PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/24-16:27:40
G10     304.9          54.9                8.3 +/-    1.12       9.9 +/-    1.12  0.080 / 0.090
G15     45.4           22.1                4.8 +/-    2.20      10.1 +/-    2.20  0.090 / 0.090
G20     8.0            64.4                8.5 +/-    0.73       9.4 +/-    0.73  0.040 / 0.040
G21     106.4          71.4                8.8 +/-    1.24       9.2 +/-    1.24  0.040 / 0.040
G24     95.8           28.0                8.1 +/-    1.00      14.8 +/-    1.00  0.070 / 0.050
G27     296.9          35.9               11.0 +/-    1.74      17.2 +/-    1.74  0.040 / 0.040
G32     211.1          36.8               11.1 +/-    0.92      17.0 +/-    0.92  0.100 / 0.320