Re: [Elecraft] K3S fsk with usb

[Bill Frantz]

In contest mode, RUMlogNG (for the Macintosh) uses the cat 
commands (probably KY and TB) to send and receive RTTY (and CW 
and probably PSK). This places all timing responsibility on the 
K3 with no additional wires, boxes, or circuits.


There are a couple of "features" which are somewhat annoying:

(1) While you can chain sends in CW, chaining doesn't work in 
RTTY (very annoying).
(2) You have to turn off decode display on the P3/SVGA to get 
complete copy.


73 Bill AE6JV

On 8/30/18 at 11:19 AM, ve3...@gmail.com (Richard Ferch) wrote:


In principle, an RTTY program could use radio control commands to key FSK
via the USB cable to the radio, but none of the RTTY modems supported by
N1MM+ (including MMTTY) use this method. It should be possible to program
CAT1ASC macros into the N1MM+ function keys to implement this approach, but
I don't know whether anyone has tried this. There are a number of people
who have used a similar approach for keying CW from N1MM+ with the KX2 and
KX3, and offhand I cannot think of a reason why it would not also work in
FSK RTTY, but I have never tried it. Just as in CW, there are likely to be
some features of N1MM+ that work with more traditional methods but that
wouldn't work using this unsupported method.

---
Bill Frantz| When an old person dies, a   | Periwinkle
(408)356-8506  | library burns. - Joe McGawon | 16345 
Englewood Ave
www.pwpconsult.com | Irish Ethnographer   | Los Gatos, 
CA 95032


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Re: [Elecraft] K3S fsk with usb

[brian]

I think this is interesting.  Things have gone in a circle and 
paralleled what happened to CW.  The solution to CW timing problems was 
WINKEY.  Now we are doing the same with RTTY.


This isn't new. HAL and others have had stand alone boxes mirroring this 
for ages. You sent the ASCII character text stream to it and it 
generates the precisely timed RTTY signals (either FSK or AFSK) along 
with PTT.  The ASCII string can be somewhat ill timed. I still use HAL's 
DXP-38.  No sound card /operating system quirks to deal with. I can 
understand wires. Of course, you need some program to generate the ASCII 
string and send it to the hardware box.


Nothing is really new under the sun.

73 de Brian/K3KO

On 8/31/2018 6:17 AM, Peter B wrote:

Thanks to everyone for the help and info.
It help me a lot to get things done the whe i wanted.
73s
Peter/pd1rp


Op vr 31 aug. 2018 om 05:31 schreef Bob Wilson, N6TV 


Yes the S-BOX is designed to key FSK and PTT on a K3 ACC port, providing
the traditional NPN keying circuit, with no Y-BOX required (though it may
be convenient to have as well, depending on what else you need to connect
to the K3 ACC port).  Straight 9-pin and 15-pin D-SUB cables handle
everything, no need to use the S-BOX RCA connectors if you have a K3 or
K3S.  There are four independent keying circuits inside the S-BOX, so you
can key FSK on two radios with the one box, or CW/PTT on one and FSK/PTT on
the other, if you like.

See these links for a sample connection diagram and schematics:

https://www.kkn.net/~n6tv/S-BOX/Features.html#RemoteHams

https://www.kkn.net/~n6tv/S-BOX/Features.html#SO2RRTTY

Many other configurations are possible.

If you use a USB-to-Serial device by Edgeport, MMTTY can open open the
serial port directly at 45.5 baud Baudot.  If you use one based on FTDI,
such as the one built-in to the S-BOX-USB, you need to use EXTFSK or
EXTFSK64 with MMTTY since MMTTY standalone cannot open these directly at
45.5 baud.

The K3 produces very clean FSK.  AFSK can also work but there is more
potential for RFI problems and getting the audio levels set just right.

73,
Bob, N6TV
https://bit.ly/S-BOX

On Thu, Aug 30, 2018 at 6:53 PM, Peter W2IRT  wrote:


I went a similar route with a MicroKeyer MK-II. Does the job very well,
but it
makes disconnecting and re-connecting the radio a cast iron bear of a

job.

