PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-22:12:50
G01     286.4          40.8                2.1 +/-    1.32       3.0 +/-    1.32  0.060 / 0.090
G03     312.9          19.1                8.4 +/-    1.51      18.8 +/-    1.51  0.060 / 0.080
G10     122.2          26.7               10.3 +/-    1.29      19.3 +/-    1.29  0.050 / 0.070
G11     261.7          25.4               10.3 +/-    5.38      19.9 +/-    5.38  0.050 / 0.070
G14     29.8           56.4                8.7 +/-    0.91      10.2 +/-    0.91  0.030 / 0.020
G22     314.1          40.5                7.7 +/-    1.00      11.1 +/-    1.00  0.030 / 0.020
G25     62.7           18.6                8.1 +/-    1.30      18.4 +/-    1.30  0.080 / 0.160
G26     157.0          14.6               11.9 +/-    1.68      29.9 +/-    1.68  0.070 / 0.150
G31     126.7          80.7               10.3 +/-    0.63      10.4 +/-    0.63  0.080 / 0.060
G32     53.1           41.0                7.2 +/-    1.60      10.4 +/-    1.60  0.050 / 0.060