PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-18:13:10
G01     88.3           32.3               17.0 +/-    1.20      28.5 +/-    1.20  0.050 / 0.060
G07     127.0          44.5               18.3 +/-    0.95      24.8 +/-    0.95  0.060 / 0.050
G11     67.4           39.5               17.6 +/-    1.74      25.8 +/-    1.74  0.020 / 0.030
G13     292.8          36.4               18.5 +/-    3.14      28.5 +/-    3.14  0.020 / 0.030
G17     216.2          52.6               20.7 +/-    1.17      25.4 +/-    1.17  0.130 / 0.110
G18     62.4           23.7               17.3 +/-    1.33      34.9 +/-    1.33  0.120 / 0.080
G19     215.6          26.9               19.7 +/-    1.67      36.8 +/-    1.67  0.090 / 0.140
G28     352.7          61.6               16.5 +/-    0.53      18.5 +/-    0.53  0.070 / 0.140
G30     110.0          74.4               18.2 +/-    0.79      18.9 +/-    0.79  0.090 / 0.160