PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-07:12:50
G01     285.8187       41.0000          3.6924 +/-  1.2182    5.2846 +/-  1.2182  0.080 / 0.100
G03     312.6956       17.7949          1.8976 +/-  1.2553    4.4075 +/-  1.2553  0.070 / 0.130
G10     122.2006       27.1061          4.4473 +/-  1.2178    8.2872 +/-  1.2178  0.050 / 0.070
G11     258.3395       26.1106          5.9839 +/-  2.0431   11.4008 +/-  2.0431  0.040 / 0.080
G14     31.6041        55.4923          2.1759 +/-  1.0969    2.5794 +/-  1.0969  0.070 / 0.150
G22     314.4666       42.8424          3.9071 +/-  1.3986    5.4343 +/-  1.3986  0.060 / 0.160
G25     59.2620        17.1102          2.3012 +/-  0.7695    5.4358 +/-  0.7695  0.040 / 0.060
G26     155.3081       15.3426          5.7972 +/-  3.6571   14.3002 +/-  3.6571  0.040 / 0.060
G31     105.8815       80.0455          4.9334 +/-  0.6409    5.0010 +/-  0.6409  0.050 / 0.090
G32     53.7670        40.1720          3.6859 +/-  0.2838    5.3461 +/-  0.2838  0.050 / 0.080