PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-19:12:30
G02     28.3           59.1                8.9 +/-    1.00      10.2 +/-    1.00  0.030 / 0.040
G05     143.6          60.1               11.0 +/-    0.66      12.5 +/-    0.66  0.040 / 0.040
G06     53.2           15.6                6.8 +/-    1.44      16.6 +/-    1.44  0.030 / 0.040
G12     191.9          67.3                8.9 +/-    0.44       9.5 +/-    0.44  0.030 / 0.040
G19     97.0           13.9                9.3 +/-    2.24      23.9 +/-    2.24  0.050 / 0.060
G25     299.4          52.7                8.5 +/-    1.64      10.4 +/-    1.64  0.050 / 0.040
G29     305.1          25.1                8.2 +/-    1.17      16.0 +/-    1.17  0.190 / 0.230