PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-16:12:50
G10     259.5          33.8                8.7 +/-    2.01      14.1 +/-    2.01  0.170 / 0.310
G13     45.9           23.4                6.0 +/-    1.09      12.2 +/-    1.09  0.190 / 0.350
G15     71.2           55.4                7.2 +/-    0.73       8.6 +/-    0.73  0.170 / 0.310
G16     287.1          14.1                6.1 +/-    1.37      15.6 +/-    1.37  0.140 / 0.330
G20     284.4          56.7                9.7 +/-    1.26      11.3 +/-    1.26  0.050 / 0.080
G21     353.0          68.2                7.3 +/-    1.34       7.9 +/-    1.34  0.050 / 0.070
G24     122.5          10.4               -8.3 +/-   35.69     -23.0 +/-   35.69  0.180 / 0.460
G26     261.0          11.3                6.8 +/-    2.48      18.3 +/-    2.48  0.170 / 0.410
G27     322.1          11.1               -6.4 +/-   29.12     -17.5 +/-   29.12  0.060 / 0.050
G29     166.0          38.3               10.8 +/-    0.67      16.2 +/-    0.67  0.040 / 0.040