PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-11:43:10
G02     31.6           56.1                4.0 +/-    0.54       4.7 +/-    0.54  0.020 / 0.030
G05     150.3          58.0                7.0 +/-    0.96       8.1 +/-    0.96  0.030 / 0.040
G06     51.9           17.1                1.4 +/-    1.32       3.3 +/-    1.32  0.030 / 0.040
G12     193.2          69.0                5.5 +/-    0.69       5.9 +/-    0.69  0.030 / 0.040
G25     301.0          51.2                3.4 +/-    0.52       4.2 +/-    0.52  0.040 / 0.060
G29     304.5          25.0                4.2 +/-    1.74       8.2 +/-    1.74  0.040 / 0.040