PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-18:57:50
G10     292.4          51.0               10.9 +/-    2.52      13.6 +/-    2.52  0.060 / 0.100
G15     46.8           31.0                9.6 +/-    1.24      16.4 +/-    1.24  0.070 / 0.100
G20     346.0          65.4               11.1 +/-    0.62      12.1 +/-    0.62  0.040 / 0.030
G21     76.8           76.5               11.3 +/-    0.33      11.5 +/-    0.33  0.040 / 0.040
G24     104.5          24.7               12.3 +/-    1.11      24.1 +/-    1.11  0.080 / 0.150
G27     305.6          32.1               10.2 +/-    2.56      17.1 +/-    2.56  0.080 / 0.160
G29     168.2          12.6               10.4 +/-    1.57      27.4 +/-    1.57  0.060 / 0.110
G32     208.1          28.3               13.6 +/-    1.76      24.7 +/-    1.76  0.050 / 0.100