PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-23:12:50
G01     318.5          18.9               10.8 +/-    2.30      24.5 +/-    2.30  0.050 / 0.080
G08     255.4          12.6               13.2 +/-    1.72      34.7 +/-    1.72  0.040 / 0.060
G10     80.7           53.4               11.5 +/-    0.99      14.0 +/-    0.99  0.130 / 0.250
G11     301.5          24.3               12.3 +/-    2.56      24.3 +/-    2.56  0.140 / 0.280
G14     304.0          71.3               11.3 +/-    0.99      11.8 +/-    0.99  0.100 / 0.340
G18     102.9          27.8               12.5 +/-    0.92      22.9 +/-    0.92  0.100 / 0.460
G22     300.8          10.5               -1.8 +/-    8.67      -4.9 +/-    8.67  0.040 / 0.060
G31     179.5          39.6               16.8 +/-    2.26      24.6 +/-    2.26  0.040 / 0.050
G32     2.8            68.2               11.7 +/-    0.45      12.5 +/-    0.45  0.030 / 0.030