PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-03:57:40
G01     89.3           30.5                6.9 +/-    0.59      12.0 +/-    0.59  0.020 / 0.030
G07     123.5          47.2                6.7 +/-    1.27       8.7 +/-    1.27  0.030 / 0.030
G11     74.0           44.0                5.9 +/-    0.86       8.1 +/-    0.86  0.080 / 0.120
G13     295.3          37.0                6.2 +/-    0.92       9.5 +/-    0.92  0.090 / 0.120
G15     314.3          11.1                0.1 +/-   12.92       0.2 +/-   12.92  0.050 / 0.090
G17     211.6          52.6                8.8 +/-    1.11      10.8 +/-    1.11  0.040 / 0.070
G19     212.6          27.9                5.1 +/-    1.40       9.4 +/-    1.40  0.030 / 0.060
G28     326.8          60.4                4.7 +/-    1.08       5.3 +/-    1.08  0.030 / 0.060
G30     84.1           80.9                4.2 +/-    0.48       4.2 +/-    0.48  0.040 / 0.060