PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-17:27:30
G08     300.9          22.7               10.0 +/-    1.02      20.5 +/-    1.02  0.090 / 0.130
G10     348.5          62.0               11.2 +/-    0.46      12.5 +/-    0.46  0.100 / 0.140
G14     222.4          38.4               13.8 +/-    2.12      20.6 +/-    2.12  0.080 / 0.100
G20     51.2           57.0               12.1 +/-    0.82      14.2 +/-    0.82  0.080 / 0.080
G21     140.5          46.8               14.3 +/-    0.72      18.9 +/-    0.72  0.040 / 0.060
G24     61.2           26.1               10.8 +/-    1.38      20.6 +/-    1.38  0.040 / 0.050
G27     268.1          35.3               13.1 +/-    1.85      20.6 +/-    1.85  0.080 / 0.080
G32     230.7          58.8               13.1 +/-    1.65      15.1 +/-    1.65  0.080 / 0.080