PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-23:27:50
G08     265.8          16.3               12.9 +/-    2.96      31.1 +/-    2.96  0.190 / 0.320
G10     71.3           54.7                8.6 +/-    0.48      10.3 +/-    0.48  0.190 / 0.360
G11     309.5          18.5               10.3 +/-    1.45      23.4 +/-    1.45  0.120 / 0.350
G14     273.0          66.9                8.1 +/-    0.86       8.8 +/-    0.86  0.160 / 0.370
G18     309.7          36.3                8.8 +/-    3.69      13.6 +/-    3.69  0.040 / 0.060
G20     100.6          32.3                9.3 +/-    1.30      15.6 +/-    1.30  0.040 / 0.060
G21     156.0          11.8               11.7 +/-    1.07      31.2 +/-    1.07  0.200 / 0.380
G27     228.4          13.2               14.8 +/-    2.99      38.4 +/-    2.99  0.210 / 0.350
G31     176.1          36.3               12.7 +/-    0.90      19.6 +/-    0.90  0.080 / 0.090
G32     354.7          71.6                8.8 +/-    0.64       9.2 +/-    0.64  0.080 / 0.110