PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/04-22:27:50
G01     259.5          38.5               15.0 +/-    3.26      22.4 +/-    3.26  0.040 / 0.040
G03     316.5          36.8               12.9 +/-    1.40      19.9 +/-    1.40  0.050 / 0.040
G10     134.3          10.6               18.7 +/-    3.27      51.6 +/-    3.27  0.030 / 0.030
G11     243.2          16.5               16.8 +/-    2.28      40.3 +/-    2.28  0.020 / 0.030
G14     53.4           44.6               12.5 +/-    0.63      16.9 +/-    0.63  0.120 / 0.160
G22     311.1          58.9               13.6 +/-    1.66      15.6 +/-    1.66  0.070 / 0.160
G25     44.6           13.4               10.3 +/-    2.53      26.7 +/-    2.53  0.060 / 0.090
G26     144.6          31.2               18.9 +/-    1.96      32.4 +/-    1.96  0.050 / 0.060
G31     43.8           68.3               12.5 +/-    0.42      13.4 +/-    0.42  0.050 / 0.090
G32     70.9           28.2               12.3 +/-    1.46      22.5 +/-    1.46  0.050 / 0.070