PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-00:57:50
G05     51.2           11.0                7.9 +/-    2.60      21.5 +/-    2.60  0.050 / 0.070
G10     240.3          18.6               13.3 +/-    1.41      30.4 +/-    1.41  0.070 / 0.060
G13     66.9           34.3                9.6 +/-    0.95      15.4 +/-    0.95  0.170 / 0.330
G15     111.4          55.8               11.8 +/-    0.32      14.0 +/-    0.32  0.130 / 0.290
G16     309.8          13.6                7.7 +/-    1.50      19.9 +/-    1.50  0.160 / 0.310
G20     254.5          41.6               13.3 +/-    1.08      18.9 +/-    1.08  0.130 / 0.290
G21     319.7          51.0               11.5 +/-    0.73      14.3 +/-    0.73  0.080 / 0.150
G26     282.0          19.1                8.7 +/-    1.36      19.6 +/-    1.36  0.060 / 0.120
G29     156.8          63.4               10.9 +/-    0.83      12.0 +/-    0.83  0.030 / 0.050