PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-17:43:10
G08     287.0          23.3                8.5 +/-    1.70      17.2 +/-    1.70  0.090 / 0.090
G10     24.8           62.2                7.9 +/-    0.50       8.8 +/-    0.50  0.090 / 0.120
G14     233.6          46.7                9.8 +/-    1.52      12.9 +/-    1.52  0.060 / 0.080
G20     76.1           46.3                7.6 +/-    1.00      10.1 +/-    1.00  0.080 / 0.070
G21     149.5          34.2                9.5 +/-    1.61      15.2 +/-    1.61  0.030 / 0.040
G24     52.2           23.6                7.1 +/-    0.80      14.4 +/-    0.80  0.040 / 0.030
G27     248.1          29.0                9.1 +/-    0.90      16.2 +/-    0.90  0.080 / 0.170
G31     182.7          11.3                1.6 +/-   24.58       4.4 +/-   24.58  0.090 / 0.180
G32     262.3          73.9                9.1 +/-    0.80       9.4 +/-    0.80  0.040 / 0.120