PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-04:58:10
G01     105.4          26.2                6.7 +/-    1.16      12.8 +/-    1.16  0.100 / 0.170
G07     110.5          55.0                6.6 +/-    0.41       7.9 +/-    0.41  0.070 / 0.140
G08     41.4           16.5                2.1 +/-    0.80       5.1 +/-    0.80  0.030 / 0.040
G09     172.8          10.1                4.9 +/-    2.08      13.7 +/-    2.08  0.040 / 0.040
G11     84.3           42.4                6.4 +/-    0.46       9.0 +/-    0.46  0.030 / 0.030
G13     308.1          30.1                3.3 +/-    2.32       5.7 +/-    2.32  0.020 / 0.030
G17     205.3          42.2                6.9 +/-    1.45       9.7 +/-    1.45  0.050 / 0.060
G19     209.7          12.3                5.3 +/-    3.46      14.0 +/-    3.46  0.060 / 0.050
G28     317.1          60.6                5.3 +/-    0.72       6.0 +/-    0.72  0.040 / 0.060
G30     22.5           78.7                6.2 +/-    0.52       6.3 +/-    0.52  0.040 / 0.060