PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-14:57:40
G10     261.6          36.6                7.5 +/-    1.80      11.6 +/-    1.80  0.090 / 0.210
G13     44.3           21.1                5.0 +/-    2.44      10.8 +/-    2.44  0.140 / 0.210
G15     62.8           49.9                7.0 +/-    0.68       8.9 +/-    0.68  0.240 / 0.410
G16     283.5          14.3                4.7 +/-    1.91      11.9 +/-    1.91  0.240 / 0.530
G20     292.3          59.8                7.4 +/-    0.93       8.4 +/-    0.93  0.040 / 0.060
G21     353.2          68.3                5.9 +/-    1.06       6.3 +/-    1.06  0.050 / 0.060
G24     126.7          10.8                6.8 +/-   19.43      18.7 +/-   19.43  0.040 / 0.040
G27     320.9          14.4                3.7 +/-    1.59       9.2 +/-    1.59  0.060 / 0.040
G29     166.6          38.4                9.3 +/-    0.80      13.9 +/-    0.80  0.260 / 0.210