PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/12-20:58:00
G01     294.4          39.1               12.0 +/-    5.34      17.7 +/-    5.34  0.070 / 0.090
G03     310.9          14.6                9.2 +/-    1.66      23.2 +/-    1.66  0.060 / 0.080
G10     117.3          31.6               11.2 +/-    0.85      18.9 +/-    0.85  0.020 / 0.040
G11     268.9          27.0               11.3 +/-    0.69      21.1 +/-    0.69  0.020 / 0.020
G14     20.2           60.3               10.5 +/-    1.01      11.9 +/-    1.01  0.080 / 0.150
G22     313.1          35.2               10.0 +/-    1.44      15.8 +/-    1.44  0.070 / 0.140
G25     69.4           18.7               10.4 +/-    1.31      23.7 +/-    1.31  0.050 / 0.050
G26     159.8          10.2              -12.3 +/-   36.88     -34.2 +/-   36.88  0.040 / 0.050
G31     151.4          76.4               12.8 +/-    0.69      13.1 +/-    0.69  0.060 / 0.070
G32     47.5           44.8               10.3 +/-    0.49      13.9 +/-    0.49  0.060 / 0.100