PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-19:43:00
G02     244.9          76.1               11.4 +/-    0.54      11.7 +/-    0.54  0.070 / 0.130
G05     170.9          17.2               15.6 +/-    1.12      36.9 +/-    1.12  0.120 / 0.170
G06     40.1           57.8               10.5 +/-    0.51      12.1 +/-    0.51  0.140 / 0.360
G12     320.9          50.8                9.1 +/-    0.97      11.4 +/-    0.97  0.180 / 0.260
G17     70.4           23.1                8.8 +/-    1.45      17.9 +/-    1.45  0.040 / 0.040
G19     58.4           36.9                8.7 +/-    0.73      13.3 +/-    0.73  0.030 / 0.040
G24     244.3          34.1               12.7 +/-    1.24      20.6 +/-    1.24  0.030 / 0.070
G25     316.4          12.5                8.6 +/-    2.15      22.6 +/-    2.15  0.030 / 0.070