PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-15:28:10
G02     57.5           34.1                6.6 +/-    0.69      10.6 +/-    0.69  0.030 / 0.040
G05     64.1           65.6                7.5 +/-    0.60       8.1 +/-    0.60  0.030 / 0.040
G12     183.2          33.8                9.1 +/-    2.54      14.8 +/-    2.54  0.100 / 0.330
G13     128.1          13.6               10.3 +/-    1.88      26.5 +/-    1.88  0.120 / 0.330
G15     164.2          11.4                6.0 +/-   24.32      16.3 +/-   24.32  0.100 / 0.590
G21     269.9          15.4                8.5 +/-    1.35      20.8 +/-    1.35  0.140 / 0.440
G25     240.9          53.4                8.0 +/-    1.10       9.7 +/-    1.10  0.040 / 0.070
G29     326.8          51.8                6.5 +/-    1.04       8.0 +/-    1.04  0.050 / 0.060