PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-04:27:30
G01     118.6          18.1                6.7 +/-    1.09      15.5 +/-    1.09  0.100 / 0.380
G07     85.3           64.6                5.7 +/-    0.35       6.2 +/-    0.35  0.140 / 0.420
G08     43.9           28.5                2.8 +/-    0.52       5.0 +/-    0.52  0.030 / 0.040
G09     175.0          23.1                5.7 +/-    3.08      11.6 +/-    3.08  0.030 / 0.040
G11     103.7          40.4                6.9 +/-    0.50      10.0 +/-    0.50  0.040 / 0.030
G13     317.2          20.3                3.5 +/-    2.88       7.6 +/-    2.88  0.030 / 0.040
G17     200.6          27.6                7.0 +/-    2.14      13.0 +/-    2.14  0.050 / 0.090
G28     290.7          56.4                5.4 +/-    1.02       6.3 +/-    1.02  0.050 / 0.100
G30     344.1          68.1                2.8 +/-    0.67       3.0 +/-    0.67  0.040 / 0.070