PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-15:27:50
G10     289.2          50.0                7.4 +/-    0.83       9.3 +/-    0.83  0.060 / 0.110
G15     47.0           31.1                5.0 +/-    0.51       8.6 +/-    0.51  0.060 / 0.100
G20     343.7          65.5                5.2 +/-    0.58       5.7 +/-    0.58  0.040 / 0.060
G21     70.7           76.3                8.6 +/-    0.82       8.8 +/-    0.82  0.040 / 0.040
G24     106.8          23.6                7.9 +/-    1.17      16.0 +/-    1.17  0.120 / 0.200
G27     307.6          31.0                7.0 +/-    1.19      12.0 +/-    1.19  0.120 / 0.270
G29     168.3          15.1                7.7 +/-    3.56      19.1 +/-    3.56  0.040 / 0.040
G32     207.1          26.6                6.4 +/-    2.03      12.1 +/-    2.03  0.030 / 0.050