PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-11:12:50
G01     110.5          23.5                5.4 +/-    1.69      10.9 +/-    1.69  0.030 / 0.020
G07     101.1          60.6                5.0 +/-    0.82       5.7 +/-    0.82  0.030 / 0.020
G08     41.9           21.0                2.9 +/-    2.99       6.1 +/-    2.99  0.030 / 0.030
G09     173.7          14.5                3.7 +/-    1.44       9.3 +/-    1.44  0.040 / 0.040
G11     91.9           42.1                5.3 +/-    1.00       7.4 +/-    1.00  0.090 / 0.150
G13     312.1          26.6                2.7 +/-    1.48       5.0 +/-    1.48  0.070 / 0.140
G17     203.7          36.1                6.6 +/-    1.11      10.3 +/-    1.11  0.080 / 0.140
G18     83.4           23.4                4.5 +/-    2.12       9.1 +/-    2.12  0.070 / 0.120
G28     310.0          60.2                2.3 +/-    1.16       2.6 +/-    1.16  0.100 / 0.160
G30     1.8            75.0                5.2 +/-    0.46       5.3 +/-    0.46  0.080 / 0.140