PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-19:43:00
G03     196.3          38.8               13.1 +/-    2.28      19.4 +/-    2.28  0.220 / 0.410
G07     270.9          25.2               13.0 +/-    1.69      25.4 +/-    1.69  0.200 / 0.440
G08     156.7          10.5               -4.7 +/-   47.63     -12.9 +/-   47.63  0.070 / 0.250
G09     317.2          41.7               10.8 +/-    2.28      15.3 +/-    2.28  0.070 / 0.230
G16     58.2           57.8               11.3 +/-    0.80      13.1 +/-    0.80  0.030 / 0.050
G22     182.0          23.5               11.9 +/-    1.76      24.0 +/-    1.76  0.040 / 0.060
G23     358.7          76.2               11.7 +/-    0.52      12.0 +/-    0.52  0.130 / 0.190
G26     44.4           28.5                6.7 +/-    1.17      12.2 +/-    1.17  0.120 / 0.180
G27     119.8          22.4               14.5 +/-    0.96      30.1 +/-    0.96  0.090 / 0.160