PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-18:12:30
G10     257.2          33.5                9.0 +/-    1.75      14.6 +/-    1.75  0.200 / 0.180
G13     47.2           24.2               11.0 +/-    2.84      21.8 +/-    2.84  0.050 / 0.050
G15     71.5           54.4                9.4 +/-    0.91      11.3 +/-    0.91  0.040 / 0.040
G16     287.9          15.2                6.9 +/-    1.85      17.0 +/-    1.85  0.070 / 0.200
G20     282.7          56.5               10.0 +/-    3.02      11.8 +/-    3.02  0.080 / 0.180
G21     343.5          64.6               10.3 +/-    0.80      11.2 +/-    0.80  0.150 / 0.730
G26     261.5          12.5                9.1 +/-    1.24      24.1 +/-    1.24  0.150 / 0.580
G27     322.1          10.6              -14.6 +/-   17.35     -40.2 +/-   17.35  0.040 / 0.040
G29     165.7          42.9               11.5 +/-    0.64      16.0 +/-    0.64  0.050 / 0.040