PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-07:27:50
G01     276.4135       41.4332          3.5680 +/-  0.9562    5.0717 +/-  0.9562  0.100 / 0.110
G03     314.5864       23.4916          2.5004 +/-  2.3920    5.0596 +/-  2.3920  0.090 / 0.100
G10     126.9616       21.6217          5.8518 +/-  1.0067   12.3797 +/-  1.0067  0.050 / 0.050
G11     251.5110       23.2697          3.1826 +/-  1.5643    6.4738 +/-  1.5643  0.040 / 0.060
G14     40.1460        51.3263          2.4992 +/-  0.7771    3.1020 +/-  0.7771  0.150 / 0.410
G22     314.7541       49.0751          3.5496 +/-  1.2461    4.5284 +/-  1.2461  0.130 / 0.400
G25     52.7259        15.8423          1.5707 +/-  1.3122    3.8276 +/-  1.3122  0.040 / 0.080
G26     151.3769       20.8160          5.2382 +/-  2.3518   11.2993 +/-  2.3518  0.050 / 0.080
G31     67.7682        77.4098          4.3495 +/-  0.6933    4.4454 +/-  0.6933  0.050 / 0.090
G32     59.9502        35.7247          2.3997 +/-  0.5605    3.7579 +/-  0.5605  0.070 / 0.080