[Elecraft] K3S on RTTY using DXLAB WinWarbler?
Could someone please share how they set up WinWarbler with a K3S for RTTY using the K3s internal soundcard? Thanks & 73 de W5SV, Dave __ 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 arch...@mail-archive.com
[Elecraft] K3S on RTTY
I haven't seen much here on the subject so I thought I would share my experience from this past weekend in the RTTY Roundup. We recently upgraded our multi-radio setup with two new K3S-es. Both were operated in FSK-D mode, one at the 2125/2295 tones, and the other at 1445/1615. (That helps me sort them out in the headphones quicker.) Both rigs get the FSK via the ACC port. One rig gets FSK via a Microham box, the other by FSK cables with level shifters built by me. I use Writelog as my contest logger in the mode that allows the K3 and K3S sub Rx to appear as a second radio. The K3S-es were connected via the USB interface. I used the K3S internal sound card on both rigs. And the P3s were connected accordingly with the special cable. I have to say that - other than that one weirdness with the VFO B cursor I posted about the other day - everything ran flawlessly. The internal sound card decoded at least as well as my external cards do. One thing I especially had my eye on was interference between the stations. We run full power and we have experienced wideband interference between 20/40 and 40/80 RTTY that no amount of filtering seemed to conquer. I'm happy to report that the interference is substantially reduced with the new KSYN3A on board. I used to have to pick my transmitting spots very carefully to avoid "bad zones" but now it is almost a non issue. (Woo hoo!) Also, and this of course is subjective, but QRM from neighboring stations also seemed to be substantially reduced. At least, I didn't have to QSY as much as I usually do to get away from someone's gudge. I'll have a better sense for this after a few more events. 73 jeff wk6i -- Jeff Stai ~ wk6i.j...@gmail.com Twisted Oak Winery ~ http://www.twistedoak.com/ Facebook ~ http://www.facebook.com/twistedoak __ 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 arch...@mail-archive.com
Re: [Elecraft] K3s on rtty
I bought this FSK interface on eBay for under $30. Plugs into the ACC port on the K3s. Works fine with MMTTY and the built-in soundcard via USB on the K3s. I know I could build one cheaper but I'm getting lazy. eBay item number: 261934374053 Jim/KK1W Rich, Thanks for the explanation. I sure thought I could get FSK keying with the LP-Bridge but I understand what you are saying. I was using USB SignaLink with a modification to a FSKit circuit published in QST a few years back for FSK keying of my Icom Pro III and it worked well. I have used AFSK before but Still prefer FSK so I guess it's back to getting it all set up again. 73, Earl -- View this message in context: http://elecraft.365791.n2.nabble.com/K3s-on-rtty-tp7609382p7609481.html Sent from the Elecraft mailing list archive at Nabble.com. __ 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 arch...@mail-archive.com
Re: [Elecraft] K3s on rtty
Rich, Thanks for the explanation. I sure thought I could get FSK keying with the LP-Bridge but I understand what you are saying. I was using USB SignaLink with a modification to a FSKit circuit published in QST a few years back for FSK keying of my Icom Pro III and it worked well. I have used AFSK before but Still prefer FSK so I guess it's back to getting it all set up again. 73, Earl, K4KAY -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Richard Ferch Sent: Wednesday, October 21, 2015 2:59 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3s on rtty You cannot use the same serial port for CAT (rig) control and FSK keying. The reason has nothing to do with COM port sharing between parallel rig control applications, which is the issue LP-Bridge solves. The fundamental issue is that FSK keying and CAT control use the RS-232 signal lines in incompatible ways. You must use a different serial port for FSK keying than the one you use for CAT control, and no port-sharing method (LP-Bridge, com0com, VSPE) can change this. LP-Bridge will allow you to use two rig control programs in parallel, but it will not allow you to use one serial port in two fundamentally incompatible ways. For FSK keying you need a one-transistor switching interface between the RS-232 voltage levels (plus and minus 12V) on the COM port you are using for FSK and the FSK keying input (pin 1) on the K3's ACC connector. If you don't already have an FSK keying circuit, it would be easier to use AFSK with MMTTY. From the operator's point of view, AFSK A on the K3 is almost indistinguishable from FSK D. The K3's transmitted signals using AFSK are just as clean as its FSK. In fact, until relatively recently the K3's AFSK was cleaner than its FSK. And with AFSK, no special keying circuit is necessary. Indeed, if you are using the K3S's USB port for rig control, I