PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-18:43:00
G01     317.1          23.6                5.8 +/-    1.69      11.8 +/-    1.69  0.040 / 0.060
G08     253.7          11.6                9.1 +/-    4.11      24.6 +/-    4.11  0.040 / 0.050
G10     86.4           49.0                9.1 +/-    0.92      11.7 +/-    0.92  0.220 / 0.380
G11     302.8          21.7                7.7 +/-    2.29      16.2 +/-    2.29  0.210 / 0.420
G14     295.0          69.1                7.3 +/-    0.88       7.8 +/-    0.88  0.170 / 0.430
G20     109.7          23.4               10.7 +/-    0.81      21.6 +/-    0.81  0.270 / 0.500
G25     98.2           9.5               -11.8 +/-   32.60     -33.3 +/-   32.60  0.050 / 0.030
G31     175.0          45.7               10.2 +/-    1.03      13.6 +/-    1.03  0.050 / 0.040
G32     17.5           63.8                8.1 +/-    0.83       8.9 +/-    0.83  0.050 / 0.060