PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-18:12:30
G10     252.1          29.7               11.0 +/-    1.98      19.4 +/-    1.98  0.040 / 0.060
G13     51.4           27.7                6.7 +/-    3.25      12.4 +/-    3.25  0.040 / 0.070
G15     81.6           56.7               10.1 +/-    0.96      11.8 +/-    0.96  0.320 / 0.540
G16     293.4          15.9                7.8 +/-    2.29      19.0 +/-    2.29  0.320 / 0.570
G20     274.0          53.3               11.7 +/-    3.48      14.2 +/-    3.48  0.090 / 0.200
G21     335.8          60.7               10.4 +/-    0.56      11.7 +/-    0.56  0.080 / 0.200
G26     266.5          14.8                8.0 +/-    2.94      19.9 +/-    2.94  0.040 / 0.050
G29     164.3          49.1               12.2 +/-    0.38      15.6 +/-    0.38  0.030 / 0.050