PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-18:12:50
G01     321.0          12.2              -20.6 +/-   12.68     -54.7 +/-   12.68  0.120 / 0.200
G08     265.9          18.1               10.4 +/-    1.46      24.0 +/-    1.46  0.090 / 0.180
G10     65.4           56.1                8.9 +/-    0.69      10.5 +/-    0.69  0.040 / 0.060
G11     313.5          14.7                5.8 +/-    1.32      14.5 +/-    1.32  0.040 / 0.060
G14     262.0          62.9                9.0 +/-    0.84      10.0 +/-    0.84  0.030 / 0.040
G20     98.1           33.0                8.9 +/-    1.17      14.6 +/-    1.17  0.030 / 0.030
G21     155.2          14.1               10.9 +/-    3.06      27.8 +/-    3.06  0.170 / 0.290
G27     230.7          15.6                9.5 +/-    1.55      23.3 +/-    1.55  0.140 / 0.280
G31     178.1          31.1               11.6 +/-    2.72      19.9 +/-    2.72  0.130 / 0.540
G32     348.7          73.4                9.8 +/-    0.77      10.2 +/-    0.77  0.140 / 0.460