PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-03:43:00
G05     49.4           14.5                2.0 +/-    4.92       5.0 +/-    4.92  0.190 / 0.450
G10     236.9          14.7               12.7 +/-    4.36      31.9 +/-    4.36  0.210 / 0.450
G13     73.1           35.4                6.5 +/-    3.36      10.2 +/-    3.36  0.160 / 0.280
G15     119.7          53.4                8.4 +/-    2.91      10.2 +/-    2.91  0.140 / 0.260
G20     249.7          38.2               10.8 +/-    1.18      16.2 +/-    1.18  0.040 / 0.060
G21     315.9          48.7                6.5 +/-    2.90       8.3 +/-    2.90  0.060 / 0.060
G25     198.3          10.0                9.5 +/-   17.68      26.4 +/-   17.68  0.090 / 0.300
G26     288.2          19.4               10.2 +/-    1.99      22.8 +/-    1.99  0.080 / 0.230
G29     152.2          67.1                8.2 +/-    2.71       8.8 +/-    2.71  0.050 / 0.130