PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-17:28:00
G01     37.7           10.7                9.5 +/-    2.79      26.1 +/-    2.79  0.100 / 0.180
G02     199.8          13.3               10.5 +/-    3.65      27.1 +/-    3.65  0.120 / 0.220
G06     173.0          45.7               11.2 +/-    1.31      14.9 +/-    1.31  0.040 / 0.080
G13     231.2          18.1               12.3 +/-    1.98      28.3 +/-    1.98  0.040 / 0.070
G17     9.3            66.7                9.2 +/-    0.54       9.9 +/-    0.54  0.080 / 0.370
G19     301.0          71.9                9.9 +/-    1.02      10.4 +/-    1.02  0.110 / 0.400
G24     313.8          24.2               10.7 +/-    2.55      21.2 +/-    2.55  0.250 / 0.460
G28     74.7           47.9                9.5 +/-    0.75      12.3 +/-    0.75  0.160 / 0.330
G30     155.3          19.0               11.4 +/-    2.35      25.7 +/-    2.35  0.030 / 0.050