PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-21:13:40
G10     268.0          38.9               10.7 +/-    1.21      15.8 +/-    1.21  0.110 / 0.180
G13     41.4           17.4                8.1 +/-    1.23      19.1 +/-    1.23  0.110 / 0.190
G15     62.6           53.1                9.4 +/-    0.64      11.4 +/-    0.64  0.110 / 0.260
G16     277.6          11.9               10.0 +/-    2.38      26.6 +/-    2.38  0.100 / 0.230
G20     299.1          60.7                8.3 +/-    0.51       9.4 +/-    0.51  0.040 / 0.050
G21     4.9            72.3               10.9 +/-    1.00      11.4 +/-    1.00  0.050 / 0.040
G24     117.3          15.0               12.3 +/-    0.91      30.7 +/-    0.91  0.160 / 0.450
G27     318.7          18.6                8.0 +/-    1.49      18.1 +/-    1.49  0.200 / 0.620
G29     168.1          30.9               11.6 +/-    1.13      20.0 +/-    1.13  0.090 / 0.310
G32     204.1          10.8               -3.7 +/-   46.16     -10.1 +/-   46.16  0.110 / 0.290