PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-14:43:00
G02     60.8           31.1                8.8 +/-    0.79      15.0 +/-    0.79  0.050 / 0.050
G05     58.8           62.1               10.0 +/-    0.55      11.1 +/-    0.55  0.050 / 0.040
G12     186.1          33.1               13.2 +/-    1.28      21.8 +/-    1.28  0.090 / 0.270
G13     129.2          15.4               15.2 +/-    1.67      37.4 +/-    1.67  0.120 / 0.280
G15     162.6          12.9               14.3 +/-    1.67      37.5 +/-    1.67  0.060 / 0.090
G20     209.0          59.0               15.0 +/-    0.79      17.1 +/-    0.79  0.110 / 0.100
G21     273.0          21.0                8.0 +/-    1.42      17.2 +/-    1.42  0.050 / 0.060
G25     234.5          51.3               12.2 +/-    2.01      15.2 +/-    2.01  0.070 / 0.060
G29     333.9          60.3                8.8 +/-    0.69      10.0 +/-    0.69  0.130 / 0.230