PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-06:58:10
G01     294.0207       39.3382          1.9694 +/-  1.0831    2.8959 +/-  1.0831  0.070 / 0.080
G03     310.4684       12.7111          3.8580 +/-  1.9105   10.1336 +/-  1.9105  0.060 / 0.080
G10     117.1345       32.1158          4.8676 +/-  0.6378    8.1650 +/-  0.6378  0.060 / 0.080
G11     265.1773       28.1662          3.1082 +/-  1.2047    5.6592 +/-  1.2047  0.060 / 0.080
G14     22.6537        59.3482          3.9595 +/-  0.5922    4.5227 +/-  0.5922  0.060 / 0.170
G22     313.3748       37.2214          4.8574 +/-  2.3390    7.4055 +/-  2.3390  0.080 / 0.180
G25     65.6448        17.4451          2.8937 +/-  1.1220    6.7793 +/-  1.1220  0.030 / 0.050
G26     158.8670       10.4883        -14.4153 +/- 29.4200  -39.7953 +/- 29.4200  0.040 / 0.050
G31     141.1269       77.2111          5.1143 +/-  0.9559    5.2308 +/-  0.9559  0.060 / 0.090
G32     47.7784        44.4463          3.0381 +/-  0.3714    4.1266 +/-  0.3714  0.050 / 0.070