[Lowfer] WD2XNS 137.750 JASON Mode
jrusgrove at comcast.net
jrusgrove at comcast.net
Sun Dec 29 10:04:18 EST 2013
Doug
Thanks for hanging in there ... you're right on the threshold. Would probably clear up in JASON
'slow' but that is serious 'watching paint dry' mode ... although it is quicker than some QRSS modes
in regular use. Think it just 'feels' slow waiting for characters to pop up.
Jay
----- Original Message -----
From: "Douglas D. Williams" <kb4oer at gmail.com>
To: "Discussion of the Lowfer (US, European, &,UK) and MedFer bands" <lowfer at mailman.qth.net>
Sent: Sunday, December 29, 2013 9:55 AM
Subject: Re: [Lowfer] WD2XNS 137.750 JASON Mode
> Success!
>
> https://dl.dropboxusercontent.com/u/33457409/wd2xns%20jasonmode.png
>
> Thanks for letting me try a new mode (new to me anyway).
>
> -Doug KB4OER
>
>
> On Sun, Dec 29, 2013 at 9:43 AM, Douglas D. Williams <kb4oer at gmail.com>wrote:
>
>> Almost got you this time. Both receivers got the word CALM, then most of
>> your call, with different missing characters, lol.
>>
>>
>> https://dl.dropboxusercontent.com/u/33457409/Screenshot%202013-12-29%2009.40.40.png
>>
>> D.
>>
>>
>> On Sun, Dec 29, 2013 at 9:40 AM, John Andrews <w1tag at charter.net> wrote:
>>
>>> Doug,
>>>
>>> I don't think that sound card cal makes a lot of difference, as the
>>> decoding depends on the frequency difference between successive tones.
>>>
>>> JASON does not have forward error correction, so fades and noise hits can
>>> cause lost characters. On the other hand, it doesn't wallow around looking
>>> for a re-sync, so the obliterations are usually confined just to the bad
>>> signal period.
>>>
>>> It does make a decent weak-signal QSO mode. The character throughput is
>>> better than QRSS3.
>>>
>>> John, W1TAG
>>>
>>>
>>> On 12/29/2013 9:32 AM, Douglas D. Williams wrote:
>>>
>>>> Running it on two separate receivers. Got "2XNS" on one of them.
>>>>
>>>> Probably need to calibrate my sound card to get good results with this
>>>> mode.
>>>>
>>>>
>>>>
>>>>
>>>> On Sun, Dec 29, 2013 at 9:09 AM, <jrusgrove at comcast.net> wrote:
>>>>
>>>> JA
>>>>>
>>>>> Don't notice any 'nasties' on the signal during the frequency excursions
>>>>> here ... how about at your locale? Would assume it is phase continuous.
>>>>>
>>>>> JR
>>>>>
>>>>>
>>>>> ----- Original Message ----- From: "John Andrews" <w1tag at charter.net>
>>>>> To: "Discussion of the Lowfer (US, European, &UK) and MedFer bands"
>>>>> <
>>>>> lowfer at mailman.qth.net>
>>>>> Sent: Sunday, December 29, 2013 9:07 AM
>>>>>
>>>>> Subject: Re: [Lowfer] WD2XNS 137.750 JASON Mode
>>>>>
>>>>>
>>>>> JR,
>>>>>
>>>>>>
>>>>>> Decoding OK here...strong signal, obviously. For the group, the screen
>>>>>> should show "JN" in the bottom left corner, indicating Jason Normal
>>>>>> mode.
>>>>>> Don't enable the Fast, Slow or Turbo options.
>>>>>>
>>>>>> JA
>>>>>>
>>>>>> On 12/29/2013 9:00 AM, jrusgrove at comcast.net wrote:
>>>>>>
>>>>>> Doug
>>>>>>>
>>>>>>> 137.750 is the center of the signal. I normally use cw mode with an
>>>>>>> 800
>>>>>>> Hz BFO. The program allows setting other BFO offsets. Signal (if
>>>>>>> visible) should fall between yellow 'guardrails'.
>>>>>>>
>>>>>>> Jay
>>>>>>>
>>>>>>> ----- Original Message ----- From: "Douglas D. Williams" <
>>>>>>> kb4oer at gmail.com>
>>>>>>> To: "Discussion of the Lowfer (US, European, &,UK) and MedFer
>>>>>>> bands"
>>>>>>> <lowfer at mailman.qth.net>
>>>>>>> Sent: Sunday, December 29, 2013 8:56 AM
>>>>>>> Subject: Re: [Lowfer] WD2XNS 137.750 JASON Mode
>>>>>>>
>>>>>>>
>>>>>>> For some reason, it won't let me select audio input device, but I
>>>>>>> see
>>>>>>>
>>>>>>>> the
>>>>>>>> blue bar on the left moving, so I assume it selected the proper mic
>>>>>>>> port. I
>>>>>>>> have random characters popping up in the window.
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sun, Dec 29, 2013 at 8:54 AM, Douglas D. Williams
>>>>>>>> <kb4oer at gmail.com>wrote:
>>>>>>>>
>>>>>>>> Never used Jason before, but I downloaded it and got it running. I
>>>>>>>>
>>>>>>>>> assume
>>>>>>>>> set the receiver to USB?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Sun, Dec 29, 2013 at 8:41 AM, <jrusgrove at comcast.net> wrote:
>>>>>>>>>
>>>>>>>>> From the grooveyard of forgotten favorites ... WD2XNS will be
>>>>>>>>>
>>>>>>>>>> transmitting in Jason mode (normal speed) for the next couple
>>>>>>>>>> hours. IIRC,
>>>>>>>>>> first time I've run this mode with the phasing exciter > frequency
>>>>>>>>>> doubler
>>>>>>>>>>
>>>>>>>>>>> Class D setup. Print out looks okay locally.
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Reports appreciated.
>>>>>>>>>>
>>>>>>>>>> Jay W1VD WD2XNS WE2XGR/2 WG2XRS/2
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