On 07/06/2016 00:36, Laurie VK3AMA wrote:
I have been working with a user experiencing a failure of WSJT-X to initiate a CQ response after receiving a UDP Reply Command (4) packet from JTAlert.

From what I can see, not all CQ decodes are supported by Reply Command. CQ messages that appear to have been created by using a free-text message appear to be ignored.

An example of CQ messages that are not working...

  * CQ W7BBQ DX
  * CQ DEL KW0RH
  * CQ K1RI OC AS

Is there a standard CQ message structure that is only supported by the UDP Reply Command?

HI Laurie,

reply messages are filtered for acceptability but those should all pass. The requirements are that the message contains the word CQ or the word QRZ, other than that the other fields of the UDP reply message must exactly match the original decode message. The only exception is a trivial edge case where WSJT-X can print -0.0 for the DT, in that case 0.0 is an allowed synonym since the float argument cannot reasonably be expected to be between -0.05 and zero (that being the reason that WSJT-X prints -0.0 as the Fortran print routine rounds like that).

I am not in a position to do a test at the moment but when I get a chance I will try with message_aggregator and see if I can reproduce this issue.

73
Bill
G4WJS.

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