PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-09:28:10
G02     280.9          81.7                4.9 +/-    1.02       4.9 +/-    1.02  0.060 / 0.200
G05     171.3          20.0                4.6 +/-    0.88      10.1 +/-    0.88  0.070 / 0.190
G06     39.6           51.2                3.8 +/-    0.36       4.7 +/-    0.36  0.030 / 0.040
G12     321.3          61.8                4.9 +/-    1.82       5.5 +/-    1.82  0.030 / 0.040
G17     75.9           17.9                4.1 +/-    0.91       9.5 +/-    0.91  0.040 / 0.030
G19     64.4           32.5                4.8 +/-    0.85       8.0 +/-    0.85  0.030 / 0.030
G24     240.2          30.8                7.2 +/-    0.84      12.3 +/-    0.84  0.090 / 0.100
G25     317.0          17.7                4.2 +/-    1.63       9.9 +/-    1.63  0.090 / 0.090