PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-18:43:10
G05     52.3           11.9               19.2 +/-    3.56      51.4 +/-    3.56  0.040 / 0.060
G10     243.4          20.6               23.1 +/-    2.98      50.1 +/-    2.98  0.050 / 0.040
G13     62.5           33.8               22.7 +/-    1.56      36.9 +/-    1.56  0.110 / 0.350
G15     113.3          57.9               24.3 +/-    0.40      28.1 +/-    0.40  0.100 / 0.400
G16     304.2          15.2               18.0 +/-    1.05      44.5 +/-    1.05  0.080 / 0.110
G20     258.8          44.7               24.4 +/-    3.26      33.0 +/-    3.26  0.070 / 0.120
G21     324.4          54.4               23.7 +/-    0.60      28.5 +/-    0.60  0.040 / 0.040
G26     276.8          18.4               21.1 +/-    1.14      48.3 +/-    1.14  0.030 / 0.040
G29     161.4          60.4               25.3 +/-    0.75      28.7 +/-    0.75  0.220 / 0.150