PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-01:27:50
G07     320.5          53.4                3.9 +/-    2.21       4.7 +/-    2.21  0.120 / 0.210
G08     111.9          48.0                7.7 +/-    0.89      10.0 +/-    0.89  0.140 / 0.200
G09     189.9          79.8                5.8 +/-    0.71       5.9 +/-    0.71  0.040 / 0.070
G16     44.5           12.5                2.2 +/-    1.36       5.9 +/-    1.36  0.040 / 0.060
G23     152.1          52.0                6.9 +/-    0.75       8.5 +/-    0.75  0.040 / 0.070
G27     64.9           35.2                4.4 +/-    0.43       7.0 +/-    0.43  0.040 / 0.070
G28     229.2          14.0                6.2 +/-    6.18      15.8 +/-    6.18  0.240 / 0.670
G30     293.0          26.2                6.2 +/-    1.28      11.8 +/-    1.28  0.230 / 0.840