PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-01:43:00
G10     257.9          32.3               11.1 +/-    2.79      18.6 +/-    2.79  0.070 / 0.060
G13     47.0           24.8               10.0 +/-    2.62      19.5 +/-    2.62  0.040 / 0.080
G15     73.5           56.0               10.0 +/-    0.64      11.8 +/-    0.64  0.520 / 0.380
G16     286.3          14.7                7.6 +/-    3.54      19.0 +/-    3.54  0.200 / 0.230
G20     273.4          47.8                8.5 +/-    2.00      11.1 +/-    2.00  0.120 / 0.300
G21     343.5          65.3               10.7 +/-    0.65      11.7 +/-    0.65  0.100 / 0.260
G26     258.9          12.1               11.1 +/-    4.42      29.7 +/-    4.42  0.040 / 0.040
G27     321.8          11.6               -1.9 +/-   25.31      -5.0 +/-   25.31  0.040 / 0.050
G29     167.1          41.8               11.8 +/-    0.66      16.7 +/-    0.66  0.150 / 0.200