PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-07:12:40
G01     107.9          25.1                5.4 +/-    0.97      10.5 +/-    0.97  0.030 / 0.040
G07     105.9          57.8                5.0 +/-    0.50       5.8 +/-    0.50  0.040 / 0.040
G08     41.9           20.1                2.1 +/-    1.86       4.6 +/-    1.86  0.040 / 0.030
G09     174.9          14.4                3.2 +/-    2.10       8.1 +/-    2.10  0.030 / 0.040
G11     90.0           41.8                4.9 +/-    0.82       7.0 +/-    0.82  0.070 / 0.070
G13     311.4          26.6                2.5 +/-    2.11       4.7 +/-    2.11  0.090 / 0.060
G17     205.1          38.6                6.3 +/-    0.69       9.4 +/-    0.69  0.080 / 0.160
G19     208.6          13.4                3.5 +/-    3.03       9.0 +/-    3.03  0.090 / 0.140
G28     317.4          60.9                2.8 +/-    0.78       3.1 +/-    0.78  0.140 / 0.230
G30     21.2           77.3                5.1 +/-    0.60       5.3 +/-    0.60  0.140 / 0.170