PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-16:28:00
G10     252.1          28.4               10.1 +/-    1.40      18.3 +/-    1.40  0.030 / 0.040
G13     51.9           28.6                5.9 +/-    1.08      10.6 +/-    1.08  0.040 / 0.050
G15     86.8           58.5                8.7 +/-    0.65      10.0 +/-    0.65  0.130 / 0.580
G16     294.7          15.2                6.2 +/-    1.00      15.4 +/-    1.00  0.130 / 0.650
G20     272.3          52.0                9.9 +/-    0.71      12.2 +/-    0.71  0.060 / 0.150
G21     339.2          62.6                6.9 +/-    0.51       7.7 +/-    0.51  0.070 / 0.140
G26     267.9          14.7                7.8 +/-    2.46      19.5 +/-    2.46  0.030 / 0.040
G29     164.4          47.4                8.5 +/-    0.87      11.1 +/-    0.87  0.030 / 0.040