PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-00:28:10
G01     223.7          16.5                8.8 +/-    2.82      21.2 +/-    2.82  0.040 / 0.030
G03     289.5          67.1                4.6 +/-    0.58       5.0 +/-    0.58  0.040 / 0.030
G14     84.5           27.4                5.0 +/-    1.66       9.3 +/-    1.66  0.090 / 0.140
G16     143.4          45.6                7.1 +/-    1.61       9.5 +/-    1.61  0.090 / 0.180
G22     221.6          70.5                5.4 +/-    0.27       5.7 +/-    0.27  0.040 / 0.040
G23     307.9          38.1                5.9 +/-    1.46       8.8 +/-    1.46  0.030 / 0.040
G26     96.1           54.0                5.0 +/-    0.63       6.0 +/-    0.63  0.130 / 0.220
G31     45.9           31.0                3.8 +/-    0.90       6.5 +/-    0.90  0.170 / 0.300