PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-16:42:50
G10     295.3          52.0               23.3 +/-    1.03      28.6 +/-    1.03  0.070 / 0.090
G15     46.1           27.9                5.0 +/-    1.19       9.3 +/-    1.19  0.060 / 0.100
G20     353.0          65.3                6.7 +/-    1.17       7.3 +/-    1.17  0.030 / 0.040
G21     86.6           75.2                9.4 +/-    0.57       9.7 +/-    0.57  0.030 / 0.040
G24     102.5          25.6                8.6 +/-    1.41      16.7 +/-    1.41  0.040 / 0.040
G27     303.6          33.2                7.6 +/-    2.48      12.4 +/-    2.48  0.050 / 0.050
G29     168.1          11.0                9.2 +/-    1.95      25.0 +/-    1.95  0.150 / 0.220
G32     208.6          30.6               10.9 +/-    2.60      18.8 +/-    2.60  0.150 / 0.260