PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-16:12:50
G02     30.6           56.7                8.1 +/-    0.56       9.5 +/-    0.56  0.050 / 0.070
G05     142.6          61.7               10.5 +/-    1.29      11.8 +/-    1.29  0.040 / 0.050
G06     53.7           14.5                6.6 +/-    1.46      16.7 +/-    1.46  0.040 / 0.050
G12     196.7          67.7                6.8 +/-    1.03       7.3 +/-    1.03  0.040 / 0.040
G25     297.4          52.8                8.8 +/-    1.17      10.7 +/-    1.17  0.140 / 0.290
G29     307.0          27.7                5.3 +/-    1.06       9.8 +/-    1.06  0.080 / 0.230