It also might not be a bad thing if some well-meaning but otherwise
uninformed ops running 1.8 wander into the "pileup" as it may help simulate
real-world conditions where this may also happen with more frequency.
Though they may not decode the "fox" I've seen any number of times where
people will start calling a "DX" even though they can't hear them so I'd
expect this will happen during the public test as word spreads.  It'll help
add legitimacy to real-world QRM.  

Just my 2 cents, feel free to keep the change :)

Jim S. 
N2ADV

-----Original Message-----
From: Joe Taylor [mailto:[email protected]] 
Sent: Monday, March 5, 2018 2:02 PM
To: [email protected]
Subject: Re: [wsjt-devel] Public test of FT8 DXpedition mode March 6-7

On 3/4/2018 8:12 PM, David Fisher NX6D wrote:
> I’m curious to know what will happen when someone wanders into these 
> tests, without RC2, and tries to send one of the messages not used in 
> these abbreviated sequences.  Will those callers be ignored?

Only Fox sends a new type of message -- that is, one not supported in WSJT-X
v1.8.0.

I hope it's clear in the FT8 DXpedition Mode User Guide
http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf

... that Fox will respond only to

1. Initial calls like line 2 in the User Guide's example sequence (top of
page 2).  These messages must be received above 1000 Hz; and

2. Messages like lines 4 and 6, from stations to whom Fox has already sent a
signal report.  These must be received between 300 and 900 Hz.

        -- 73, Joe, K1JT

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