I
really want to replace the MK-II with another (simpler) solution for FSK,
CW
keying, SSB voice file sequencing and CAT control, and was thinking the
combination of a Y-box and an S-box-USB would do the job. The problem
being the
MK-II is RFI-susceptible, and the software has eaten itself on several
occasions
over the past few years.

  - pjd


-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:elecraft-bounces@
mailman.qth.net]
On Behalf Of AB4IQ
Sent: Thursday, August 30, 2018 9:04 PM
To: 'Nr4c'; 'Richard Ferch'
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S fsk with usb

I have a RigExpert TI-8 and Cable for the K3S that I bought new that does
FSK with a built in Winkeyer as well.  I thought I would use it on the

K3S

but instead I just went the USB route and do AFSK.  It's still setting in
the box looking lonely.  I also have cables for the Ten Tec Orion II, and
Kenwood 590SG which I have parted with recently and probably need to get
rid
of this much needed (Ya Right) stuff.  Hi..

The USB route was the simplest and does all of the sound card modes.

Ed.. AB4IQ


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Re: [Elecraft] K3S fsk with usb

[Peter B]

Thanks to everyone for the help and info.
It help me a lot to get things done the whe i wanted.
73s
Peter/pd1rp


Op vr 31 aug. 2018 om 05:31 schreef Bob Wilson, N6TV 

> Yes the S-BOX is designed to key FSK and PTT on a K3 ACC port, providing
> the traditional NPN keying circuit, with no Y-BOX required (though it may
> be convenient to have as well, depending on what else you need to connect
> to the K3 ACC port).  Straight 9-pin and 15-pin D-SUB cables handle
> everything, no need to use the S-BOX RCA connectors if you have a K3 or
> K3S.  There are four independent keying circuits inside the S-BOX, so you
> can key FSK on two radios with the one box, or CW/PTT on one and FSK/PTT on
> the other, if you like.
>
> See these links for a sample connection diagram and schematics:
>
> https://www.kkn.net/~n6tv/S-BOX/Features.html#RemoteHams
>
> https://www.kkn.net/~n6tv/S-BOX/Features.html#SO2RRTTY
>
> Many other configurations are possible.
>
> If you use a USB-to-Serial device by Edgeport, MMTTY can open open the
> serial port directly at 45.5 baud Baudot.  If you use one based on FTDI,
> such as the one built-in to the S-BOX-USB, you need to use EXTFSK or
> EXTFSK64 with MMTTY since MMTTY standalone cannot open these directly at
> 45.5 baud.
>
> The K3 produces very clean FSK.  AFSK can also work but there is more
> potential for RFI problems and getting the audio levels set just right.
>
> 73,
> Bob, N6TV
> https://bit.ly/S-BOX
>
> On Thu, Aug 30, 2018 at 6:53 PM, Peter W2IRT  wrote:
>
> > I went a similar route with a MicroKeyer MK-II. Does the job very well,
> > but it
> > makes disconnecting and re-connecting the radio a cast iron bear of a
> job.
> > I
> > really want to replace the MK-II with another (simpler) solution for FSK,
> > CW
> > keying, SSB voice file sequencing and CAT control, and was thinking the
> > combination of a Y-box and an S-box-USB would do the job. The problem
> > being the
> > MK-II is RFI-susceptible, and the software has eaten itself on several
> > occasions
> > over the past few years.
> >
> >  - pjd
> >
> >
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net [mailto:elecraft-bounces@
> > mailman.qth.net]
> > On Behalf Of AB4IQ
> > Sent: Thursday, August 30, 2018 9:04 PM
> > To: 'Nr4c'; 'Richard Ferch'
> > Cc: elecraft@mailman.qth.net
> > Subject: Re: [Elecraft] K3S fsk with usb
> >
> > I have a RigExpert TI-8 and Cable for the K3S that I bought new that does
> > FSK with a built in Winkeyer as well.  I thought I would use it on the
> K3S
> > but instead I just went the USB route and do AFSK.  It's still setting in
> > the box looking lonely.  I also have cables for the Ten Tec Orion II, and
> > Kenwood 590SG which I have parted with recently and probably need to get
> > rid
> > of this much needed (Ya Right) stuff.  Hi..
> >
> > The USB route was the simplest and does all of the sound card modes.
> >
> > Ed.. AB4IQ
> >
> >
> > __
> > Elecraft mailing list
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> > Help: http://mailman.qth.net/mmfaq.htm
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> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to n...@arrl.net
> >
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Re: [Elecraft] K3S fsk with usb

