[SADXA] 8R1/AG6UT and PJ5/SP6IXF on 18.100 FT8

[Jim Wysocki]

Use regular FT8 mode for both stations.  8R1/AG6UT is running a version 
of FT8 software that has three transmit threads but is not Fox and Hound 
mode.

GL,  Jim  W9FI