PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-23:27:40
G08     310.9          17.5                8.0 +/-    2.29      18.7 +/-    2.29  0.040 / 0.050
G10     340.1          61.2                8.2 +/-    0.72       9.2 +/-    0.72  0.030 / 0.060
G14     218.9          31.3               14.2 +/-    0.95      24.1 +/-    0.95  0.070 / 0.210
G20     42.8           59.0               10.3 +/-    0.40      11.8 +/-    0.40  0.070 / 0.200
G21     136.7          55.7               11.5 +/-    0.67      13.6 +/-    0.67  0.070 / 0.100
G24     72.3           30.3                8.5 +/-    0.66      14.8 +/-    0.66  0.070 / 0.080
G27     272.3          37.3               11.6 +/-    1.20      17.6 +/-    1.20  0.050 / 0.090
G32     224.7          54.5               14.4 +/-    1.10      17.3 +/-    1.10  0.050 / 0.090