[Bob Wilson, N6TV]

Yes the S-BOX is designed to key FSK and PTT on a K3 ACC port, providing
the traditional NPN keying circuit, with no Y-BOX required (though it may
be convenient to have as well, depending on what else you need to connect
to the K3 ACC port).  Straight 9-pin and 15-pin D-SUB cables handle
everything, no need to use the S-BOX RCA connectors if you have a K3 or
K3S.  There are four independent keying circuits inside the S-BOX, so you
can key FSK on two radios with the one box, or CW/PTT on one and FSK/PTT on
the other, if you like.

See these links for a sample connection diagram and schematics:

https://www.kkn.net/~n6tv/S-BOX/Features.html#RemoteHams

https://www.kkn.net/~n6tv/S-BOX/Features.html#SO2RRTTY

Many other configurations are possible.

If you use a USB-to-Serial device by Edgeport, MMTTY can open open the
serial port directly at 45.5 baud Baudot.  If you use one based on FTDI,
such as the one built-in to the S-BOX-USB, you need to use EXTFSK or
EXTFSK64 with MMTTY since MMTTY standalone cannot open these directly at
45.5 baud.

The K3 produces very clean FSK.  AFSK can also work but there is more
potential for RFI problems and getting the audio levels set just right.

73,
Bob, N6TV
https://bit.ly/S-BOX

On Thu, Aug 30, 2018 at 6:53 PM, Peter W2IRT  wrote:

> I went a similar route with a MicroKeyer MK-II. Does the job very well,
> but it
> makes disconnecting and re-connecting the radio a cast iron bear of a job.
> I
> really want to replace the MK-II with another (simpler) solution for FSK,
> CW
> keying, SSB voice file sequencing and CAT control, and was thinking the
> combination of a Y-box and an S-box-USB would do the job. The problem
> being the
> MK-II is RFI-susceptible, and the software has eaten itself on several
> occasions
> over the past few years.
>
>  - pjd
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net [mailto:elecraft-bounces@
> mailman.qth.net]
> On Behalf Of AB4IQ
> Sent: Thursday, August 30, 2018 9:04 PM
> To: 'Nr4c'; 'Richard Ferch'
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3S fsk with usb
>
> I have a RigExpert TI-8 and Cable for the K3S that I bought new that does
> FSK with a built in Winkeyer as well.  I thought I would use it on the K3S
> but instead I just went the USB route and do AFSK.  It's still setting in
> the box looking lonely.  I also have cables for the Ten Tec Orion II, and
> Kenwood 590SG which I have parted with recently and probably need to get
> rid
> of this much needed (Ya Right) stuff.  Hi..
>
> The USB route was the simplest and does all of the sound card modes.
>
> Ed.. AB4IQ
>
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Re: [Elecraft] K3S fsk with usb

[Peter W2IRT]

I went a similar route with a MicroKeyer MK-II. Does the job very well, but it
makes disconnecting and re-connecting the radio a cast iron bear of a job. I
really want to replace the MK-II with another (simpler) solution for FSK, CW
keying, SSB voice file sequencing and CAT control, and was thinking the
combination of a Y-box and an S-box-USB would do the job. The problem being the
MK-II is RFI-susceptible, and the software has eaten itself on several occasions
over the past few years.

