PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-16:13:00
G10     266.2          39.3               15.1 +/-    1.55      22.3 +/-    1.55  0.110 / 0.320
G13     42.0           18.0                8.1 +/-    0.81      18.6 +/-    0.81  0.120 / 0.330
G15     58.5           47.5               10.0 +/-    0.65      13.1 +/-    0.65  0.080 / 0.140
G16     279.4          13.1               11.3 +/-    1.59      29.3 +/-    1.59  0.090 / 0.140
G20     299.8          61.4               13.2 +/-    0.82      14.8 +/-    0.82  0.040 / 0.040
G21     0.9            70.8               13.3 +/-    0.73      14.0 +/-    0.73  0.040 / 0.040
G24     123.3          13.3               16.7 +/-    2.37      43.2 +/-    2.37  0.070 / 0.080
G27     319.4          17.8                7.5 +/-    1.74      17.4 +/-    1.74  0.070 / 0.070
G29     167.3          33.8               17.1 +/-    2.06      27.8 +/-    2.06  0.090 / 0.250