PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-15:27:40
G02     21.1           63.6               10.2 +/-    1.09      11.3 +/-    1.09  0.050 / 0.080
G05     154.2          52.8               11.3 +/-    0.96      13.8 +/-    0.96  0.050 / 0.090
G06     49.1           21.5                7.0 +/-    1.40      14.9 +/-    1.40  0.070 / 0.140
G12     215.1          76.8               10.0 +/-    0.43      10.3 +/-    0.43  0.070 / 0.140
G19     93.2           13.1                9.8 +/-    1.74      25.4 +/-    1.74  0.050 / 0.030
G25     307.7          46.0                8.6 +/-    1.95      11.4 +/-    1.95  0.040 / 0.030
G29     300.4          21.2               10.6 +/-    2.82      22.6 +/-    2.82  0.090 / 0.280