 - pjd


-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net]
On Behalf Of AB4IQ
Sent: Thursday, August 30, 2018 9:04 PM
To: 'Nr4c'; 'Richard Ferch'
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S fsk with usb

I have a RigExpert TI-8 and Cable for the K3S that I bought new that does
FSK with a built in Winkeyer as well.  I thought I would use it on the K3S
but instead I just went the USB route and do AFSK.  It's still setting in
the box looking lonely.  I also have cables for the Ten Tec Orion II, and
Kenwood 590SG which I have parted with recently and probably need to get rid
of this much needed (Ya Right) stuff.  Hi..

The USB route was the simplest and does all of the sound card modes.

Ed.. AB4IQ


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Re: [Elecraft] K3S fsk with usb

[AB4IQ]

I have a RigExpert TI-8 and Cable for the K3S that I bought new that does
FSK with a built in Winkeyer as well.  I thought I would use it on the K3S
but instead I just went the USB route and do AFSK.  It's still setting in
the box looking lonely.  I also have cables for the Ten Tec Orion II, and
Kenwood 590SG which I have parted with recently and probably need to get rid
of this much needed (Ya Right) stuff.  Hi..

The USB route was the simplest and does all of the sound card modes.

Ed.. AB4IQ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Nr4c
Sent: Thursday, August 30, 2018 7:23 PM
To: Richard Ferch 
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S fsk with usb

I believe that FSK uses the TX signal on a serial port  and is connected to
a pin on the DE15 ACC2 port on the K3(S). 

Sent from my iPhone
...nr4c. bill


> On Aug 30, 2018, at 2:19 PM, Richard Ferch  wrote:
> 
> To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some 
> kind of serial port-based keying interface; and (b) a cable from the 
> keying interface to the 15-pin ACC port on the back of the K3/K3S (pin 
> 1 is the FSK keying input).
> 
> The serial port used for FSK keying by MMTTY must be a different 
> serial port from the port used by N1MM+ for radio control. The two 
> programs cannot share the same serial port.
> 
> The serial port interface can be a one-transistor keying circuit 
> connected to a true serial port, or the same kind of interface 
> connected to a USB-to-serial adapter with the help of the EXTFSK 
> plugin in MMTTY, or a USB device that incorporates both a virtual 
> serial port and a keying circuit, such as a commercially available 
> keying interface (e.g. microHam, RigExpert, ...), or a TinyFSK (either 
> with a special plugin for MMTTY or used directly from N1MM+).
> 
> In principle, an RTTY program could use radio control commands to key 
> FSK via the USB cable to the radio, but none of the RTTY modems 
> supported by
> N1MM+ (including MMTTY) use this method. It should be possible to 
> N1MM+ program
> CAT1ASC macros into the N1MM+ function keys to implement this 
> approach, but I don't know whether anyone has tried this. There are a 
> number of people who have used a similar approach for keying CW from 
> N1MM+ with the KX2 and KX3, and offhand I cannot think of a reason why 
> it would not also work in FSK RTTY, but I have never tried it. Just as 
> in CW, there are likely to be some features of N1MM+ that work with 
> more traditional methods but that wouldn't work using this unsupported
method.
> 
> 73,
> Rich VE3KI
> 
> 
> PD1RP wrote:
> 
> I want to do FSK with my K3S.
> N1MM and MMTTY.
> The USB cable i used it for radio control.
> What kind of cable do i need for FSK or can i used the USB cable also.
> Any suggestions are welcome.
> __

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Re: [Elecraft] K3S fsk with usb

[Nr4c]

I believe that FSK uses the TX signal on a serial port  and is connected to a 
pin on the DE15 ACC2 port on the K3(S). 

