PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/30-23:13:00
G01     39.2           13.6                6.8 +/-    4.94      17.4 +/-    4.94  0.120 / 0.120
G02     199.1          11.5                6.9 +/-   15.89      18.6 +/-   15.89  0.090 / 0.210
G06     177.1          39.3               10.7 +/-    0.93      15.8 +/-    0.93  0.160 / 0.530
G13     234.1          20.2               10.8 +/-    3.02      23.7 +/-    3.02  0.140 / 0.660
G15     267.2          11.1                8.4 +/-    1.46      23.0 +/-    1.46  0.050 / 0.050
G17     10.8           67.0                8.5 +/-    1.30       9.1 +/-    1.30  0.050 / 0.050
G19     286.6          70.4                8.5 +/-    0.94       8.9 +/-    0.94  0.030 / 0.030
G24     314.6          23.2                7.2 +/-    1.32      14.7 +/-    1.32  0.030 / 0.030
G28     71.9           48.3                8.5 +/-    1.43      10.9 +/-    1.43  0.110 / 0.120
G30     155.1          23.5               11.9 +/-    1.68      24.1 +/-    1.68  0.130 / 0.150