PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-15:27:40
G08     316.2          15.3                5.7 +/-    2.33      14.2 +/-    2.33  0.050 / 0.070
G10     318.7          58.0                6.6 +/-    0.80       7.6 +/-    0.80  0.060 / 0.070
G14     213.9          18.2                6.9 +/-    1.71      16.0 +/-    1.71  0.250 / 0.430
G15     45.6           14.6                5.5 +/-    1.70      13.8 +/-    1.70  0.120 / 0.370
G20     26.5           61.9                7.7 +/-    1.94       8.6 +/-    1.94  0.030 / 0.040
G21     123.0          64.5                8.5 +/-    0.81       9.3 +/-    0.81  0.040 / 0.050
G24     86.4           30.0                7.4 +/-    0.92      13.0 +/-    0.92  0.240 / 0.370
G27     286.9          38.0                7.3 +/-    2.86      11.0 +/-    2.86  0.120 / 0.230
G32     215.4          45.1                8.4 +/-    0.72      11.3 +/-    0.72  0.030 / 0.030