PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/04-22:13:10
G07     334.9          59.0               10.8 +/-    0.55      12.4 +/-    0.55  0.180 / 0.280
G08     99.5           50.5               11.9 +/-    0.53      14.9 +/-    0.53  0.160 / 0.380
G09     194.5          76.2                9.8 +/-    0.80      10.1 +/-    0.80  0.150 / 0.320
G11     145.8          12.5               10.8 +/-   10.74      28.4 +/-   10.74  0.120 / 0.230
G16     45.7           12.0                7.6 +/-    2.35      20.2 +/-    2.35  0.030 / 0.050
G23     155.4          46.4               12.7 +/-    1.72      16.8 +/-    1.72  0.030 / 0.050
G27     60.1           34.8                9.3 +/-    0.36      14.8 +/-    0.36  0.050 / 0.060
G28     234.4          24.6               13.6 +/-    5.44      26.8 +/-    5.44  0.050 / 0.080
G30     299.5          33.0               10.8 +/-    1.47      17.8 +/-    1.47  0.040 / 0.080