PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-18:42:40
G08     318.7          12.9               13.6 +/-    2.51      35.6 +/-    2.51  0.060 / 0.060
G10     308.5          54.9               14.0 +/-    1.28      16.8 +/-    1.28  0.050 / 0.050
G14     212.6          19.7               18.6 +/-    2.66      41.3 +/-    2.66  0.040 / 0.040
G15     45.4           20.3               14.1 +/-    2.29      30.9 +/-    2.29  0.030 / 0.030
G18     18.4           63.6               15.1 +/-    0.82      16.7 +/-    0.82  0.090 / 0.090
G20     76.5           14.5               13.4 +/-    2.52      33.7 +/-    2.52  0.090 / 0.080
G21     119.0          64.0               18.6 +/-    0.82      20.4 +/-    0.82  0.110 / 0.330
G24     90.2           29.1               16.5 +/-    2.16      29.3 +/-    2.16  0.150 / 0.350
G27     289.6          37.4               12.8 +/-    2.16      19.4 +/-    2.16  0.380 / 0.390
G32     214.9          38.2               17.7 +/-    1.11      26.5 +/-    1.11  0.100 / 0.350