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Re: LF: JT9 Coding?

To: [email protected]
Subject: Re: LF: JT9 Coding?
From: Andy Talbot <[email protected]>
Date: Mon, 1 Feb 2016 21:55:53 +0000
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On 1 February 2016 at 21:35, <[email protected]> wrote:

Thanks a lot Andy, that’s exactly what I was looking for. It’s not obvious on the website but the download URL is


Interestingly, „i have a cat“ throws an error but „i_have_a_cat“ did what I wanted.


Rik, Vinny, my term „linear transmitter“ was probably inaccurate wording, I just meant an SSB mixer from audio to RF.


Best 73,




Von: Andy Talbot
Gesendet: Montag, 1. Februar 2016 21:39
An: [email protected]
Betreff: Re: LF: JT9 Coding?


There is a separate utility called JT9CODE, downloadable from the WSJT website

There is a similar one for JT65


They are a bit convoluted to use, so I wrote wrappers for them to intercept the output to screen and send to formatted files for including within PIC .assembler files


Andy  G4JNT



On 1 February 2016 at 20:22, <[email protected]> wrote:

While we’re at it…  I recently missed the JT9 activity night, mostly due to the lack of a linear MF transmitter. For WSPR, I’ve used a commandline tool (wsprcode.exe, or wspr.exe with -tx option) to encode a message to a file. This is then read by a little homemade program (ddswspr.exe), which feeds an AD9850 DDS module through the serial port.


Does anyone know whether a similar encoding option exists for JT9?


Best 73,

Markus (DF6NM)


Von: John Andrews
Gesendet: Montag, 1. Februar 2016 19:17
An: [email protected]
Betreff: Re: LF: WOLF Coding


"If you have a BPSK-capable beacon which uses an EEPROM to store its

message, WOLF can generate a binary file suitable for programming the





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