PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-22:57:30
G08     296.9          21.7               10.4 +/-    1.26      21.9 +/-    1.26  0.060 / 0.070
G10     10.7           62.7                8.7 +/-    1.35       9.7 +/-    1.35  0.050 / 0.070
G14     228.7          44.0               11.7 +/-    2.42      16.1 +/-    2.42  0.110 / 0.120
G20     66.0           51.7                9.2 +/-    1.16      11.4 +/-    1.16  0.080 / 0.170
G21     146.8          41.6               10.3 +/-    1.26      14.6 +/-    1.26  0.040 / 0.020
G24     57.4           26.4                8.7 +/-    2.18      16.5 +/-    2.18  0.030 / 0.030
G27     254.9          32.3                9.6 +/-    2.01      16.0 +/-    2.01  0.100 / 0.220
G32     244.6          67.9                9.2 +/-    0.52       9.8 +/-    0.52  0.120 / 0.190