PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-14:58:10
G02     31.7           55.8                8.3 +/-    1.13       9.9 +/-    1.13  0.030 / 0.030
G05     144.6          61.3               10.7 +/-    0.65      12.0 +/-    0.65  0.030 / 0.030
G06     53.7           14.6                6.4 +/-    1.71      16.2 +/-    1.71  0.120 / 0.160
G12     195.1          67.3                8.6 +/-    0.48       9.2 +/-    0.48  0.160 / 0.180
G25     297.5          52.8                8.3 +/-    2.79      10.2 +/-    2.79  0.030 / 0.030
G29     306.8          27.4                6.9 +/-    1.71      12.7 +/-    1.71  0.030 / 0.030