PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-20:42:40
G01     278.2          41.8               10.2 +/-    1.18      14.4 +/-    1.18  0.040 / 0.050
G03     314.7          24.4                8.8 +/-    2.04      17.4 +/-    2.04  0.040 / 0.060
G10     126.3          20.6               15.0 +/-    0.84      32.5 +/-    0.84  0.060 / 0.060
G11     254.0          22.2               10.8 +/-    3.62      22.6 +/-    3.62  0.060 / 0.060
G14     37.5           52.9               11.7 +/-    1.71      14.3 +/-    1.71  0.130 / 0.170
G22     314.6          46.2               10.5 +/-    0.85      14.0 +/-    0.85  0.130 / 0.150
G25     52.5           15.0               17.0 +/-    1.65      42.4 +/-    1.65  0.030 / 0.020
G26     153.1          19.8               14.2 +/-    1.94      31.4 +/-    1.94  0.030 / 0.020
G31     88.0           80.9               12.3 +/-    0.48      12.4 +/-    0.48  0.070 / 0.070
G32     58.9           36.5                9.5 +/-    1.72      14.6 +/-    1.72  0.060 / 0.070