PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-02:57:50
G10     257.6          33.3               13.9 +/-    1.91      22.7 +/-    1.91  0.040 / 0.050
G13     47.0           24.2                7.2 +/-    1.03      14.3 +/-    1.03  0.050 / 0.050
G15     70.5           53.9                9.4 +/-    0.27      11.4 +/-    0.27  0.060 / 0.170
G16     290.3          14.3                9.0 +/-    1.25      22.8 +/-    1.25  0.060 / 0.230
G20     281.3          55.4               12.4 +/-    0.46      14.7 +/-    0.46  0.110 / 0.290
G21     345.5          65.5                8.6 +/-    0.85       9.4 +/-    0.85  0.080 / 0.110
G26     262.5          12.3               12.4 +/-    2.32      32.8 +/-    2.32  0.060 / 0.110
G27     322.3          10.2              -16.7 +/-   10.32     -46.5 +/-   10.32  0.040 / 0.050
G29     164.4          39.3               11.6 +/-    1.60      17.1 +/-    1.60  0.040 / 0.050