Sent from my iPhone
...nr4c. bill


> On Aug 30, 2018, at 2:19 PM, Richard Ferch  wrote:
> 
> To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some kind
> of serial port-based keying interface; and (b) a cable from the keying
> interface to the 15-pin ACC port on the back of the K3/K3S (pin 1 is the
> FSK keying input).
> 
> The serial port used for FSK keying by MMTTY must be a different serial
> port from the port used by N1MM+ for radio control. The two programs cannot
> share the same serial port.
> 
> The serial port interface can be a one-transistor keying circuit connected
> to a true serial port, or the same kind of interface connected to a
> USB-to-serial adapter with the help of the EXTFSK plugin in MMTTY, or a USB
> device that incorporates both a virtual serial port and a keying circuit,
> such as a commercially available keying interface (e.g. microHam,
> RigExpert, ...), or a TinyFSK (either with a special plugin for MMTTY or
> used directly from N1MM+).
> 
> In principle, an RTTY program could use radio control commands to key FSK
> via the USB cable to the radio, but none of the RTTY modems supported by
> N1MM+ (including MMTTY) use this method. It should be possible to program
> CAT1ASC macros into the N1MM+ function keys to implement this approach, but
> I don't know whether anyone has tried this. There are a number of people
> who have used a similar approach for keying CW from N1MM+ with the KX2 and
> KX3, and offhand I cannot think of a reason why it would not also work in
> FSK RTTY, but I have never tried it. Just as in CW, there are likely to be
> some features of N1MM+ that work with more traditional methods but that
> wouldn't work using this unsupported method.
> 
> 73,
> Rich VE3KI
> 
> 
> PD1RP wrote:
> 
> I want to do FSK with my K3S.
> N1MM and MMTTY.
> The USB cable i used it for radio control.
> What kind of cable do i need for FSK or can i used the USB cable also.
> Any suggestions are welcome.
> __

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Re: [Elecraft] K3S fsk with usb

[Larry (K8UT)]

This thread is running parallel to a discussion running on the DXLabs 
reflector today, due to the release of a new MMTTY FSK interface to 
TinyFSK programmed by Oba JA7UDE. I'll apologize in advance for 
inserting the following:


""""
I'd like to avoid having my response drag this thread into the perpetual 
debate about AFSK versus FSK RTTY.


However, if you already know that you prefer RTTY via FSK there has been 
a secondary argument about whether a RTTY application that is dependent 
on the interrupt/event timing characteristics of Windows can produce 
high fidelity FSK RTTY. Many (myself included) believe that the best 
RTTY FSK signals can be achieved by "outsourcing" RTTY timing to a 
separate processor -- which is exactly what TinySK achieves by running 
on an external Arduino board.


Then the problem becomes "well, can my RTTY program (MMTTY in this case) 
talk to a TinyFSK board?" Up until now MMTTY operating stand-alone had 
no interface to TinyFSK. This new modem definition file from Oba JA7UDE 
provides that interface. For users of other logging programs (like N1MM, 
DXLabs WinWarbler) where the developers had previously written 
work-arounds that could interface from MMTTY to TinyFSK, this work by 
JA7UDE may simplify the plumbing and configuration of a TinyFSK 
connection.


Finally, the last question becomes "well, what do I need to get this 
working?" If you google "tinyfsk by K0SM" you will see many websites 
(selfishly -- including my own www.mortty.info/mortty ) devoted to 
connecting your PC's USB port to an Arduino board with supporting 
hardware.

""""

Additionally, Joe W4TV added that there are commercial devices available 
from several companies, most notably microHAM, which also "outsource" 
FSK RTTY timing to their external processors.


-larry (K8UT)

-- Original Message --
From: "brian" 
To: elecraft@mailman.qth.net
Sent: 2018-08-30 15:35:32
Subject: Re: [Elecraft] K3S fsk with usb


Rich,

I seem to recall that the serial port needed for FSK generally cannot 
come from the run of the mill USB/RS232 converters.  They can't operate 
at 45 baud/5 bit rate needed.


See: http://aa5au.com/GettingStartedOnRtty.pdf

This is old info and things may have changed.

So what does a guy who has only USB ports do other than AFSK?  I 
thought that was his question.


73 de Brian/K3KO

On 8/30/2018 18:19 PM, Richard Ferch wrote:
To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some 
kind

of serial port-based keying interface; and (b) a cable from the keying
interface to the 15-pin ACC port on the back of the K3/K3S (pin 1 is 
the

FSK keying input).

