PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-03:57:50
G08     305.0219       21.1305          5.8397 +/-  1.4955   12.5013 +/-  1.4955  0.030 / 0.040
G10     336.5561       60.5879          4.0497 +/-  0.5587    4.5757 +/-  0.5587  0.030 / 0.040
G14     220.1680       35.8570          8.8234 +/-  1.3943   13.7840 +/-  1.3943  0.030 / 0.080
G15     47.3187        10.8364          4.6516 +/-  2.2757   12.7454 +/-  2.2757  0.040 / 0.060
G18     41.0000        59.1379          5.2963 +/-  0.8115    6.0612 +/-  0.8115  0.070 / 0.100
G21     136.9676       54.0220          7.1888 +/-  0.8038    8.6551 +/-  0.8038  0.050 / 0.080
G24     71.5290        30.3084          5.6246 +/-  0.4701    9.7871 +/-  0.4701  0.040 / 0.050
G27     268.4044       36.8287          6.6559 +/-  1.0147   10.2181 +/-  1.0147  0.050 / 0.050
G32     226.7983       55.1026          7.0275 +/-  0.6766    8.3643 +/-  0.6766  0.050 / 0.090