PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-22:43:00
G02     62.9           30.4                9.6 +/-    0.63      16.7 +/-    0.63  0.040 / 0.050
G05     52.3           56.5                9.2 +/-    0.44      10.8 +/-    0.44  0.040 / 0.050
G12     181.9          25.4               13.6 +/-    2.55      26.4 +/-    2.55  0.040 / 0.160
G13     124.1          18.5               14.7 +/-    1.66      33.7 +/-    1.66  0.070 / 0.150
G15     162.8          15.1               18.1 +/-    2.23      44.9 +/-    2.23  0.140 / 0.130
G21     274.9          19.5               11.2 +/-    2.02      25.0 +/-    2.02  0.160 / 0.140
G25     229.8          48.2               12.8 +/-    0.72      16.5 +/-    0.72  0.080 / 0.320
G29     330.5          58.1               10.6 +/-    0.67      12.2 +/-    0.67  0.080 / 0.330