PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-00:12:50
G01     101.7          28.2               10.3 +/-    2.12      18.7 +/-    2.12  0.050 / 0.040
G07     114.1          54.5               10.2 +/-    0.49      12.3 +/-    0.49  0.040 / 0.050
G08     42.0           18.3                6.5 +/-    0.74      15.0 +/-    0.74  0.040 / 0.060
G09     174.5          10.0               11.3 +/-    1.58      31.6 +/-    1.58  0.040 / 0.080
G11     85.6           43.7                8.2 +/-    0.42      11.2 +/-    0.42  0.080 / 0.120
G13     305.8          31.0                7.5 +/-    1.92      12.8 +/-    1.92  0.090 / 0.140
G17     208.8          41.3               11.8 +/-    1.22      16.9 +/-    1.22  0.090 / 0.150
G19     210.6          17.9                9.9 +/-    3.65      22.9 +/-    3.65  0.090 / 0.130
G28     329.9          61.7                7.3 +/-    0.86       8.2 +/-    0.86  0.030 / 0.080
G30     72.1           77.7                9.8 +/-    0.63      10.0 +/-    0.63  0.030 / 0.070