PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-16:43:00
G02     32.5           55.2                9.1 +/-    0.94      10.8 +/-    0.94  0.130 / 0.140
G05     137.7          63.9               11.1 +/-    0.80      12.2 +/-    0.80  0.070 / 0.190
G06     55.1           12.8                5.6 +/-    2.48      14.8 +/-    2.48  0.040 / 0.040
G12     194.6          65.2                9.0 +/-    0.46       9.9 +/-    0.46  0.040 / 0.040
G25     293.8          54.2                9.2 +/-    2.16      11.0 +/-    2.16  0.050 / 0.050
G29     308.8          29.6                8.9 +/-    1.35      15.7 +/-    1.35  0.040 / 0.040