PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-18:27:40
G10     299.8          53.4               18.3 +/-    0.63      22.2 +/-    0.63  0.060 / 0.070
G15     45.8           26.2               16.6 +/-    0.95      31.5 +/-    0.95  0.080 / 0.110
G20     358.6          65.1               18.7 +/-    1.28      20.4 +/-    1.28  0.040 / 0.040
G21     96.1           74.1               19.2 +/-    0.43      19.9 +/-    0.43  0.040 / 0.040
G24     99.3           26.8               21.1 +/-    0.85      39.6 +/-    0.85  0.080 / 0.150
G27     300.5          34.6               17.2 +/-    1.56      27.5 +/-    1.56  0.070 / 0.140
G32     209.9          33.3               19.6 +/-    1.85      32.2 +/-    1.85  0.030 / 0.040