PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-06:42:50
G01     112.1          22.6                7.6 +/-    1.18      15.7 +/-    1.18  0.040 / 0.040
G07     98.4           61.0                6.9 +/-    0.67       7.8 +/-    0.67  0.050 / 0.060
G08     42.6           24.0                3.5 +/-    2.06       7.0 +/-    2.06  0.030 / 0.030
G09     175.8          18.5                5.0 +/-    1.13      11.4 +/-    1.13  0.030 / 0.030
G11     96.2           41.4                7.7 +/-    0.72      10.9 +/-    0.72  0.060 / 0.100
G13     314.3          23.7                4.1 +/-    1.52       8.2 +/-    1.52  0.060 / 0.120
G17     203.5          34.1                7.3 +/-    1.33      11.8 +/-    1.33  0.070 / 0.090
G28     308.7          60.1                5.7 +/-    1.15       6.4 +/-    1.15  0.060 / 0.070
G30     6.3            74.7                6.6 +/-    0.36       6.8 +/-    0.36  0.120 / 0.160