PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-02:58:00
G02     41.3           47.8                6.3 +/-    0.94       8.2 +/-    0.94  0.060 / 0.050
G05     115.9          67.8                8.7 +/-    0.44       9.3 +/-    0.44  0.040 / 0.050
G06     57.3           12.5                4.0 +/-    2.54      10.5 +/-    2.54  0.040 / 0.030
G12     195.2          60.6                9.5 +/-    0.48      10.7 +/-    0.48  0.030 / 0.040
G25     280.1          58.3                3.4 +/-    2.30       4.0 +/-    2.30  0.030 / 0.030
G29     316.0          38.8                6.8 +/-    0.73      10.1 +/-    0.73  0.020 / 0.020