PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-09:27:40
G08     307.7          20.2                3.8 +/-    1.43       8.3 +/-    1.43  0.040 / 0.040
G10     337.2          60.8                5.3 +/-    0.49       6.0 +/-    0.49  0.040 / 0.050
G14     218.5          33.1                6.2 +/-    1.81      10.2 +/-    1.81  0.040 / 0.020
G20     41.1           59.5                5.6 +/-    0.94       6.4 +/-    0.94  0.030 / 0.030
G21     135.9          52.8                8.5 +/-    0.59      10.4 +/-    0.59  0.110 / 0.080
G24     70.6           29.1                5.0 +/-    0.92       8.9 +/-    0.92  0.090 / 0.060
G27     275.1          36.9                6.7 +/-    2.18      10.3 +/-    2.18  0.150 / 0.160
G32     224.2          48.6                6.7 +/-    1.91       8.6 +/-    1.91  0.080 / 0.120