New digital contest mode -- FT4

Paul Wilson
 

The transmit/receive sequences are 6 seconds--so it's 2.5 times faster than
FT8. (And just in time for Field Day...)

http://www.southgatearc.org/news/2019/april/new-digital-mode-ft4.htm#.XL9gzC2ZPUI

Paul / KI4PW

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