 0.200
G17     357.8          71.5               11.6 +/-    0.68      12.2 +/-    0.68  0.050 / 0.080
G19     269.5          66.2               10.3 +/-    0.59      11.2 +/-    0.59  0.050 / 0.080
G24     316.5          19.4               11.2 +/-    1.93      25.0 +/-    1.93  0.190 / 0.260
G28     70.2           47.4                9.4 +/-    0.64      12.2 +/-    0.64  0.160 / 0.380
G30     154.5          29.2               12.6 +/-    1.24      22.4 +/-    1.24  0.080 / 0.410