The serial port used for FSK keying by MMTTY must be a different 
serial
port from the port used by N1MM+ for radio control. The two programs 
cannot

share the same serial port.

The serial port interface can be a one-transistor keying circuit 
connected

to a true serial port, or the same kind of interface connected to a
USB-to-serial adapter with the help of the EXTFSK plugin in MMTTY, or 
a USB
device that incorporates both a virtual serial port and a keying 
circuit,

such as a commercially available keying interface (e.g. microHam,
RigExpert, ...), or a TinyFSK (either with a special plugin for MMTTY 
or

used directly from N1MM+).

In principle, an RTTY program could use radio control commands to key 
FSK
via the USB cable to the radio, but none of the RTTY modems supported 
by
N1MM+ (including MMTTY) use this method. It should be possible to 
program
CAT1ASC macros into the N1MM+ function keys to implement this 
approach, but
I don't know whether anyone has tried this. There are a number of 
people
who have used a similar approach for keying CW from N1MM+ with the KX2 
and
KX3, and offhand I cannot think of a reason why it would not also work 
in
FSK RTTY, but I have never tried it. Just as in CW, there are likely 
to be
some features of N1MM+ that work with more traditional methods but 
that

wouldn't work using this unsupported method.

73,
Rich VE3KI


PD1RP wrote:

I want to do FSK with my K3S.
N1MM and MMTTY.
The USB cable i used it for radio control.
What kind of cable do i need for FSK or can i used the USB cable also.
Any suggestions are welcome.
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This li

Re: [Elecraft] K3S fsk with usb

[Richard Ferch]

Brian,

My first response would be "use AFSK". My second would be "use a TinyFSK
for FSK". But in response to your question, if you really want to key FSK
directly from a USB-to-serial adapter you can use the EXTFSK plugin in
MMTTY (). This works with any
USB-to-serial adapter. There is also a 64-bit version that supports other
baud rates () at the expense
of heavier CPU requirements.

As distinct from AFSK, neither TinyFSK nor FSK keying with EXTFSK works via
the USB cable used for radio control of the K3S (or K3 with KIO3B), which
was how I interpreted the original question. They both require their own
USB port, separate from the one used with the K3S for radio control and
sound card audio.

73,
Rich VE3KI

K3KO asked:

I seem to recall that the serial port needed for FSK generally cannot
come from the run of the mill USB/RS232 converters.  They can't operate
at 45 baud/5 bit rate needed.

See: http://aa5au.com/GettingStartedOnRtty.pdf

This is old info and things may have changed.

So what does a guy who has only USB ports do other than AFSK?  I thought
that was his question.
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Re: [Elecraft] K3S fsk with usb

[Henk de Vries (hdv)]

Hi Peter,

Using a regular/cheap USB <> RS232 converter and NPN-"interface" to the ACC
port.
FSK works fine here with my K3s.

MMTTY settings:
TX menu : port = EXTFSK64
Misc menu : tx-port = Com-TxD(FSK) ,  click USB and set C where needed

Audio via USB.

Henk PA0C

PS, kan jammer genoeg niet met RTTY contest meedoen

-Oorspronkelijk bericht-
Van: elecraft-boun...@mailman.qth.net 
Namens brian
Verzonden: donderdag 30 augustus 2018 19:36
Aan: elecraft@mailman.qth.net
Onderwerp: Re: [Elecraft] K3S fsk with usb

Rich,

I seem to recall that the serial port needed for FSK generally cannot come
from the run of the mill USB/RS232 converters.  They can't operate at 45
baud/5 bit rate needed.

See: http://aa5au.com/GettingStartedOnRtty.pdf

This is old info and things may have changed.

So what does a guy who has only USB ports do other than AFSK?  I thought
that was his question.

