PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-04:42:30
G01     78.0           32.1                3.7 +/-    0.71       6.1 +/-    0.71  0.030 / 0.030
G07     131.7          38.7                7.3 +/-    0.66      10.9 +/-    0.66  0.030 / 0.020
G11     62.6           39.7                4.7 +/-    1.03       6.9 +/-    1.03  0.080 / 0.270
G13     283.5          39.0               -0.8 +/-    3.10      -1.2 +/-    3.10  0.110 / 0.210
G15     307.1          14.6                0.4 +/-    3.51       1.0 +/-    3.51  0.060 / 0.050
G17     219.9          62.1                6.7 +/-    1.22       7.5 +/-    1.22  0.040 / 0.050
G19     217.5          36.8                6.7 +/-    1.08      10.3 +/-    1.08  0.040 / 0.050
G28     345.6          61.5                3.1 +/-    0.52       3.5 +/-    0.52  0.050 / 0.050
G30     122.6          74.0                6.1 +/-    0.35       6.3 +/-    0.35  0.080 / 0.090