PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-11:12:50
G01     115.3          19.4                5.7 +/-    0.60      12.8 +/-    0.60  0.050 / 0.060
G07     91.5           62.4                4.5 +/-    0.57       5.1 +/-    0.57  0.040 / 0.070
G08     45.0           32.9                2.5 +/-    0.95       4.1 +/-    0.95  0.090 / 0.190
G09     176.6          23.7                4.4 +/-    1.22       8.8 +/-    1.22  0.150 / 0.170
G11     103.6          42.1                5.9 +/-    0.44       8.4 +/-    0.44  0.030 / 0.040
G13     315.7          22.8                0.0 +/-    3.27       0.0 +/-    3.27  0.020 / 0.040
G17     202.9          23.2                3.9 +/-    1.71       8.0 +/-    1.71  0.040 / 0.090
G18     90.3           21.8                3.8 +/-    0.87       7.9 +/-    0.87  0.040 / 0.090
G28     288.0          54.3                4.4 +/-    1.04       5.3 +/-    1.04  0.070 / 0.210
G30     351.6          71.2                4.0 +/-    0.46       4.2 +/-    0.46  0.080 / 0.220