PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-20:28:10
G10     298.7          52.4               14.2 +/-    1.48      17.4 +/-    1.48  0.060 / 0.090
G14     210.4          12.1               14.8 +/-    8.40      39.5 +/-    8.40  0.050 / 0.080
G15     46.6           31.4               11.5 +/-    1.36      19.5 +/-    1.36  0.030 / 0.050
G20     354.2          65.3               11.8 +/-    1.01      12.8 +/-    1.01  0.030 / 0.050
G21     99.6           73.1               16.3 +/-    0.68      16.9 +/-    0.68  0.120 / 0.370
G24     93.4           26.4               16.2 +/-    1.18      30.8 +/-    1.18  0.110 / 0.370
G27     301.0          33.7               13.3 +/-    1.38      21.7 +/-    1.38  0.090 / 0.130
G32     210.7          33.4               14.8 +/-    1.42      24.3 +/-    1.42  0.080 / 0.130