PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-21:42:40
G01     319.3          18.5                9.4 +/-    1.69      21.4 +/-    1.69  0.150 / 0.370
G08     260.5          14.4               10.2 +/-    1.49      25.8 +/-    1.49  0.220 / 0.360
G10     78.2           52.3               10.0 +/-    1.25      12.2 +/-    1.25  0.050 / 0.060
G11     306.6          20.2               10.2 +/-    2.40      22.2 +/-    2.40  0.040 / 0.070
G14     282.1          68.0               11.2 +/-    0.66      12.0 +/-    0.66  0.140 / 0.190
G20     104.7          28.6               10.5 +/-    1.20      19.0 +/-    1.20  0.160 / 0.190
G27     225.2          10.3               12.9 +/-    2.74      35.6 +/-    2.74  0.190 / 0.320
G31     175.3          40.6               14.0 +/-    1.14      20.2 +/-    1.14  0.170 / 0.270
G32     6.3            68.4               10.6 +/-    0.52      11.4 +/-    0.52  0.030 / 0.040