PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-11:12:30
G02     33.5           54.9                5.5 +/-    0.55       6.6 +/-    0.55  0.090 / 0.400
G05     141.5          62.4                8.9 +/-    1.01      10.0 +/-    1.01  0.120 / 0.330
G06     53.8           16.1                3.1 +/-    0.88       7.4 +/-    0.88  0.040 / 0.050
G12     198.2          67.1                3.6 +/-    1.37       3.8 +/-    1.37  0.040 / 0.040
G19     100.0          10.9                6.2 +/-    2.37      16.9 +/-    2.37  0.030 / 0.040
G25     287.7          59.0                5.1 +/-    1.42       5.8 +/-    1.42  0.030 / 0.040
G29     308.7          29.9                3.9 +/-    1.02       6.8 +/-    1.02  0.070 / 0.120