PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-14:27:10
G02     39.7           49.1                4.9 +/-    1.12       6.3 +/-    1.12  0.030 / 0.040
G05     129.9          67.6                9.0 +/-    0.61       9.7 +/-    0.61  0.030 / 0.040
G12     188.5          57.8                8.8 +/-    0.68      10.3 +/-    0.68  0.060 / 0.040
G25     283.9          56.9                8.4 +/-    3.92       9.8 +/-    3.92  0.050 / 0.040
G29     312.3          33.3                6.1 +/-    0.95      10.1 +/-    0.95  0.040 / 0.040