PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-20:58:00
G03     197.0          38.9               10.5 +/-    2.18      15.5 +/-    2.18  0.200 / 0.360
G07     271.5          25.7               10.8 +/-    1.01      20.9 +/-    1.01  0.150 / 0.290
G08     155.6          11.3               11.0 +/-   23.03      29.7 +/-   23.03  0.070 / 0.220
G09     317.4          42.3                7.0 +/-    2.26       9.8 +/-    2.26  0.080 / 0.220
G16     57.9           58.0                8.8 +/-    0.62      10.2 +/-    0.62  0.090 / 0.160
G22     182.4          23.6                9.7 +/-    2.13      19.7 +/-    2.13  0.080 / 0.160
G23     357.6          76.3                7.1 +/-    0.51       7.3 +/-    0.51  0.040 / 0.050
G26     44.3           28.5                5.4 +/-    0.63       9.7 +/-    0.63  0.040 / 0.040
G27     119.1          22.8               12.6 +/-    1.27      25.8 +/-    1.27  0.040 / 0.040