73 de Brian/K3KO

On 8/30/2018 18:19 PM, Richard Ferch wrote:
> To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some 
> kind of serial port-based keying interface; and (b) a cable from the 
> keying interface to the 15-pin ACC port on the back of the K3/K3S (pin 
> 1 is the FSK keying input).
>
> The serial port used for FSK keying by MMTTY must be a different 
> serial port from the port used by N1MM+ for radio control. The two 
> programs cannot share the same serial port.
>
> The serial port interface can be a one-transistor keying circuit 
> connected to a true serial port, or the same kind of interface 
> connected to a USB-to-serial adapter with the help of the EXTFSK 
> plugin in MMTTY, or a USB device that incorporates both a virtual 
> serial port and a keying circuit, such as a commercially available 
> keying interface (e.g. microHam, RigExpert, ...), or a TinyFSK (either 
> with a special plugin for MMTTY or used directly from N1MM+).
>
> In principle, an RTTY program could use radio control commands to key 
> FSK via the USB cable to the radio, but none of the RTTY modems 
> supported by
> N1MM+ (including MMTTY) use this method. It should be possible to 
> N1MM+ program
> CAT1ASC macros into the N1MM+ function keys to implement this 
> approach, but I don't know whether anyone has tried this. There are a 
> number of people who have used a similar approach for keying CW from 
> N1MM+ with the KX2 and KX3, and offhand I cannot think of a reason why 
> it would not also work in FSK RTTY, but I have never tried it. Just as 
> in CW, there are likely to be some features of N1MM+ that work with 
> more traditional methods but that wouldn't work using this unsupported
method.
>
> 73,
> Rich VE3KI
>
>
> PD1RP wrote:
>
> I want to do FSK with my K3S.
> N1MM and MMTTY.
> The USB cable i used it for radio control.
> What kind of cable do i need for FSK or can i used the USB cable also.
> Any suggestions are welcome.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net Please help support this email 
> list: http://www.qsl.net/donate.html Message delivered to 
> als...@comcast.net
>
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> https://www.avg.com
>
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Re: [Elecraft] K3S fsk with usb

[brian]

Rich,

I seem to recall that the serial port needed for FSK generally cannot 
come from the run of the mill USB/RS232 converters.  They can't operate 
at 45 baud/5 bit rate needed.


See: http://aa5au.com/GettingStartedOnRtty.pdf

This is old info and things may have changed.

So what does a guy who has only USB ports do other than AFSK?  I thought 
that was his question.


73 de Brian/K3KO

On 8/30/2018 18:19 PM, Richard Ferch wrote:

To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some kind
of serial port-based keying interface; and (b) a cable from the keying
interface to the 15-pin ACC port on the back of the K3/K3S (pin 1 is the
FSK keying input).

The serial port used for FSK keying by MMTTY must be a different serial
port from the port used by N1MM+ for radio control. The two programs cannot
share the same serial port.

The serial port interface can be a one-transistor keying circuit connected
to a true serial port, or the same kind of interface connected to a
USB-to-serial adapter with the help of the EXTFSK plugin in MMTTY, or a USB
device that incorporates both a virtual serial port and a keying circuit,
such as a commercially available keying interface (e.g. microHam,
RigExpert, ...), or a TinyFSK (either with a special plugin for MMTTY or
used directly from N1MM+).

In principle, an RTTY program could use radio control commands to key FSK
via the USB cable to the radio, but none of the RTTY modems supported by
N1MM+ (including MMTTY) use this method. It should be possible to program
CAT1ASC macros into the N1MM+ function keys to implement this approach, but
I don't know whether anyone has tried this. There are a number of people
who have used a similar approach for keying CW from N1MM+ with the KX2 and
KX3, and offhand I cannot think of a reason why it would not also work in
FSK RTTY, but I have never tried it. Just as in CW, there are likely to be
some features of N1MM+ that work with more traditional methods but that
wouldn't work using this unsupported method.

