PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-02:58:10
G01     116.7          17.5                8.3 +/-    1.36      19.5 +/-    1.36  0.050 / 0.040
G07     79.5           66.8                5.0 +/-    0.65       5.4 +/-    0.65  0.030 / 0.040
G08     44.7           30.6                2.4 +/-    0.60       4.2 +/-    0.60  0.120 / 0.390
G09     173.7          22.5                6.4 +/-    2.26      13.2 +/-    2.26  0.120 / 0.420
G11     112.1          41.4                7.9 +/-    0.91      11.3 +/-    0.91  0.060 / 0.100
G13     317.2          20.7                4.2 +/-    2.05       9.0 +/-    2.05  0.060 / 0.080
G17     200.5          24.8                5.3 +/-    1.06      10.3 +/-    1.06  0.030 / 0.050
G28     280.4          51.0                5.4 +/-    0.89       6.7 +/-    0.89  0.030 / 0.040
G30     337.9          65.6                3.0 +/-    0.94       3.2 +/-    0.94  0.070 / 0.090