PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-20:42:40
G08     314.3          16.0                9.4 +/-    2.23      22.9 +/-    2.23  0.040 / 0.040
G10     328.3          59.6                9.5 +/-    0.66      10.8 +/-    0.66  0.040 / 0.050
G14     216.0          24.4               12.6 +/-    3.20      25.0 +/-    3.20  0.350 / 0.340
G15     46.4           13.0                7.6 +/-    1.84      19.9 +/-    1.84  0.240 / 0.380
G20     33.3           60.9               12.0 +/-    0.81      13.6 +/-    0.81  0.170 / 0.280
G21     130.1          61.3               11.7 +/-    0.74      13.1 +/-    0.74  0.190 / 0.300
G24     80.0           30.7                9.9 +/-    1.21      17.0 +/-    1.21  0.070 / 0.180
G27     280.1          38.1               10.4 +/-    2.18      15.7 +/-    2.18  0.240 / 0.210
G32     219.4          49.4               10.9 +/-    1.44      13.8 +/-    1.44  0.060 / 0.080