PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-10:27:40
G05     49.3           15.2                1.7 +/-    1.75       4.1 +/-    1.75  0.120 / 0.300
G10     236.6          12.4                3.8 +/-    2.54      10.0 +/-    2.54  0.120 / 0.240
G13     75.8           36.9                3.3 +/-    1.05       5.1 +/-    1.05  0.040 / 0.040
G15     120.3          52.8                5.6 +/-    0.74       6.8 +/-    0.74  0.050 / 0.050
G16     314.9          11.7                2.7 +/-    3.01       7.3 +/-    3.01  0.040 / 0.070
G20     18.2           70.9                4.7 +/-    0.95       5.0 +/-    0.95  0.040 / 0.060
G21     315.6          49.3                3.1 +/-    0.79       3.9 +/-    0.79  0.190 / 0.440
G25     199.7          10.6                2.5 +/-   16.74       7.0 +/-   16.74  0.180 / 0.420
G26     287.0          20.3                4.0 +/-    2.18       8.8 +/-    2.18  0.290 / 0.600
G29     155.1          69.7                6.5 +/-    1.01       6.8 +/-    1.01  0.270 / 0.440