PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-18:27:50
G01     273.7          41.1               10.6 +/-    1.04      15.1 +/-    1.04  0.060 / 0.050
G03     315.6          29.5                9.6 +/-    1.82      17.0 +/-    1.82  0.050 / 0.060
G10     128.6          19.0               11.1 +/-    0.85      25.1 +/-    0.85  0.100 / 0.180
G11     254.5          21.4               11.0 +/-    3.96      23.4 +/-    3.96  0.110 / 0.210
G14     40.0           51.9                8.0 +/-    0.67       9.9 +/-    0.67  0.060 / 0.110
G22     314.4          50.4                9.1 +/-    1.79      11.5 +/-    1.79  0.080 / 0.120
G25     54.6           17.6                8.9 +/-    0.36      20.7 +/-    0.36  0.050 / 0.090
G26     149.4          23.3               11.3 +/-    1.49      23.1 +/-    1.49  0.050 / 0.090
G31     60.5           75.8                9.1 +/-    1.45       9.3 +/-    1.45  0.030 / 0.020
G32     62.6           33.5                9.9 +/-    0.79      16.1 +/-    0.79  0.020 / 0.030