PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-01:43:00
G02     32.8           55.3               10.9 +/-    0.67      13.0 +/-    0.67  0.040 / 0.040
G05     138.3          61.6               14.1 +/-    0.78      15.8 +/-    0.78  0.020 / 0.030
G06     52.0           19.0                8.7 +/-    0.77      19.7 +/-    0.77  0.040 / 0.050
G12     207.2          71.0               13.6 +/-    0.56      14.3 +/-    0.56  0.040 / 0.070
G25     297.7          53.4               12.0 +/-    0.55      14.6 +/-    0.55  0.080 / 0.150
G29     308.5          30.8                9.8 +/-    1.03      16.9 +/-    1.03  0.080 / 0.130