PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/19-06:12:40
G01     313.2838       27.3606          2.2117 +/-  1.4440    4.0984 +/-  1.4440  0.030 / 0.010
G10     95.3206        47.2399          2.1960 +/-  0.6976    2.8692 +/-  0.6976  0.040 / 0.020
G11     289.0159       29.1292          2.7431 +/-  1.4943    4.8925 +/-  1.4943  0.110 / 0.260
G14     339.4932       70.0356          3.2707 +/-  0.3899    3.4568 +/-  0.3899  0.130 / 0.290
G18     110.3608       22.7802          2.7132 +/-  0.7946    5.5833 +/-  0.7946  0.090 / 0.270
G22     306.2408       20.2919          3.7772 +/-  3.6393    8.2521 +/-  3.6393  0.100 / 0.220
G25     86.5098        13.2460          4.9311 +/-  1.1381   12.7912 +/-  1.1381  0.030 / 0.010
G31     171.9757       55.3765          6.8640 +/-  1.2841    8.1465 +/-  1.2841  0.030 / 0.010
G32     24.8492        59.3068          1.4555 +/-  0.3725    1.6631 +/-  0.3725  0.100 / 0.050