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RTTY K3 Help

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joemoffatt

RTTY K3 Help

Apparently I haven't fooled with RTTY of any seriousness in years, but I am starting to get interested in DX chasing with it.

So, how do you guys recommend setting up the K3. I see FSK is much preferred by most to AFSK using say FLDIGI and audio input now days.

I know VERY little about this. I am a CW DX'er, but just interested in learning this and possibly doing a contest sometime.

Thanks,

Joe
AB5OR
Tupelo, MS

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Gordon LaPoint

Re: RTTY K3 Help

On 03/30/2015 02:42 PM, Joe Moffatt wrote:

> Apparently I haven't fooled with RTTY of any seriousness in years, but I am starting to get interested in DX chasing with it.
>
> So, how do you guys recommend setting up the K3. I see FSK is much preferred by most to AFSK using say FLDIGI and audio input now days.
>
> I know VERY little about this. I am a CW DX'er, but just interested in learning this and possibly doing a contest sometime.
>
> Thanks,
>
> Joe
> AB5OR
> Tupelo, MS
>
>

joemoffatt

Re: RTTY K3 Help

I think I actually misworded things.

I have N1MM and use it for CW all the time.

I have the audio cables, and everything works fine for AFSK PSK31.

I just have little experience recently with RTTY, and I just want to set it up correctly.

Joe

From: Gordon LaPoint [mailto:[hidden email]]
Sent: Monday, March 30, 2015 1:51 PM
To: Joe Moffatt; 'Elecraft Reflector'
Subject: Re: [Elecraft] RTTY K3 Help

On 03/30/2015 02:42 PM, Joe Moffatt wrote:

Joe,
What are you using for software? Do you have the interface's
built, or bought?
See: http://www.aa5au.com/rtty/ and: http://www.rttycontesting.com/

I do lots of RTTY contesting using a K3 and WriteLog for software. N1MM
also works good.

Gordon - N1MGO

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Iain MacDonnell - N6ML-2

Re: RTTY K3 Help

"AFSK PSK31"? There's an oxymoron ;)

If you have PSK31 working, you can do AFSK RTTY with the same hardware
configuration, but use the "AFSK A" sub-mode, instead of "DATA A". If
you want to do FSK instead ("FSK D" sub-mode), you'll need a hardware
interface of some sort (could be as simple as a couple of transistors
and resistors to level-convert between a RS232 port and the K3's PTT
and FSK inputs.

Whether or not FSK is better than AFSK is somewhat of a religious debate......

73,

~iain / N6ML

On Mon, Mar 30, 2015 at 11:56 AM, Joe Moffatt <[hidden email]> wrote:

> I think I actually misworded things.
>
> I have N1MM and use it for CW all the time.
>
> I have the audio cables, and everything works fine for AFSK PSK31.
>
> I just have little experience recently with RTTY, and I just want to set it up correctly.
>
> Joe
>
>
>
> From: Gordon LaPoint [mailto:[hidden email]]
> Sent: Monday, March 30, 2015 1:51 PM
> To: Joe Moffatt; 'Elecraft Reflector'
> Subject: Re: [Elecraft] RTTY K3 Help
>
> On 03/30/2015 02:42 PM, Joe Moffatt wrote:
>> Apparently I haven't fooled with RTTY of any seriousness in years, but I am starting to get interested in DX chasing with it.
>>
>> So, how do you guys recommend setting up the K3. I see FSK is much preferred by most to AFSK using say FLDIGI and audio input now days.
>>
>> I know VERY little about this. I am a CW DX'er, but just interested in learning this and possibly doing a contest sometime.
>>
>> Thanks,
>>
>> Joe
>> AB5OR
>> Tupelo, MS
>>
>>
> Joe,
> What are you using for software? Do you have the interface's
> built, or bought?
> See: http://www.aa5au.com/rtty/ and: http://www.rttycontesting.com/
>
> I do lots of RTTY contesting using a K3 and WriteLog for software. N1MM
> also works good.
>
> Gordon - N1MGO
>
> ________________________________
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Joe Subich, W4TV-4

Re: RTTY K3 Help

In reply to this post by joemoffatt

> I have the audio cables, and everything works fine for AFSK PSK31.

If everything works normally for PSK31, you should be able to use
the same configuration *except* you select AFSK A for RTTY in the
K3.

That should work with MMTTY or the MMTTY interface built into the
Digital Interface of N1MM Logger.

