PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-16:28:10
G02     65.6           28.0               10.2 +/-    1.03      18.7 +/-    1.03  0.030 / 0.030
G05     50.3           56.2               12.1 +/-    0.38      14.2 +/-    0.38  0.020 / 0.040
G12     181.6          23.5               12.2 +/-    4.74      24.7 +/-    4.74  0.080 / 0.260
G13     119.7          20.4               16.1 +/-    1.03      35.1 +/-    1.03  0.080 / 0.280
G15     159.0          19.3               16.3 +/-    2.78      36.4 +/-    2.78  0.060 / 0.060
G21     278.3          21.6               10.3 +/-    1.56      21.7 +/-    1.56  0.050 / 0.070
G25     227.1          46.0               13.3 +/-    1.24      17.7 +/-    1.24  0.070 / 0.160
G29     333.9          61.9               12.5 +/-    0.44      13.9 +/-    0.44  0.060 / 0.170