PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-14:58:00
G02     56.9           34.4                5.7 +/-    0.45       9.2 +/-    0.45  0.040 / 0.030
G05     66.7           66.7                7.0 +/-    0.70       7.5 +/-    0.70  0.030 / 0.030
G12     183.1          34.6                7.5 +/-    2.78      11.9 +/-    2.78  0.040 / 0.060
G13     128.9          12.9                7.1 +/-    2.33      18.7 +/-    2.33  0.050 / 0.060
G15     164.5          10.8               -0.7 +/-   25.94      -2.0 +/-   25.94  0.100 / 0.320
G21     269.1          14.9                6.2 +/-    2.04      15.5 +/-    2.04  0.090 / 0.300
G25     242.5          54.0                8.3 +/-    1.22      10.0 +/-    1.22  0.090 / 0.460
G29     326.1          50.8                6.1 +/-    1.13       7.6 +/-    1.13  0.120 / 0.450