PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-03:42:50
G01     316.1          23.5                8.1 +/-    2.13      16.4 +/-    2.13  0.040 / 0.080
G10     88.8           50.3                8.7 +/-    0.48      11.0 +/-    0.48  0.040 / 0.040
G11     294.9          27.5                7.6 +/-    1.72      14.1 +/-    1.72  0.120 / 0.350
G14     324.4          71.3                8.5 +/-    0.96       8.9 +/-    0.96  0.120 / 0.350
G18     106.9          25.4                7.9 +/-    0.83      15.4 +/-    0.83  0.100 / 0.180
G22     303.7          15.5                8.0 +/-    1.46      19.7 +/-    1.46  0.100 / 0.190
G25     91.2           11.3                6.8 +/-    1.99      18.5 +/-    1.99  0.050 / 0.060
G31     175.2          48.7                9.5 +/-    1.00      12.1 +/-    1.00  0.040 / 0.050
G32     15.5           63.8                6.8 +/-    0.57       7.4 +/-    0.57  0.120 / 0.390