PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-22:42:30
G10     297.5          52.6               10.8 +/-    0.86      13.2 +/-    0.86  0.040 / 0.050
G15     46.3           29.4                7.1 +/-    0.82      12.7 +/-    0.82  0.050 / 0.060
G20     351.0          65.2                8.4 +/-    1.03       9.2 +/-    1.03  0.060 / 0.090
G21     90.3           75.3               11.5 +/-    0.59      11.9 +/-    0.59  0.050 / 0.100
G24     100.0          26.3               11.5 +/-    1.11      21.8 +/-    1.11  0.070 / 0.120
G27     302.2          33.7               10.4 +/-    1.10      16.9 +/-    1.10  0.080 / 0.160
G32     209.7          30.7               13.5 +/-    2.81      23.2 +/-    2.81  0.050 / 0.130