PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-07:58:00
G01     95.9           30.2                5.1 +/-    0.80       8.9 +/-    0.80  0.040 / 0.040
G07     120.6          48.7                4.7 +/-    0.55       6.1 +/-    0.55  0.040 / 0.040
G08     41.9           10.6                2.1 +/-    3.16       5.9 +/-    3.16  0.130 / 0.270
G11     74.6           40.5                2.9 +/-    0.94       4.2 +/-    0.94  0.130 / 0.240
G13     301.6          32.9                1.7 +/-    1.00       2.7 +/-    1.00  0.040 / 0.050
G17     210.8          50.4                5.3 +/-    0.89       6.6 +/-    0.89  0.030 / 0.040
G19     212.3          23.8                5.1 +/-    3.06      10.3 +/-    3.06  0.040 / 0.040
G28     340.4          61.8                2.1 +/-    0.48       2.3 +/-    0.48  0.030 / 0.040
G30     81.1           78.6                4.2 +/-    0.39       4.3 +/-    0.39  0.060 / 0.100