PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-11:28:10
G02     25.1           61.5                4.5 +/-    0.54       5.1 +/-    0.54  0.020 / 0.030
G05     156.9          51.3                8.3 +/-    0.71      10.3 +/-    0.71  0.030 / 0.030
G06     48.6           22.3                2.7 +/-    0.84       5.6 +/-    0.84  0.030 / 0.050
G12     205.1          76.1                5.6 +/-    0.52       5.7 +/-    0.52  0.040 / 0.050
G19     92.6           13.2                5.5 +/-    1.26      14.4 +/-    1.26  0.030 / 0.040
G25     308.0          46.0                3.6 +/-    0.41       4.7 +/-    0.41  0.030 / 0.040
G29     299.7          20.3                4.9 +/-    1.72      10.7 +/-    1.72  0.110 / 0.200