PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-19:27:30
G10     245.9          22.9               10.9 +/-    2.62      22.4 +/-    2.62  0.140 / 0.680
G13     59.0           32.5                8.6 +/-    0.67      14.3 +/-    0.67  0.150 / 0.700
G15     107.6          59.1               10.3 +/-    0.61      11.8 +/-    0.61  0.040 / 0.060
G16     300.9          15.6                6.4 +/-    1.98      15.6 +/-    1.98  0.050 / 0.060
G20     262.5          47.0               11.4 +/-    0.70      15.0 +/-    0.70  0.050 / 0.130
G21     327.6          56.4                8.9 +/-    1.01      10.5 +/-    1.01  0.050 / 0.130
G26     273.4          17.6                8.1 +/-    2.47      18.9 +/-    2.47  0.030 / 0.040
G29     162.8          56.9               11.0 +/-    0.85      12.9 +/-    0.85  0.030 / 0.040