[ADXA] FT8 Question

[Dennis Schaefer]

That’s just what I would call a “false decode”.   I get one every week or so - comes out of nowhere, or noise, or ????  I don’t think it represents an actual amateur radio transmission, but if it derives from one, it is badly mangled.  

Dennis

> On Jul 18, 2022, at 5:35 PM, WB5JJJ <wb5jjj at gmail.com> wrote:
> 
> 
> 
> I guess I should have elaborated as well.  
> 
> What you are seeing is the left station (receiver) is the Rover, thus the /R suffix.  He's working the right station and that right station sends the "R" (RRR RR73 equal) and the right side (transmitting) stations grid square.  
> 
> But the call is bogus as the transmitting station call is invalid and the grid is on Antarctica. 
> 
> 73's
> George - WB5JJJ
> 
> 
> 4
> 
> 
>> On Mon, Jul 18, 2022 at 5:27 PM WB5JJJ <wb5jjj at gmail.com> wrote:
>> Simple answer is it's the NA VHF contest mode (CM).  Some FFMA grid rovers also use it as it's quicker and only exchanges grid squares.  
>> 
>> 73's
>> George - WB5JJJ
>> 
>> 
>> 4
>> 
>> 
>>> On Mon, Jul 18, 2022 at 5:23 PM John McKinnie <kt4ac at att.net> wrote:
>>> Periodically, I will see band activity like is highlighted with the red arrow below. This is on 6 Meter FT8.
>>> 
>>> Does anyone know what this information means?  
>>> 
>>> Regards,
>>> John
>>> KT4AC
>>> 
>>> 
>>> 
>>> 
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