PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-20:43:00
G01     115.8          19.7               13.0 +/-    0.98      28.7 +/-    0.98  0.030 / 0.030
G07     94.9           60.1               14.2 +/-    0.49      16.1 +/-    0.49  0.040 / 0.040
G08     43.4           27.3                9.0 +/-    1.54      16.8 +/-    1.54  0.040 / 0.070
G09     176.9          23.7               14.4 +/-    0.68      29.0 +/-    0.68  0.040 / 0.050
G11     100.4          41.5               14.3 +/-    0.49      20.2 +/-    0.49  0.090 / 0.160
G13     315.7          22.6                9.8 +/-    2.17      20.3 +/-    2.17  0.120 / 0.170
G17     201.5          29.1               15.0 +/-    1.23      26.8 +/-    1.23  0.070 / 0.200
G18     87.8           21.6               12.2 +/-    1.85      25.9 +/-    1.85  0.090 / 0.170
G28     292.3          56.2               12.6 +/-    1.54      14.8 +/-    1.54  0.040 / 0.030
G30     354.7          71.9               12.5 +/-    0.95      13.0 +/-    0.95  0.040 / 0.030