PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-03:13:00
G01     97.5           29.7                8.1 +/-    0.74      14.3 +/-    0.74  0.040 / 0.040
G07     118.9          50.9                7.3 +/-    0.48       9.1 +/-    0.48  0.040 / 0.050
G08     41.9           13.5                3.3 +/-    3.00       8.4 +/-    3.00  0.030 / 0.040
G11     78.6           42.3                6.3 +/-    1.15       8.8 +/-    1.15  0.030 / 0.030
G13     302.5          32.7                5.0 +/-    1.65       8.2 +/-    1.65  0.080 / 0.460
G17     210.5          47.0               11.4 +/-    0.61      15.0 +/-    0.61  0.220 / 0.360
G19     211.9          22.0                7.9 +/-    1.99      16.5 +/-    1.99  0.030 / 0.040
G28     337.8          61.9                5.7 +/-    0.60       6.4 +/-    0.60  0.040 / 0.050
G30     85.8           77.0                7.0 +/-    0.26       7.1 +/-    0.26  0.060 / 0.100