PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-05:58:10
G01     62.2           31.2                4.1 +/-    0.92       7.1 +/-    0.92  0.090 / 0.090
G06     181.1          12.3                0.4 +/-   11.14       1.0 +/-   11.14  0.070 / 0.110
G07     141.1          22.2                7.7 +/-    2.29      16.1 +/-    2.29  0.110 / 0.110
G11     48.3           23.9                3.9 +/-    1.94       7.8 +/-    1.94  0.070 / 0.130
G13     264.4          36.3                7.7 +/-    2.06      12.0 +/-    2.06  0.040 / 0.040
G15     297.4          15.5                0.4 +/-    1.26       1.0 +/-    1.26  0.040 / 0.030
G17     257.5          77.8                7.5 +/-    0.38       7.6 +/-    0.38  0.030 / 0.020
G19     229.9          46.4                8.0 +/-    1.98      10.5 +/-    1.98  0.030 / 0.040
G28     28.9           58.3                6.1 +/-    1.00       7.0 +/-    1.00  0.050 / 0.050
G30     142.6          56.0                8.5 +/-    0.81      10.0 +/-    0.81  0.030 / 0.050