PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-18:27:50
G01     78.1           33.3               11.5 +/-    1.33      18.8 +/-    1.33  0.100 / 0.170
G07     133.6          36.9               13.3 +/-    0.30      20.4 +/-    0.30  0.070 / 0.210
G11     58.9           35.1               11.3 +/-    1.15      17.9 +/-    1.15  0.050 / 0.070
G13     282.3          37.8               12.4 +/-    1.33      18.8 +/-    1.33  0.050 / 0.070
G15     308.4          13.3               11.0 +/-    3.53      28.5 +/-    3.53  0.030 / 0.030
G17     224.2          60.9               13.0 +/-    1.83      14.7 +/-    1.83  0.030 / 0.030
G18     54.3           21.1               11.7 +/-    4.88      25.2 +/-    4.88  0.210 / 0.380
G19     220.1          34.6               14.3 +/-    1.66      22.9 +/-    1.66  0.120 / 0.360
G28     8.9            60.5               11.5 +/-    1.88      13.0 +/-    1.88  0.060 / 0.080
G30     127.8          67.1               13.5 +/-    0.46      14.5 +/-    0.46  0.060 / 0.100