[Lowfer] WE2XGR/2 in JT9-10 mode

jrusgrove at comcast.net jrusgrove at comcast.net
Sun Oct 28 08:49:39 EDT 2012


Also, may have to reset the green passband marker to 1450 after the change.

Jay

----- Original Message ----- 
From: <jrusgrove at comcast.net>
To: "Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands" <lowfer at mailman.qth.net>
Sent: Sunday, October 28, 2012 8:44 AM
Subject: Re: [Lowfer] WE2XGR/2 in JT9-10 mode


> Crank up the FFT Bins/pixel
>
> Jay W1VD  WD2XNS  WE2XGR/2
>
>
> ----- Original Message ----- 
> From: "John Andrews" <w1tag at charter.net>
> To: "Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands" <lowfer at mailman.qth.net>
> Sent: Sunday, October 28, 2012 8:47 AM
> Subject: Re: [Lowfer] WE2XGR/2 in JT9-10 mode
>
>
>> At least on this computer, WSJT-X, the low end of the receiving passband
>> appears to be 1000 Hz, with no option to change it. For the JT9-2 tests
>> last night, this was no issue, as the 1400-1500 Hz tones fell in the
>> wider passband. But for JT9-10, you are stuck with 1000-1100 Hz.
>>
>> So, I would suggest a USB dial frequency of 494.800 for this morning's
>> tests. Quirky.
>>
>> John, W1TAG
>>
>> On 10/28/2012 8:04 AM, jrusgrove at comcast.net wrote:
>>> WE2XGR/2 will be testing in WSJT-X JT9-10 mode for the next few hours on 494.400 dial (+1450).
>>> This
>>> mode has a theoretical s/n threshold of -37 dB (relative to a 2500 Hz BW). Reports are
>>> appreciated.
>>> Note that it may or may not be necessary to close and restart the program after a mode change 
>>> ...
>>> it
>>> seems to be required in transmit mode.
>>>
>>> Also, rather than using the 'canned'  CQ message when in beacon mode, the transmission will be
>>> WE2XGR/2 TEST ... which the program accepts ... probably a good idea for all stations
>>> transmitting
>>> in beacon mode.
>>>
>>> Jay W1VD  WD2XNS  WE2XGR/2
>>>
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