PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/22-01:12:30
G02     13.6           69.3                8.5 +/-    0.59       9.0 +/-    0.59  0.030 / 0.040
G05     157.0          45.3               12.6 +/-    0.49      16.8 +/-    0.49  0.030 / 0.050
G06     44.0           33.1                6.6 +/-    1.02      10.8 +/-    1.02  0.230 / 0.260
G12     283.7          77.6                9.1 +/-    0.66       9.3 +/-    0.66  0.250 / 0.300
G19     84.7           20.2               10.1 +/-    0.71      22.0 +/-    0.71  0.060 / 0.090
G24     219.3          14.6               12.8 +/-    3.02      32.0 +/-    3.02  0.060 / 0.090
G25     313.4          39.7                8.2 +/-    2.67      11.9 +/-    2.67  0.050 / 0.090
G29     295.8          19.2                8.7 +/-    1.37      19.5 +/-    1.37  0.080 / 0.080