PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-23:42:30
G10     247.7          24.3               11.9 +/-    2.16      23.5 +/-    2.16  0.180 / 0.670
G13     56.8           31.6                9.4 +/-    0.56      16.0 +/-    0.56  0.170 / 0.550
G15     98.7           58.9               10.5 +/-    0.47      12.1 +/-    0.47  0.070 / 0.180
G16     297.6          16.1                7.5 +/-    3.00      18.3 +/-    3.00  0.110 / 0.180
G20     255.0          27.7                8.1 +/-    1.79      14.8 +/-    1.79  0.050 / 0.060
G21     328.4          57.1                8.6 +/-    1.08      10.1 +/-    1.08  0.050 / 0.060
G26     269.5          17.0               11.9 +/-    2.20      28.1 +/-    2.20  0.040 / 0.060
G29     164.3          55.1               10.9 +/-    1.22      13.0 +/-    1.22  0.050 / 0.070