PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-11:27:50
G08     312.9          17.7                3.6 +/-    2.09       8.5 +/-    2.09  0.040 / 0.040
G10     323.7          58.7                4.0 +/-    0.62       4.6 +/-    0.62  0.050 / 0.040
G14     215.1          26.8                5.6 +/-    2.25      10.5 +/-    2.25  0.030 / 0.030
G15     46.1           14.1                1.0 +/-    1.61       2.6 +/-    1.61  0.040 / 0.030
G20     27.9           62.1                4.4 +/-    2.04       4.9 +/-    2.04  0.060 / 0.070
G21     129.1          57.5                5.7 +/-    0.28       6.6 +/-    0.28  0.080 / 0.070
G24     77.6           29.2                3.0 +/-    0.73       5.4 +/-    0.73  0.120 / 0.200
G27     284.5          37.0                6.4 +/-    1.01       9.8 +/-    1.01  0.150 / 0.190
G32     219.1          43.5                6.1 +/-    1.14       8.4 +/-    1.14  0.070 / 0.070