PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-22:28:00
G08     297.2          21.8               11.9 +/-    1.02      25.0 +/-    1.02  0.050 / 0.080
G10     9.5            62.7                9.2 +/-    0.96      10.3 +/-    0.96  0.040 / 0.090
G14     228.1          43.2               13.9 +/-    1.80      19.2 +/-    1.80  0.090 / 0.150
G20     65.3           51.9                9.8 +/-    0.85      12.1 +/-    0.85  0.090 / 0.110
G21     146.5          42.2               14.0 +/-    1.30      19.7 +/-    1.30  0.050 / 0.030
G24     58.0           26.7                9.7 +/-    1.66      18.2 +/-    1.66  0.030 / 0.030
G27     255.6          32.6               11.0 +/-    2.10      18.3 +/-    2.10  0.060 / 0.130
G32     243.5          67.6               11.5 +/-    0.59      12.3 +/-    0.59  0.100 / 0.100