PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-15:42:50
G05     51.5           12.5                5.4 +/-    2.86      14.4 +/-    2.86  0.080 / 0.430
G10     241.8          19.2                8.7 +/-    0.70      19.6 +/-    0.70  0.080 / 0.450
G13     65.0           34.4                8.0 +/-    1.46      12.8 +/-    1.46  0.040 / 0.040
G15     113.7          56.8               10.5 +/-    0.84      12.3 +/-    0.84  0.040 / 0.040
G16     307.2          14.3                4.1 +/-    4.34      10.3 +/-    4.34  0.090 / 0.170
G20     256.5          43.2               10.1 +/-    1.90      14.0 +/-    1.90  0.180 / 0.120
G21     323.8          54.1                9.5 +/-    0.90      11.4 +/-    0.90  0.070 / 0.120
G26     280.5          18.7                6.4 +/-    1.56      14.6 +/-    1.56  0.080 / 0.100
G29     159.5          61.9               10.5 +/-    0.42      11.7 +/-    0.42  0.030 / 0.030