PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-07:12:50
G01     102.1          27.9                7.8 +/-    1.33      14.2 +/-    1.33  0.050 / 0.060
G07     113.9          53.5                6.6 +/-    0.32       8.0 +/-    0.32  0.080 / 0.050
G08     41.7           15.5                2.1 +/-    1.10       5.1 +/-    1.10  0.040 / 0.040
G11     82.3           41.7                5.9 +/-    0.58       8.4 +/-    0.58  0.030 / 0.040
G13     306.9          30.1                5.2 +/-    2.23       9.0 +/-    2.23  0.080 / 0.300
G17     207.6          44.4                9.1 +/-    0.60      12.3 +/-    0.60  0.100 / 0.230
G19     210.3          18.5                3.1 +/-    1.67       7.1 +/-    1.67  0.050 / 0.060
G28     328.8          61.6                3.9 +/-    1.18       4.3 +/-    1.18  0.040 / 0.050
G30     50.4           79.3                4.4 +/-    0.79       4.4 +/-    0.79  0.080 / 0.160