PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-18:57:40
G02     63.9           30.0                7.0 +/-    1.02      12.3 +/-    1.02  0.090 / 0.320
G05     50.6           55.5                7.0 +/-    0.22       8.3 +/-    0.22  0.080 / 0.280
G12     182.9          25.7               11.5 +/-    1.86      22.1 +/-    1.86  0.040 / 0.160
G13     120.7          19.7               11.0 +/-    2.68      24.3 +/-    2.68  0.060 / 0.170
G15     160.3          18.0               11.1 +/-    2.15      25.6 +/-    2.15  0.050 / 0.060
G21     277.3          20.8               10.0 +/-    3.17      21.5 +/-    3.17  0.050 / 0.080
G25     228.5          46.9               11.0 +/-    1.62      14.5 +/-    1.62  0.030 / 0.050
G29     333.8          61.4                9.2 +/-    0.70      10.4 +/-    0.70  0.030 / 0.050