PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-17:42:50
G05     52.6           10.5                7.2 +/-    3.34      19.9 +/-    3.34  0.310 / 0.340
G10     244.0          22.7               11.3 +/-    1.07      23.4 +/-    1.07  0.480 / 0.400
G13     60.9           32.5                8.1 +/-    1.44      13.6 +/-    1.44  0.120 / 0.480
G15     101.6          57.3               10.9 +/-    1.10      12.7 +/-    1.10  0.170 / 0.540
G16     303.0          15.6                5.6 +/-    1.53      13.8 +/-    1.53  0.040 / 0.070
G20     261.2          46.9                9.2 +/-    4.79      12.1 +/-    4.79  0.040 / 0.060
G21     324.6          54.0                9.2 +/-    0.61      11.1 +/-    0.61  0.080 / 0.150
G26     275.9          18.1                8.7 +/-    0.96      20.0 +/-    0.96  0.060 / 0.110
G29     160.8          60.3               11.1 +/-    0.49      12.6 +/-    0.49  0.030 / 0.050