PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-18:12:50
G10     297.9          52.8               11.8 +/-    1.60      14.4 +/-    1.60  0.050 / 0.080
G15     46.0           27.1               11.3 +/-    1.61      21.1 +/-    1.61  0.050 / 0.110
G20     355.9          65.2               13.2 +/-    0.63      14.4 +/-    0.63  0.070 / 0.110
G21     92.0           74.7               15.7 +/-    0.57      16.2 +/-    0.57  0.070 / 0.130
G24     100.6          26.3               11.9 +/-    0.98      22.6 +/-    0.98  0.040 / 0.040
G27     301.8          34.0               11.0 +/-    1.93      17.8 +/-    1.93  0.040 / 0.040
G32     209.4          32.1               12.6 +/-    1.30      21.1 +/-    1.30  0.070 / 0.110