PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-20:57:30
G02     241.7          75.7                8.8 +/-    0.25       9.0 +/-    0.25  0.340 / 0.420
G05     171.2          16.3               12.6 +/-    2.03      30.5 +/-    2.03  0.340 / 0.350
G06     40.3           59.8               11.1 +/-    0.66      12.6 +/-    0.66  0.030 / 0.040
G12     320.8          49.1                8.3 +/-    0.65      10.5 +/-    0.65  0.040 / 0.030
G17     69.8           23.2                9.2 +/-    1.17      18.7 +/-    1.17  0.080 / 0.080
G19     57.0           37.9                9.5 +/-    1.60      14.3 +/-    1.60  0.090 / 0.100
G24     245.2          34.8               12.7 +/-    2.29      20.2 +/-    2.29  0.060 / 0.070
G25     316.2          11.7               -8.5 +/-   34.84     -22.7 +/-   34.84  0.060 / 0.040