PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-23:42:30
G02     57.5           34.0               12.4 +/-    2.81      20.0 +/-    2.81  0.050 / 0.070
G05     60.8           62.2               12.6 +/-    1.06      14.0 +/-    1.06  0.090 / 0.070
G12     186.4          37.3               15.9 +/-    0.96      24.3 +/-    0.96  0.060 / 0.090
G13     128.9          13.3               17.7 +/-    2.32      45.9 +/-    2.32  0.050 / 0.090
G15     164.2          11.0                5.0 +/-   32.15      13.7 +/-   32.15  0.170 / 0.390
G21     269.7          15.8               13.1 +/-    2.55      32.0 +/-    2.55  0.230 / 0.480
G25     240.9          53.7               12.8 +/-    4.24      15.5 +/-    4.24  0.090 / 0.080
G29     328.9          54.2               12.6 +/-    0.82      15.2 +/-    0.82  0.080 / 0.070