PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-17:27:30
G02     56.6           35.6                8.7 +/-    0.58      13.7 +/-    0.58  0.130 / 0.350
G05     62.3           64.2                9.5 +/-    0.37      10.4 +/-    0.37  0.100 / 0.450
G12     184.1          34.6               10.7 +/-    2.26      17.0 +/-    2.26  0.050 / 0.080
G13     128.1          13.7               10.7 +/-    1.84      27.5 +/-    1.84  0.060 / 0.060
G15     165.6          10.6               -1.4 +/-   30.27      -3.9 +/-   30.27  0.160 / 0.440
G21     269.9          15.3               11.1 +/-    1.43      27.5 +/-    1.43  0.130 / 0.420
G25     241.0          53.4               10.0 +/-    1.21      12.1 +/-    1.21  0.160 / 0.310
G29     327.2          52.3                8.6 +/-    0.99      10.6 +/-    0.99  0.130 / 0.330