PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-06:27:50
G01     271.0          41.1                6.7 +/-    2.84       9.6 +/-    2.84  0.050 / 0.050
G03     315.7          28.6                2.3 +/-    1.78       4.1 +/-    1.78  0.040 / 0.040
G10     129.7          16.9                5.5 +/-    1.08      13.0 +/-    1.08  0.050 / 0.070
G11     250.1          20.1                7.5 +/-    3.65      16.4 +/-    3.65  0.050 / 0.070
G14     40.7           51.8                3.9 +/-    1.32       4.8 +/-    1.32  0.210 / 0.410
G18     234.4          39.2                6.9 +/-    1.09      10.2 +/-    1.09  0.230 / 0.350
G22     314.1          52.2                5.0 +/-    0.68       6.1 +/-    0.68  0.050 / 0.060
G25     52.2           16.5                2.2 +/-    4.00       5.3 +/-    4.00  0.050 / 0.060
G31     53.6           71.5                4.2 +/-    0.27       4.4 +/-    0.27  0.180 / 0.240
G32     65.1           31.0                4.8 +/-    1.37       8.2 +/-    1.37  0.100 / 0.200