believe no new cables are needed at all. Just tell MMTTY to use the sound card inside the K3S. If you were using a SignaLink before, that was AFSK. You do not need the SignaLink with the K3S, because everything it does is already provided for inside the K3S, but apart from changing the sound card MMTTY uses, there should be little difference between using the SignaLink and using the K3S's internal sound card. 73, Rich VE3KI K4KAY wrote: > From Earl, K4KAY. I now have lp-bridge running and cat control is working > fine. I have to give credit to my friend Richard, K4KRW for his help. > > > > I am now trying to get MMTTY going and reading other posts about using > transistor to invert the signal etc, to do FSK. I have done this with > > Other rigs but also remember others saying I no longer need the signal link. > Which rtty program would be simpler. I already have MMTTY on > > My computer and not successful on my first try. I assume I would use the > lp-bridge to get it on the K3s but when I assign the comport on the > > Lp-bridge MMTTY tells me I have no comport. > > > > I am open for suggestions. I prefer MMTTY but can go another route if > simpler and I want to stay with FSK with my K3s and P3 panadapter with the > VGS option. > > > > Regards, > > Earl, K4KAY __ 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 efort...@ctc.net __ 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 arch...@mail-archive.com
Re: [Elecraft] K3s on rtty
You cannot use the same serial port for CAT (rig) control and FSK keying. The reason has nothing to do with COM port sharing between parallel rig control applications, which is the issue LP-Bridge solves. The fundamental issue is that FSK keying and CAT control use the RS-232 signal lines in incompatible ways. You must use a different serial port for FSK keying than the one you use for CAT control, and no port-sharing method (LP-Bridge, com0com, VSPE) can change this. LP-Bridge will allow you to use two rig control programs in parallel, but it will not allow you to use one serial port in two fundamentally incompatible ways. For FSK keying you need a one-transistor switching interface between the RS-232 voltage levels (plus and minus 12V) on the COM port you are using for FSK and the FSK keying input (pin 1) on the K3's ACC connector. If you don't already have an FSK keying circuit, it would be easier to use AFSK with MMTTY. From the operator's point of view, AFSK A on the K3 is almost indistinguishable from FSK D. The K3's transmitted signals using AFSK are just as clean as its FSK. In fact, until relatively recently the K3's AFSK was cleaner than its FSK. And with AFSK, no special keying circuit is necessary. Indeed, if you are using the K3S's USB port for rig control, I believe no new cables are needed at all. Just tell MMTTY to use the sound card inside the K3S. If you were using a SignaLink before, that was AFSK. You do not need the SignaLink with the K3S, because everything it does is already provided for inside the K3S, but apart from changing the sound card MMTTY uses, there should be little difference between using the SignaLink and using the K3S's internal sound card. 73, Rich VE3KI K4KAY wrote: From Earl, K4KAY. I now have lp-bridge running and cat control is working fine. I have to give credit to my friend Richard, K4KRW for his help. I am now trying to get MMTTY going and reading other posts about using transistor to invert the signal etc, to do FSK. I have done this with Other rigs but also remember others saying I no longer need the signal link. Which rtty program would be simpler. I already have MMTTY on My computer and not successful on my first try. I assume I would use the lp-bridge to get it on the K3s but when I assign the comport on the Lp-bridge MMTTY tells me I have no comport. I am open for suggestions. I prefer MMTTY but can go another route if simpler and I want to stay with FSK with my K3s and P3 panadapter with the VGS option. Regards, Earl, K4KAY __ 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 arch...@mail-archive.com
[Elecraft] K3s on rtty
>From Earl, K4KAY. I now have lp-bridge running and cat control is working fine. I have to give credit to my friend Richard, K4KRW for his help. I am now trying to get MMTTY going and reading other posts about using transistor to invert the signal etc, to do FSK. I have done this with Other rigs but also remember others saying I no longer need the signal link. Which rtty program would be simpler. I already have MMTTY on My computer and not successful on my first try. I assume I would use the lp-bridge to get it on the K3s but when I assign the comport on the Lp-bridge MMTTY tells me I have no comport. I am open for suggestions. I prefer MMTTY but can go another route if simpler and I want to stay with FSK with my K3s and P3 panadapter with the VGS option. Regards, Earl, K4KAY __ 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 arch...@mail-archive.com
