PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/15-13:57:30
G01     84.4           32.6                6.1 +/-    0.49      10.1 +/-    0.49  0.030 / 0.030
G07     129.6          38.4                6.5 +/-    0.74       9.7 +/-    0.74  0.030 / 0.030
G11     62.2           35.2                3.8 +/-    0.66       6.0 +/-    0.66  0.030 / 0.090
G13     291.4          36.0                7.7 +/-    1.28      12.0 +/-    1.28  0.050 / 0.080
G15     314.2          10.4               -7.8 +/-   15.78     -21.6 +/-   15.78  0.050 / 0.110
G17     218.2          60.9                9.2 +/-    0.72      10.3 +/-    0.72  0.040 / 0.110
G19     216.8          33.2              -46.0 +/-   43.51     -75.5 +/-   43.51  0.040 / 0.040
G28     358.5          61.2                0.9 +/-    3.20       1.0 +/-    3.20  0.030 / 0.040
G30     113.1          74.6                6.6 +/-    0.68       6.8 +/-    0.68  0.080 / 0.070