[Yaesu] FT-920 digital operation

[John E.]

Looking at a FT-920 primarily for operating some of the digital
mode's like RTTY, Pactor, PSK31 etc.. also some utility monitoring
wondering if the YF116C 500HZ CW FILTER and or the TCXO7 TCXO UNIT
are needed or would make a noted difference.

Thanks de John K�CQW