PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-15:57:30
G02     359.3          75.3               18.6 +/-    0.79      19.2 +/-    0.79  0.100 / 0.110
G05     165.6          36.4               17.0 +/-    2.00      26.3 +/-    2.00  0.070 / 0.100
G06     43.0           36.7               12.0 +/-    0.76      18.4 +/-    0.76  0.020 / 0.040
G12     298.9          75.6               13.5 +/-    0.64      13.9 +/-    0.64  0.040 / 0.030
G19     81.3           22.4               10.3 +/-    2.03      21.3 +/-    2.03  0.140 / 0.210
G24     225.7          19.4               15.0 +/-    1.45      33.6 +/-    1.45  0.110 / 0.260
G25     315.6          36.5               12.4 +/-    2.42      19.1 +/-    2.42  0.060 / 0.080
G29     292.1          15.7               10.1 +/-    1.14      24.8 +/-    1.14  0.060 / 0.080