PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-07:28:10
G02     219.7          67.0                5.6 +/-    0.62       6.0 +/-    0.62  0.050 / 0.050
G06     50.0           70.7                5.8 +/-    0.44       6.1 +/-    0.44  0.040 / 0.040
G12     319.7          41.4                4.2 +/-    1.70       6.0 +/-    1.70  0.100 / 0.100
G17     60.5           29.0                3.6 +/-    1.27       6.5 +/-    1.27  0.090 / 0.090
G19     45.4           44.7                4.0 +/-    0.45       5.5 +/-    0.45  0.130 / 0.270
G24     261.7          40.0                6.7 +/-    0.66       9.7 +/-    0.66  0.110 / 0.310
G28     122.8          18.8                8.8 +/-    1.46      20.0 +/-    1.46  0.040 / 0.070