[RTTY] RTTY + FT920

Wed May 9 21:37:25 PDT 2012

And make sure you try WW3S's suggestion...

73,

Erik - K5WW

> From: sroabr at online.no
> To: lists at subich.com
> Date: Thu, 10 May 2012 06:32:18 +0200
> CC: rtty at contesting.com
> Subject: Re: [RTTY] RTTY + FT920
> 
> Hi
> 
> 
> Yes, I know microHAM works with MMTTY..I used microHAM MK since very first
> days of release with my 4 MK units, I upgraded to several MKII boxes this
> winter.
> 
> But thank you for support :) 
> The PC and MKII unit works with MMTTY software on my Kenwood Radio's 100%,
> so there is some issue with the signal to Yaesu 920 FSK port vs Cable I got
> from microHAM last week.
> 
> I have tried to switch on/off the AFSK/FSK switch 20 times, adjustet NOR/REV
> and digital output( min to max) in MMTTY and FSK settings profil A-B-C-D in
> MMTTY.. What I can see of the received signal from the 920 is that is not
> very solid CLEAN RTTY signal..looks to me a attunated signal quality
> compared when I do a test transmit with kenwood's RTTY signal.
> 
> I will do some research "again" this afternoon when I am able to go at the
> radio QTH, even I tried 2 hours with all kind of settings last weekend to
> work ARI RTTY, I gave up trying to solve the find out why the signal didn't
> came out properly :p 
> 
> 73s LA6FJA Rag
> 
> -----Original Message-----
> From: rtty-bounces at contesting.com [mailto:rtty-bounces at contesting.com] On
> Behalf Of Joe Subich, W4TV
> Sent: Thursday, May 10, 2012 2:18 AM
> To: RTTY
> Subject: Re: [RTTY] RTTY + FT920
> 
> 
> Rag,
> 
> microKEYER II works perfectly with MMTTY. There are thousands of MK, MK II,
> DK, DK II and MK2R+ in use with MMTTY both stand alone and as "plug-in" for
> other logging software every day. No interface is going to fix problems
> with your transceiver if the transceiver is not working properly.
> 
> I suggest you make sure the transceiver is shifting properly and can handle
> the necessary shift; WW3S has already documented issues of improperly
> operation in his FT-920. Make sure the AFSK/FSK switch is not dirty, that
> none of the connectors between the DATA jack and the CPU are dirty, that the
> pull-up on the CPU is working properly (47K may be too weak), etc.
> 
> If you need it, MK and MKII provide a pull up on pin 10 of the DB37 which
> can be bridged to pin 29 (FSK Out) but the FT-920 does not document the need
> for such an external pull-up.
> 
> Note: it is your responsibility to make sure your transceiver is operating
> properly - not the responsibility of an interface builder or the software
> developer. Hardware and software can not be expected to fix improperly
> operating equipment or add features that do not work properly in the
> transceiver.
> 
> 73,
> 
> ... Joe Subich, W4TV
> microHAM America, LLC.
> http://www.microHAM-USA.com
> http://groups.yahoo.com/group/microHAM
> 
> support at microham.com
> 
> 
> This message, including any attachments, may contain proprietary,
> confidential or privileged information for the sole use of the specific
> individual(s) to whom it is addressed. You are hereby notified that any
> disclosure, copying, distribution, or use of this message is prohibited. 
> If you have received this message in error, please immediately notify the
> sender by reply e-mail and delete it.
> 
> 
> 
> On 5/9/2012 6:33 PM, Stein-Roar Brobakken wrote:
> > