PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-18:12:50
G01     283.2          41.1                9.1 +/-    5.26      13.0 +/-    5.26  0.050 / 0.060
G03     314.1          23.5                7.8 +/-    0.90      15.8 +/-    0.90  0.040 / 0.050
G10     124.1          24.6                9.7 +/-    2.23      19.2 +/-    2.23  0.050 / 0.060
G11     261.2          24.1                9.1 +/-    4.10      18.2 +/-    4.10  0.040 / 0.070
G14     31.1           55.9                8.5 +/-    0.94      10.1 +/-    0.94  0.070 / 0.080
G22     314.6          44.1                9.0 +/-    1.18      12.3 +/-    1.18  0.070 / 0.070
G25     61.3           18.8                9.0 +/-    2.07      20.4 +/-    2.07  0.080 / 0.130
G26     153.4          17.7               10.6 +/-    2.48      24.7 +/-    2.48  0.070 / 0.120
G31     92.3           79.9                9.0 +/-    0.46       9.1 +/-    0.46  0.020 / 0.030
G32     56.5           38.0                9.8 +/-    1.08      14.7 +/-    1.08  0.020 / 0.030