PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-04:13:00
G01     108.3          23.0                8.3 +/-    1.15      17.0 +/-    1.15  0.040 / 0.030
G07     100.2          61.0                6.6 +/-    0.96       7.4 +/-    0.96  0.030 / 0.040
G08     42.2           23.0                3.3 +/-    0.97       6.7 +/-    0.97  0.060 / 0.110
G09     172.9          14.3                6.9 +/-    1.77      17.6 +/-    1.77  0.060 / 0.130
G11     98.7           44.6                6.9 +/-    0.96       9.3 +/-    0.96  0.070 / 0.080
G13     311.7          27.6                3.9 +/-    2.03       7.2 +/-    2.03  0.050 / 0.080
G17     203.2          34.1                7.0 +/-    1.80      11.3 +/-    1.80  0.040 / 0.070
G19     206.9          11.7                1.2 +/-   11.65       3.3 +/-   11.65  0.050 / 0.070
G28     295.5          55.5                4.8 +/-    0.98       5.7 +/-    0.98  0.230 / 0.280
G30     354.3          73.9                6.3 +/-    0.53       6.5 +/-    0.53  0.180 / 0.250