PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/19-15:12:40
G08     312.9          17.7                3.8 +/-    2.19       8.8 +/-    2.19  0.080 / 0.070
G10     326.8          59.4                6.0 +/-    0.53       6.8 +/-    0.53  0.070 / 0.070
G14     215.5          22.4                8.1 +/-    1.62      16.9 +/-    1.62  0.170 / 0.200
G15     46.2           10.8                5.8 +/-    1.59      15.9 +/-    1.59  0.240 / 0.290
G20     35.2           60.2                7.4 +/-    0.61       8.4 +/-    0.61  0.040 / 0.040
G21     129.1          60.4                9.4 +/-    0.44      10.6 +/-    0.44  0.040 / 0.040
G24     81.2           30.6                8.3 +/-    0.82      14.4 +/-    0.82  0.120 / 0.170
G27     281.2          38.3                9.1 +/-    2.06      13.5 +/-    2.06  0.090 / 0.180
G32     218.3          49.4                9.1 +/-    1.27      11.6 +/-    1.27  0.030 / 0.030