PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-08:12:40
G01     76.3           33.2                3.7 +/-    0.80       6.1 +/-    0.80  0.030 / 0.050
G07     134.5          34.2                6.7 +/-    1.19      10.8 +/-    1.19  0.030 / 0.060
G11     57.3           33.0                2.7 +/-    0.96       4.5 +/-    0.96  0.040 / 0.080
G13     282.4          37.1                5.0 +/-    1.30       7.6 +/-    1.30  0.040 / 0.060
G15     306.6          14.4                1.4 +/-    2.18       3.6 +/-    2.18  0.110 / 0.240
G17     226.6          66.6                6.9 +/-    1.18       7.4 +/-    1.18  0.120 / 0.310
G19     221.0          39.2                5.9 +/-    1.32       8.8 +/-    1.32  0.040 / 0.050
G28     12.3           60.0                3.1 +/-    0.71       3.5 +/-    0.71  0.030 / 0.040
G30     129.0          66.0                5.0 +/-    0.89       5.5 +/-    0.89  0.060 / 0.110