PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/08-21:58:10
G01     267.0          40.3               10.8 +/-    1.25      15.6 +/-    1.25  0.040 / 0.060
G03     316.1          31.6                8.3 +/-    1.19      14.0 +/-    1.19  0.060 / 0.050
G10     131.3          15.3               11.0 +/-    2.84      27.1 +/-    2.84  0.040 / 0.030
G11     248.3          19.4               10.5 +/-    3.53      23.5 +/-    3.53  0.030 / 0.030
G14     47.0           48.1                6.9 +/-    0.73       8.9 +/-    0.73  0.070 / 0.140
G22     313.5          53.6                9.0 +/-    0.67      10.9 +/-    0.67  0.170 / 0.130
G25     49.5           15.7                5.9 +/-    1.96      14.3 +/-    1.96  0.050 / 0.060
G26     148.2          26.4               12.9 +/-    2.50      24.5 +/-    2.50  0.050 / 0.050
G31     51.2           73.8                9.5 +/-    0.31       9.9 +/-    0.31  0.040 / 0.060
G32     66.0           31.7                6.2 +/-    1.30      10.5 +/-    1.30  0.050 / 0.080