PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/07-11:28:10
G10     272.6          41.9                5.6 +/-    0.99       7.9 +/-    0.99  0.110 / 0.070
G13     39.7           14.0                3.0 +/-    3.18       7.6 +/-    3.18  0.080 / 0.070
G15     54.4           44.7                4.0 +/-    0.61       5.5 +/-    0.61  0.160 / 0.180
G20     307.9          62.4                5.3 +/-    0.70       5.9 +/-    0.70  0.120 / 0.210
G21     38.7           74.8                5.5 +/-    1.06       5.7 +/-    1.06  0.040 / 0.040
G24     113.7          17.2                5.4 +/-    1.66      12.8 +/-    1.66  0.040 / 0.040
G27     317.6          20.4                2.3 +/-    2.38       5.1 +/-    2.38  0.160 / 0.210
G29     166.2          22.9                5.6 +/-    1.12      11.4 +/-    1.12  0.130 / 0.320
G32     205.7          11.1              -12.1 +/-   23.32     -33.0 +/-   23.32  0.040 / 0.040