PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-21:58:10
G08     301.0          22.4                8.9 +/-    2.10      18.4 +/-    2.10  0.070 / 0.150
G10     348.6          62.0                9.1 +/-    0.82      10.2 +/-    0.82  0.080 / 0.170
G14     222.7          37.7               12.6 +/-    1.95      19.1 +/-    1.95  0.080 / 0.090
G20     51.6           56.9                9.8 +/-    0.54      11.4 +/-    0.54  0.090 / 0.080
G21     141.0          49.0               12.0 +/-    1.25      15.4 +/-    1.25  0.040 / 0.080
G24     62.4           27.1                9.8 +/-    1.28      18.4 +/-    1.28  0.040 / 0.070
G27     266.3          35.4               13.4 +/-    1.45      21.1 +/-    1.45  0.060 / 0.110
G32     231.6          60.8               13.2 +/-    0.85      14.9 +/-    0.85  0.060 / 0.120