PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-08:13:10
G01     123.0          14.9                5.5 +/-    2.61      13.8 +/-    2.61  0.030 / 0.040
G07     70.3           67.8                5.0 +/-    0.43       5.3 +/-    0.43  0.030 / 0.030
G08     46.3           33.4                4.3 +/-    0.79       7.0 +/-    0.79  0.100 / 0.220
G09     173.5          25.5               -7.9 +/-   27.80     -15.3 +/-   27.80  0.090 / 0.240
G11     110.7          38.2                6.8 +/-    0.87      10.2 +/-    0.87  0.020 / 0.030
G13     319.4          16.1                1.8 +/-    1.43       4.3 +/-    1.43  0.020 / 0.030
G17     199.9          21.7                6.5 +/-    1.30      13.7 +/-    1.30  0.100 / 0.380
G18     97.1           18.9                5.8 +/-    1.05      13.0 +/-    1.05  0.100 / 0.280
G28     283.0          54.7                6.9 +/-    0.79       8.2 +/-    0.79  0.080 / 0.140
G30     336.6          63.5                3.8 +/-    0.60       4.2 +/-    0.60  0.080 / 0.130