PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-08:42:50
G02     213.0          58.5                5.4 +/-    0.76       6.2 +/-    0.76  0.100 / 0.220
G06     67.8           76.5                5.7 +/-    0.69       5.8 +/-    0.69  0.090 / 0.230
G12     317.7          35.9                3.9 +/-    1.47       6.2 +/-    1.47  0.040 / 0.040
G17     54.2           34.1                5.4 +/-    1.41       8.7 +/-    1.41  0.040 / 0.040
G19     37.2           49.7                5.3 +/-    1.67       6.7 +/-    1.67  0.040 / 0.080
G24     271.7          41.4                6.9 +/-    2.55       9.8 +/-    2.55  0.050 / 0.080
G28     117.5          23.9                7.4 +/-    2.29      14.9 +/-    2.29  0.040 / 0.060