PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-18:13:00
G10     303.7          54.5               10.7 +/-    1.39      12.8 +/-    1.39  0.090 / 0.080
G14     211.2          10.4               -7.9 +/-   16.81     -21.8 +/-   16.81  0.110 / 0.100
G15     45.6           23.8                8.5 +/-    2.43      17.1 +/-    2.43  0.080 / 0.120
G20     4.8            64.7               10.8 +/-    0.65      11.8 +/-    0.65  0.070 / 0.120
G21     103.8          72.5               12.8 +/-    0.64      13.3 +/-    0.64  0.040 / 0.040
G24     96.5           27.8               11.9 +/-    0.98      21.8 +/-    0.98  0.040 / 0.040
G27     297.8          35.6               10.8 +/-    1.23      16.9 +/-    1.23  0.060 / 0.040
G32     210.9          35.8               13.4 +/-    1.00      21.0 +/-    1.00  0.070 / 0.030