PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-15:58:00
G08     314.6          16.5                6.9 +/-    2.57      16.5 +/-    2.57  0.060 / 0.070
G10     323.2          58.8                6.5 +/-    0.69       7.5 +/-    0.69  0.060 / 0.070
G14     214.8          20.2               11.2 +/-    3.26      24.5 +/-    3.26  0.200 / 0.280
G15     45.9           12.7                4.1 +/-    1.39      10.9 +/-    1.39  0.090 / 0.260
G20     31.0           61.1                6.8 +/-    0.80       7.6 +/-    0.80  0.040 / 0.040
G21     126.5          62.5                9.5 +/-    0.58      10.6 +/-    0.58  0.040 / 0.040
G24     83.5           30.4                8.3 +/-    1.06      14.3 +/-    1.06  0.110 / 0.140
G27     283.7          38.2                7.7 +/-    1.14      11.5 +/-    1.14  0.090 / 0.100
G32     217.0          47.5               10.6 +/-    1.69      13.8 +/-    1.69  0.170 / 0.380