PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-11:12:20
G02     25.5           61.2                4.6 +/-    0.63       5.2 +/-    0.63  0.030 / 0.040
G05     156.4          51.6                8.8 +/-    0.63      10.9 +/-    0.63  0.040 / 0.040
G06     48.7           22.2                2.5 +/-    1.86       5.1 +/-    1.86  0.080 / 0.250
G12     203.8          75.9                6.5 +/-    0.32       6.7 +/-    0.32  0.090 / 0.220
G19     92.8           13.1                5.6 +/-    1.96      14.6 +/-    1.96  0.030 / 0.030
G25     307.8          46.2                5.0 +/-    0.96       6.6 +/-    0.96  0.030 / 0.030
G29     299.8          20.4                5.7 +/-    1.33      12.5 +/-    1.33  0.030 / 0.040