PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-22:28:10
G02     31.2           56.6                9.2 +/-    1.28      10.8 +/-    1.28  0.040 / 0.050
G05     140.2          60.9               10.3 +/-    0.48      11.6 +/-    0.48  0.060 / 0.050
G06     52.2           17.8                8.4 +/-    1.74      19.6 +/-    1.74  0.060 / 0.050
G12     207.1          71.5                9.7 +/-    0.32      10.2 +/-    0.32  0.060 / 0.060
G19     98.6           9.7                10.8 +/-    1.55      30.3 +/-    1.55  0.030 / 0.040
G25     299.7          52.0               10.6 +/-    2.12      13.1 +/-    2.12  0.030 / 0.040
G29     306.9          28.4                9.1 +/-    1.66      16.5 +/-    1.66  0.170 / 0.290