PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-23:57:40
G01     271.4          41.3                7.9 +/-    1.07      11.2 +/-    1.07  0.040 / 0.060
G03     315.6          27.9                4.4 +/-    1.28       8.1 +/-    1.28  0.040 / 0.050
G10     129.4          16.8                9.7 +/-    1.52      23.1 +/-    1.52  0.080 / 0.080
G11     249.5          20.1               10.9 +/-    2.02      24.0 +/-    2.02  0.050 / 0.080
G14     42.7           50.4                7.4 +/-    0.34       9.2 +/-    0.34  0.040 / 0.070
G18     232.2          39.0               11.3 +/-    0.88      16.7 +/-    0.88  0.040 / 0.060
G22     314.1          50.3                6.9 +/-    1.29       8.6 +/-    1.29  0.080 / 0.220
G25     49.9           14.8                5.1 +/-    0.93      12.7 +/-    0.93  0.080 / 0.230
G31     58.3           75.3                8.8 +/-    0.94       9.1 +/-    0.94  0.090 / 0.250
G32     63.9           32.4                7.1 +/-    0.63      11.9 +/-    0.63  0.070 / 0.220