PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-01:12:50
G01     276.0          41.3                7.7 +/-    0.69      10.9 +/-    0.69  0.040 / 0.060
G03     314.8          24.4                7.6 +/-    1.30      15.0 +/-    1.30  0.040 / 0.060
G10     127.4          20.9                8.5 +/-    0.79      18.3 +/-    0.79  0.020 / 0.030
G11     253.0          22.6                7.6 +/-    1.91      15.8 +/-    1.91  0.030 / 0.030
G14     40.2           51.4                4.4 +/-    0.62       5.4 +/-    0.62  0.080 / 0.220
G22     314.4          47.1                5.7 +/-    1.44       7.5 +/-    1.44  0.100 / 0.220
G25     54.3           16.9                4.4 +/-    1.01      10.5 +/-    1.01  0.060 / 0.070
G26     154.6          19.5               11.3 +/-    2.02      25.2 +/-    2.02  0.060 / 0.100
G31     80.3           81.1                7.0 +/-    0.54       7.1 +/-    0.54  0.040 / 0.060
G32     58.9           37.4                4.3 +/-    0.89       6.5 +/-    0.89  0.040 / 0.060