PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-18:43:00
G03     184.9          10.4               19.1 +/-    2.28      53.0 +/-    2.28  0.040 / 0.090
G07     299.9          42.5               11.7 +/-    1.19      16.4 +/-    1.19  0.040 / 0.080
G08     138.7          34.6               16.5 +/-    0.94      26.4 +/-    0.94  0.030 / 0.040
G09     315.1          71.8               12.6 +/-    0.49      13.1 +/-    0.49  0.040 / 0.050
G16     41.6           29.1               10.6 +/-    0.86      18.9 +/-    0.86  0.030 / 0.030
G23     137.2          66.4               15.2 +/-    0.76      16.4 +/-    0.76  0.030 / 0.030
G27     86.4           36.6               12.3 +/-    0.78      19.0 +/-    0.78  0.150 / 0.420
G30     282.1          20.5               10.7 +/-    1.57      23.3 +/-    1.57  0.160 / 0.290