PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-23:28:10
G01     92.8           31.2                9.1 +/-    1.28      15.6 +/-    1.28  0.040 / 0.040
G07     123.3          47.8               10.9 +/-    0.90      14.2 +/-    0.90  0.040 / 0.050
G08     42.4           12.3                5.3 +/-    2.90      14.2 +/-    2.90  0.060 / 0.080
G11     74.5           42.2                8.3 +/-    0.97      11.6 +/-    0.97  0.060 / 0.080
G13     297.7          34.8                7.1 +/-    3.89      11.3 +/-    3.89  0.400 / 0.150
G17     213.6          48.7                9.9 +/-    0.57      12.8 +/-    0.57  0.240 / 0.170
G19     213.7          25.0                9.6 +/-    1.26      18.7 +/-    1.26  0.040 / 0.050
G28     346.1          61.8                7.3 +/-    0.58       8.2 +/-    0.58  0.040 / 0.050
G30     102.9          74.3                9.6 +/-    0.52      10.0 +/-    0.52  0.030 / 0.040