PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-16:13:10
G01     84.5           32.8                8.9 +/-    1.41      14.8 +/-    1.41  0.110 / 0.260
G07     129.7          41.4               10.5 +/-    0.99      14.9 +/-    0.99  0.160 / 0.230
G11     63.3           37.5                8.0 +/-    1.08      12.2 +/-    1.08  0.030 / 0.020
G13     288.8          37.3               14.1 +/-    1.46      21.5 +/-    1.46  0.030 / 0.020
G15     313.3          10.8               -4.9 +/-   18.75     -13.4 +/-   18.75  0.030 / 0.050
G17     218.7          57.3               11.4 +/-    1.12      13.3 +/-    1.12  0.030 / 0.050
G18     58.9           22.7                7.9 +/-    1.56      16.2 +/-    1.56  0.050 / 0.040
G19     217.1          29.1               13.0 +/-    1.69      23.2 +/-    1.69  0.050 / 0.070
G28     358.5          61.3                9.7 +/-    1.00      10.9 +/-    1.00  0.090 / 0.130
G30     117.4          72.7               10.9 +/-    0.45      11.3 +/-    0.45  0.200 / 0.170