PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-21:57:20
G02     37.3           51.9               14.3 +/-    0.78      17.6 +/-    0.78  0.040 / 0.030
G05     126.0          66.4               15.9 +/-    0.82      17.2 +/-    0.82  0.040 / 0.030
G06     57.4           10.3               11.3 +/-    1.74      31.4 +/-    1.74  0.040 / 0.050
G12     189.5          59.5               16.3 +/-    0.49      18.6 +/-    0.49  0.050 / 0.050
G19     103.7          8.4                16.8 +/-    2.66      48.4 +/-    2.66  0.040 / 0.060
G25     287.4          56.6               16.8 +/-    2.72      19.7 +/-    2.72  0.040 / 0.060
G29     310.6          31.1               13.7 +/-    2.27      23.4 +/-    2.27  0.120 / 0.340