PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-14:57:30
G01     315.5          24.6                7.1 +/-    2.06      14.1 +/-    2.06  0.200 / 0.130
G10     91.7           48.6                8.1 +/-    1.03      10.3 +/-    1.03  0.120 / 0.120
G11     297.9          24.5                6.4 +/-    1.77      12.6 +/-    1.77  0.030 / 0.040
G14     318.5          70.4                7.1 +/-    0.50       7.5 +/-    0.50  0.040 / 0.040
G22     305.2          18.2                7.2 +/-    1.62      16.5 +/-    1.62  0.170 / 0.170
G25     94.5           12.2                9.9 +/-    1.91      26.4 +/-    1.91  0.140 / 0.240
G31     172.7          52.3                9.9 +/-    0.62      12.1 +/-    0.62  0.030 / 0.060
G32     22.8           60.6                7.4 +/-    0.68       8.4 +/-    0.68  0.030 / 0.040