PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-19:43:10
G08     300.4          22.1               20.5 +/-    2.15      43.0 +/-    2.15  0.090 / 0.080
G10     349.5          62.1                8.8 +/-    0.45       9.8 +/-    0.45  0.070 / 0.070
G14     224.2          40.3               12.0 +/-    1.26      17.4 +/-    1.26  0.040 / 0.070
G18     54.9           54.1               10.5 +/-    0.78      12.6 +/-    0.78  0.040 / 0.050
G21     141.3          43.5               13.0 +/-    0.75      18.0 +/-    0.75  0.070 / 0.070
G24     64.7           29.1                9.7 +/-    0.94      17.3 +/-    0.94  0.060 / 0.070
G27     261.2          34.9               12.3 +/-    2.31      19.6 +/-    2.31  0.050 / 0.040
G32     233.4          59.4               11.4 +/-    1.40      13.1 +/-    1.40  0.080 / 0.040