PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-06:43:00
G01     110.3          23.7                7.2 +/-    1.62      14.5 +/-    1.62  0.040 / 0.050
G07     101.7          59.8                7.0 +/-    0.65       7.9 +/-    0.65  0.040 / 0.060
G08     42.2           22.4                3.2 +/-    1.67       6.6 +/-    1.67  0.030 / 0.040
G09     175.5          16.8                8.6 +/-    1.45      20.4 +/-    1.45  0.030 / 0.040
G11     93.7           41.7                7.9 +/-    0.56      11.2 +/-    0.56  0.080 / 0.150
G13     313.1          25.0                4.6 +/-    2.14       9.0 +/-    2.14  0.070 / 0.150
G17     204.2          35.9                9.1 +/-    2.65      14.2 +/-    2.65  0.050 / 0.080
G19     208.0          11.1                1.5 +/-   12.41       4.0 +/-   12.41  0.040 / 0.080
G28     312.4          60.5                4.9 +/-    0.55       5.6 +/-    0.55  0.100 / 0.190
G30     12.5           76.0                7.4 +/-    0.63       7.6 +/-    0.63  0.110 / 0.180