Hi,

Concerning the following protocol item 13, I understand WSJT-X developers 
decided so respecting on traditional DX-pedition practice about logging 
behavior.

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13. When Fox receives your “R+rpt” message he responds with “RR73”. At this 
point he considers your QSO complete and logs it. When you receive “RR73” you 
should
log it, too !
14. If for some reason a Hound fails to copy an RR73 sent by Fox, that Hound 
will repeat his transmission of Tx 3 (“R+rpt”). Fox will respond to such “R+rpt”
messages by sending “RR73” up to three times.
--------------------------------------------------------------Page 5 of FT8 
DX-pedition Mode User 
Guide--------------------------------------------------------------

However, it is a fact that it creates following side-effects under real 
DX-pedition equipment and environment limitation which makes their signal weak 
and therefore the protocol item 14 becomes normal situation.


  1.  Creates uncertainty to Hound users whether “Fox log” was included their 
QSO without receiving “RR73” message.
  2.  Repeated Hound calls following protocol item 14 occupies Hound allocated 
spectrum and creates unnecessary QRMs.

To avoid the above side-effects, would you consider to add transmission of dupe 
message such as “DUPE” instead of “+rpt” message to these Hounds if Fox program 
detects repeated dupe calls after protocol item 14? It is also nice if Hound 
program detects “DUPE” message, it automatically stops further calls.

Regards,

take

de JA5AEA

Windows の メール<https://go.microsoft.com/fwlink/?LinkId=550986> から送信


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