PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-16:42:50
G01     107.5          25.4               11.1 +/-    0.97      21.6 +/-    0.97  0.020 / 0.080
G07     106.0          58.9               12.6 +/-    0.39      14.5 +/-    0.39  0.030 / 0.100
G08     42.1           21.7                8.7 +/-    1.20      18.4 +/-    1.20  0.030 / 0.040
G09     174.6          13.6               12.4 +/-    1.21      31.9 +/-    1.21  0.030 / 0.040
G11     90.0           42.9               11.6 +/-    0.29      16.1 +/-    0.29  0.030 / 0.110
G13     310.0          28.4               10.3 +/-    1.73      18.7 +/-    1.73  0.030 / 0.090
G17     206.2          35.6               12.5 +/-    1.74      19.6 +/-    1.74  0.060 / 0.160
G18     81.0           24.3               10.4 +/-    1.49      20.7 +/-    1.49  0.060 / 0.160
G28     317.1          60.9               10.8 +/-    0.64      12.2 +/-    0.64  0.060 / 0.080
G30     22.2           77.9               12.6 +/-    0.72      12.9 +/-    0.72  0.060 / 0.090