PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-04:43:00
G07     318.7          52.8                5.0 +/-    1.72       6.0 +/-    1.72  0.110 / 0.200
G08     118.7          46.5                7.5 +/-    0.80       9.9 +/-    0.80  0.080 / 0.180
G09     221.6          83.3                6.2 +/-    0.41       6.2 +/-    0.41  0.050 / 0.070
G16     43.9           14.7                2.0 +/-    1.07       4.9 +/-    1.07  0.040 / 0.060
G23     150.3          53.5                5.6 +/-    0.72       6.8 +/-    0.72  0.030 / 0.050
G27     68.2           36.0                5.0 +/-    0.53       7.7 +/-    0.53  0.030 / 0.050
G28     227.9          12.9                3.8 +/-    3.49      10.1 +/-    3.49  0.170 / 0.410
G30     291.7          25.7                6.0 +/-    1.22      11.5 +/-    1.22  0.140 / 0.380