PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-08:58:00
G01     62.5           30.6                3.8 +/-    0.83       6.6 +/-    0.83  0.030 / 0.040
G06     179.8          12.0                4.1 +/-    1.50      10.8 +/-    1.50  0.040 / 0.070
G07     140.0          24.6                6.2 +/-    1.40      12.3 +/-    1.40  0.030 / 0.030
G11     50.6           28.9                4.0 +/-    1.38       7.2 +/-    1.38  0.030 / 0.040
G13     265.6          37.5                7.9 +/-    2.08      12.0 +/-    2.08  0.060 / 0.110
G15     296.8          16.2                4.0 +/-    1.92       9.8 +/-    1.92  0.060 / 0.110
G17     242.9          72.7                8.2 +/-    0.62       8.6 +/-    0.62  0.050 / 0.120
G19     228.1          49.5                8.6 +/-    1.07      10.9 +/-    1.07  0.060 / 0.130
G28     15.0           60.6                4.6 +/-    0.72       5.2 +/-    0.72  0.040 / 0.060
G30     141.6          58.7                7.6 +/-    0.48       8.7 +/-    0.48  0.040 / 0.060