PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-13:57:30
G02     319.0          80.2                5.4 +/-    0.79       5.5 +/-    0.79  0.060 / 0.120
G05     167.9          28.4                8.6 +/-    1.54      15.6 +/-    1.54  0.070 / 0.120
G06     40.6           42.3                4.6 +/-    1.06       6.5 +/-    1.06  0.080 / 0.190
G12     316.0          68.9                2.5 +/-    1.17       2.7 +/-    1.17  0.110 / 0.180
G17     82.1           14.7                5.3 +/-    2.31      13.2 +/-    2.31  0.030 / 0.030
G19     72.4           27.3                4.6 +/-    0.45       8.6 +/-    0.45  0.030 / 0.040
G24     232.5          25.2                6.8 +/-    2.20      13.3 +/-    2.20  0.040 / 0.060
G25     317.3          24.7                5.4 +/-    3.08      10.5 +/-    3.08  0.050 / 0.050