PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-15:42:40
G10     256.1          32.9                9.8 +/-    1.13      16.3 +/-    1.13  0.150 / 0.690
G13     48.0           24.9                7.0 +/-    1.91      13.8 +/-    1.91  0.160 / 0.580
G15     71.3           53.7                9.2 +/-    0.29      11.2 +/-    0.29  0.040 / 0.040
G16     288.9          15.4                5.1 +/-    1.79      12.5 +/-    1.79  0.040 / 0.060
G20     282.0          56.7               10.4 +/-    0.82      12.2 +/-    0.82  0.100 / 0.100
G21     343.1          64.3                7.1 +/-    0.75       7.8 +/-    0.75  0.090 / 0.120
G26     262.8          13.0                8.4 +/-    2.50      21.9 +/-    2.50  0.040 / 0.060
G29     165.5          44.5               11.7 +/-    1.29      15.9 +/-    1.29  0.040 / 0.050