PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-18:13:10
G10     289.3          48.5               14.9 +/-    3.62      19.1 +/-    3.62  0.060 / 0.110
G15     47.0           31.8               13.4 +/-    1.02      22.6 +/-    1.02  0.060 / 0.100
G18     349.7          66.8               14.6 +/-    0.30      15.8 +/-    0.30  0.040 / 0.030
G20     67.0           23.0               14.6 +/-    1.62      29.8 +/-    1.62  0.040 / 0.040
G21     88.6           73.2               16.9 +/-    0.34      17.6 +/-    0.34  0.080 / 0.140
G24     104.4          24.3               16.5 +/-    0.92      32.9 +/-    0.92  0.080 / 0.140
G27     304.4          32.6               14.8 +/-    2.66      24.5 +/-    2.66  0.050 / 0.130
G32     209.2          25.4               17.7 +/-    1.45      34.4 +/-    1.45  0.080 / 0.160