PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-01:58:10
G07     344.4          62.1                6.5 +/-    0.68       7.2 +/-    0.68  0.080 / 0.090
G08     84.9           51.9                7.7 +/-    0.43       9.5 +/-    0.43  0.060 / 0.110
G09     176.5          61.9                7.1 +/-    0.72       7.9 +/-    0.72  0.040 / 0.060
G11     144.3          17.9                6.3 +/-    2.27      14.7 +/-    2.27  0.030 / 0.060
G23     157.9          35.0                8.7 +/-    2.11      13.9 +/-    2.11  0.090 / 0.270
G27     49.0           27.4                3.6 +/-    0.66       6.6 +/-    0.66  0.080 / 0.260
G28     240.1          26.9                6.6 +/-    1.23      12.3 +/-    1.23  0.080 / 0.210
G30     305.3          36.8                5.1 +/-    1.26       7.9 +/-    1.26  0.090 / 0.250