PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-04:43:10
G01     110.3          23.6                7.1 +/-    2.36      14.4 +/-    2.36  0.080 / 0.210
G07     103.0          58.8                6.5 +/-    0.50       7.5 +/-    0.50  0.090 / 0.190
G08     41.8           20.7                2.4 +/-    1.07       5.2 +/-    1.07  0.030 / 0.030
G09     173.7          14.6                6.5 +/-    1.45      16.3 +/-    1.45  0.040 / 0.030
G11     91.2           42.3                6.5 +/-    0.50       9.2 +/-    0.50  0.030 / 0.050
G13     311.9          26.9                2.8 +/-    1.16       5.2 +/-    1.16  0.030 / 0.050
G17     203.4          37.0                8.2 +/-    1.00      12.6 +/-    1.00  0.040 / 0.060
G28     307.3          59.5                5.2 +/-    0.82       6.0 +/-    0.82  0.040 / 0.070
G30     3.7            75.4                5.3 +/-    0.64       5.5 +/-    0.64  0.040 / 0.080