PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-04:12:50
G01     270.6          40.9                8.8 +/-    1.43      12.7 +/-    1.43  0.050 / 0.060
G03     315.5          27.2                5.7 +/-    1.13      10.7 +/-    1.13  0.040 / 0.050
G10     129.7          18.0                9.3 +/-    1.26      21.6 +/-    1.26  0.050 / 0.090
G11     248.4          21.1                9.5 +/-    1.86      20.3 +/-    1.86  0.060 / 0.080
G14     45.0           48.8                7.9 +/-    0.70      10.2 +/-    0.70  0.060 / 0.100
G22     314.1          51.3                8.2 +/-    1.00      10.2 +/-    1.00  0.060 / 0.090
G25     49.5           15.0                6.9 +/-    1.78      17.1 +/-    1.78  0.070 / 0.260
G26     150.5          23.6               10.1 +/-    1.67      20.4 +/-    1.67  0.070 / 0.180
G31     57.3           76.0                8.4 +/-    1.06       8.7 +/-    1.06  0.050 / 0.080
G32     62.7           34.5                6.0 +/-    1.05       9.5 +/-    1.05  0.040 / 0.070