PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-19:27:40
G10     298.8          53.1               11.4 +/-    1.53      13.8 +/-    1.53  0.050 / 0.100
G15     46.0           27.4               10.1 +/-    1.30      18.8 +/-    1.30  0.060 / 0.100
G20     356.1          65.2               11.6 +/-    0.70      12.7 +/-    0.70  0.040 / 0.040
G21     93.4           74.7               12.7 +/-    0.77      13.1 +/-    0.77  0.040 / 0.040
G24     100.0          26.6               12.5 +/-    1.19      23.5 +/-    1.19  0.070 / 0.120
G27     301.3          34.3               11.2 +/-    1.20      18.0 +/-    1.20  0.080 / 0.140
G32     209.7          32.4               13.5 +/-    1.57      22.5 +/-    1.57  0.080 / 0.180