PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-05:43:10
G01     107.3          25.3                6.0 +/-    0.53      11.7 +/-    0.53  0.030 / 0.030
G07     107.6          56.7                6.7 +/-    0.61       7.8 +/-    0.61  0.030 / 0.030
G08     41.5           18.1                2.3 +/-    0.99       5.3 +/-    0.99  0.030 / 0.040
G09     172.8          11.3                3.4 +/-    1.07       9.2 +/-    1.07  0.030 / 0.040
G11     87.0           42.5                6.5 +/-    0.38       9.1 +/-    0.38  0.090 / 0.190
G13     309.6          28.9                4.0 +/-    1.48       7.2 +/-    1.48  0.080 / 0.180
G17     204.6          40.1                7.8 +/-    1.68      11.3 +/-    1.68  0.050 / 0.090
G19     209.3          10.3               -3.6 +/-    4.83      -9.9 +/-    4.83  0.040 / 0.070
G28     313.7          60.3                5.0 +/-    0.84       5.6 +/-    0.84  0.040 / 0.060
G30     13.9           77.5                5.8 +/-    0.70       6.0 +/-    0.70  0.040 / 0.060