PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-01:42:30
G01     217.5          10.0                5.6 +/-   21.30      15.5 +/-   21.30  0.040 / 0.050
G03     261.5          70.0                3.8 +/-    0.70       4.0 +/-    0.70  0.030 / 0.050
G09     300.3          15.7                2.0 +/-    3.28       4.9 +/-    3.28  0.120 / 0.290
G14     93.0           21.2                4.0 +/-    1.82       8.5 +/-    1.82  0.130 / 0.290
G16     132.7          53.9                6.9 +/-    1.00       8.3 +/-    1.00  0.280 / 0.520
G22     204.7          62.4                5.1 +/-    0.66       5.7 +/-    0.66  0.280 / 0.410
G23     315.2          45.2                4.2 +/-    1.47       5.6 +/-    1.47  0.040 / 0.050
G26     78.7           53.3                3.0 +/-    0.59       3.6 +/-    0.59  0.040 / 0.060
G31     49.9           23.0                1.9 +/-    0.46       4.0 +/-    0.46  0.040 / 0.040