PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-19:28:10
G10     302.3          54.1               15.7 +/-    1.29      18.9 +/-    1.29  0.040 / 0.050
G15     45.7           25.4               11.9 +/-    0.65      23.1 +/-    0.65  0.040 / 0.040
G20     1.6            64.9               15.5 +/-    1.17      16.9 +/-    1.17  0.060 / 0.080
G21     100.9          73.3               16.5 +/-    0.59      17.1 +/-    0.59  0.070 / 0.080
G24     97.5           27.5               17.4 +/-    0.95      32.1 +/-    0.95  0.100 / 0.130
G27     298.7          35.2               16.5 +/-    1.07      26.1 +/-    1.07  0.080 / 0.140
G32     210.7          34.7               19.8 +/-    2.08      31.6 +/-    2.08  0.050 / 0.050