73,

... Joe, W4TV

On 2015-03-30 2:56 PM, Joe Moffatt wrote:

k6dgw

Re: RTTY K3 Help

In reply to this post by joemoffatt

MMTTY [free] will provide stand-alone AFSK RTTY with your current setup.
N1MM will also use the MMTTY engine for you in a contest or when
calling DX in a pileup. Download MMTTY to someplace on your computer,
and then in the N1MM setup, tell it where to find MMTTY. Then, in N1MM
when you open the digital interface window, the MMTTY window will also
come up. MMTTY is a tad complex and obscure, but the good news is that
it works well right out of the box, so you can ignore most of the options.

Never understood the infatuation with direct FSK, but to each his own.
For RTTY, select AFSK-A. You can select audio frequency with the K3
PITCH control, there are 4 choices I believe, mine is at 915 Hz
[lowest]. Be sure MMTTY is also set at 915. Recent firmware editions
include a filter in AFSK-A which really narrows your signal. AFSK-A is LSB.

Put the K3 in TX TEST, go to transmit, and adjust the MIC GAIN for 4
solid bars ALC with the 5th flickering. Then go to TX NORM and set the
desired power. You can't control the power on a K3 with the MIC GAIN.

You won't find many casual QSO's on RTTY. "AFSK PSK31" is actually
redundant. :-)

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 3/30/2015 11:56 AM, Joe Moffatt wrote:

> I think I actually misworded things.
>
> I have N1MM and use it for CW all the time.
>
> I have the audio cables, and everything works fine for AFSK PSK31.
>
> I just have little experience recently with RTTY, and I just want to
> set it up correctly.
>
> On 03/30/2015 02:42 PM, Joe Moffatt wrote:
>> Apparently I haven't fooled with RTTY of any seriousness in years,
>> but I am starting to get interested in DX chasing with it.
>>
>> So, how do you guys recommend setting up the K3. I see FSK is much
>> preferred by most to AFSK using say FLDIGI and audio input now
>> days.
>>
>> I know VERY little about this. I am a CW DX'er, but just interested
>> in learning this and possibly doing a contest sometime.
>>
>> Thanks,
>>
>> Joe AB5OR Tupelo, MS

joemoffatt

Re: RTTY K3 Help

In reply to this post by Joe Subich, W4TV-4

Definitely going to try that!

-------- Original message --------
From: "Joe Subich, W4TV" <[hidden email]>
Date: 03/30/2015 3:03 PM (GMT-06:00)
To: [hidden email]
Subject: Re: [Elecraft] RTTY K3 Help

> I have the audio cables, and everything works fine for AFSK PSK31.

If everything works normally for PSK31, you should be able to use
the same configuration *except* you select AFSK A for RTTY in the
K3.

That should work with MMTTY or the MMTTY interface built into the
Digital Interface of N1MM Logger.

73,

... Joe, W4TV

On 2015-03-30 2:56 PM, Joe Moffatt wrote:

> I think I actually misworded things.
>
> I have N1MM and use it for CW all the time.
>
> I have the audio cables, and everything works fine for AFSK PSK31.
>
> I just have little experience recently with RTTY, and I just want to set it up correctly.
>
> Joe
>
>
>
> From: Gordon LaPoint [mailto:[hidden email]]
> Sent: Monday, March 30, 2015 1:51 PM
> To: Joe Moffatt; 'Elecraft Reflector'
> Subject: Re: [Elecraft] RTTY K3 Help
>
> On 03/30/2015 02:42 PM, Joe Moffatt wrote:
>> Apparently I haven't fooled with RTTY of any seriousness in years, but I am starting to get interested in DX chasing with it.
>>
>> So, how do you guys recommend setting up the K3. I see FSK is much preferred by most to AFSK using say FLDIGI and audio input now days.
>>
>> I know VERY little about this. I am a CW DX'er, but just interested in learning this and possibly doing a contest sometime.
>>
>> Thanks,
>>
>> Joe
>> AB5OR
>> Tupelo, MS
>>
>>
> Joe,
> What are you using for software? Do you have the interface's
> built, or bought?
> See: http://www.aa5au.com/rtty/ and: http://www.rttycontesting.com/
>
> I do lots of RTTY contesting using a K3 and WriteLog for software. N1MM
> also works good.
>
> Gordon - N1MGO
>
> ________________________________
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> Login<https://asp.reflexion.net/login?domain=selectconnect.net>
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> To: [hidden email]<mailto:[hidden email]><https://asp.reflexion.net/address-properties?aID=750607761&domain=selectconnect.net>
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>
> High (60): Pass
>
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>
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>
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>
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