PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-01:43:00
G01     245.2          32.2               10.5 +/-    1.30      17.6 +/-    1.30  0.060 / 0.100
G03     314.6          47.2                5.5 +/-    1.14       7.2 +/-    1.14  0.090 / 0.120
G14     66.6           36.6                5.1 +/-    0.35       7.9 +/-    0.35  0.030 / 0.030
G16     164.5          20.4               10.4 +/-    0.88      22.7 +/-    0.88  0.040 / 0.040
G22     297.1          69.6                7.3 +/-    1.08       7.7 +/-    1.08  0.070 / 0.260
G23     290.0          21.3                8.9 +/-    1.74      19.0 +/-    1.74  0.060 / 0.250
G26     137.0          40.8                9.6 +/-    0.77      13.8 +/-    0.77  0.030 / 0.040
G31     38.8           57.9                5.0 +/-    0.36       5.7 +/-    0.36  0.030 / 0.040
G32     80.7           21.9                4.6 +/-    0.78       9.7 +/-    0.78  0.060 / 0.140