PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-00:58:10
G07     330.2          57.3                5.3 +/-    0.65       6.1 +/-    0.65  0.100 / 0.150
G08     99.5           50.8                7.8 +/-    0.80       9.8 +/-    0.80  0.090 / 0.120
G09     178.4          71.2                8.5 +/-    0.47       8.9 +/-    0.47  0.190 / 0.460
G11     150.1          12.0                7.7 +/-    2.44      20.5 +/-    2.44  0.130 / 0.400
G23     155.3          44.3                6.9 +/-    0.78       9.4 +/-    0.78  0.030 / 0.050
G27     56.8           32.3                5.2 +/-    0.75       8.8 +/-    0.75  0.030 / 0.040
G28     233.8          19.8                6.2 +/-    2.43      13.7 +/-    2.43  0.050 / 0.070
G30     298.5          30.7                5.2 +/-    1.50       8.9 +/-    1.50  0.050 / 0.070