PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-15:57:30
G10     262.9          37.3               10.2 +/-    1.60      15.5 +/-    1.60  0.110 / 0.220
G13     43.6           20.2                7.5 +/-    3.08      16.5 +/-    3.08  0.140 / 0.210
G15     61.9           49.6                9.1 +/-    0.70      11.6 +/-    0.70  0.050 / 0.060
G20     293.9          60.1                8.9 +/-    0.98      10.1 +/-    0.98  0.070 / 0.070
G21     354.6          68.8                8.6 +/-    1.39       9.2 +/-    1.39  0.040 / 0.040
G24     125.8          11.5                9.4 +/-    4.98      25.5 +/-    4.98  0.040 / 0.040
G27     320.5          15.3                5.4 +/-    2.18      13.4 +/-    2.18  0.080 / 0.100
G29     166.8          37.1               11.5 +/-    0.93      17.5 +/-    0.93  0.060 / 0.070