73,
Rich VE3KI


PD1RP wrote:

I want to do FSK with my K3S.
N1MM and MMTTY.
The USB cable i used it for radio control.
What kind of cable do i need for FSK or can i used the USB cable also.
Any suggestions are welcome.
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Re: [Elecraft] K3S fsk with usb

[Richard Ferch]

To transmit FSK from N1MM+/MMTTY with a K3 or K3S, you need: (a) some kind
of serial port-based keying interface; and (b) a cable from the keying
interface to the 15-pin ACC port on the back of the K3/K3S (pin 1 is the
FSK keying input).

The serial port used for FSK keying by MMTTY must be a different serial
port from the port used by N1MM+ for radio control. The two programs cannot
share the same serial port.

The serial port interface can be a one-transistor keying circuit connected
to a true serial port, or the same kind of interface connected to a
USB-to-serial adapter with the help of the EXTFSK plugin in MMTTY, or a USB
device that incorporates both a virtual serial port and a keying circuit,
such as a commercially available keying interface (e.g. microHam,
RigExpert, ...), or a TinyFSK (either with a special plugin for MMTTY or
used directly from N1MM+).

In principle, an RTTY program could use radio control commands to key FSK
via the USB cable to the radio, but none of the RTTY modems supported by
N1MM+ (including MMTTY) use this method. It should be possible to program
CAT1ASC macros into the N1MM+ function keys to implement this approach, but
I don't know whether anyone has tried this. There are a number of people
who have used a similar approach for keying CW from N1MM+ with the KX2 and
KX3, and offhand I cannot think of a reason why it would not also work in
FSK RTTY, but I have never tried it. Just as in CW, there are likely to be
some features of N1MM+ that work with more traditional methods but that
wouldn't work using this unsupported method.

73,
Rich VE3KI


PD1RP wrote:

I want to do FSK with my K3S.
N1MM and MMTTY.
The USB cable i used it for radio control.
What kind of cable do i need for FSK or can i used the USB cable also.
Any suggestions are welcome.
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Re: [Elecraft] K3S fsk with usb

[Bob McGraw K4TAX]

I agree with Don, why not do AFSK and eliminate all the extra hardware 
and cables?  No one except you will know the difference.


73
Bob, K4TAX





On 8/30/2018 12:20 PM, Don Wilhelm wrote:

Peter,

You will have to gain access to the RS-232 DTR or RTS signals.
If you do not have the P3, you can insert the RJ45 to serial port 
dongle and pick the signals from that connector.  Although I have not 
tried it, I believe it will work.
You will also need to use a "one transistor keying interface" (google 
for it) to convert the signal level to TTL for driving the ACC 
connector FSK pin.


If you do have the P3, you can add a "Y" cable to the P3 connector 
labeled "PC" to gain access to the serial port signals.


Actually, you will likely find it easier to use AFSK A and drive the 
audio from the internal soundcard in the K3S.


73,
Don W3FPR

On 8/30/2018 12:59 PM, Peter B wrote:

Hello list,
I want to do FSK with my K3S.
N1MM and MMTTY.
The USB cable i used it for radio control.
What kind of cable do i need for FSK or can i used the USB cable also.
Any suggestions are welcome.

73s
Peter/pd1rp

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Re: [Elecraft] K3S fsk with usb

[Don Wilhelm]

Peter,

You will have to gain access to the RS-232 DTR or RTS signals.
If you do not have the P3, you can insert the RJ45 to serial port dongle 
and pick the signals from that connector.  Although I have not tried it, 
I believe it will work.
You will also need to use a "one transistor keying interface" (google 
for it) to convert the signal level to TTL for driving the ACC connector 
FSK pin.


If you do have the P3, you can add a "Y" cable to the P3 connector 
labeled "PC" to gain access to the serial port signals.


Actually, you will likely find it easier to use AFSK A and drive the 
audio from the internal soundcard in the K3S.


73,
Don W3FPR

On 8/30/2018 12:59 PM, Peter B wrote:

Hello list,
I want to do FSK with my K3S.
N1MM and MMTTY.
The USB cable i used it for radio control.
What kind of cable do i need for FSK or can i used the USB cable also.
Any suggestions are welcome.

73s
Peter/pd1rp

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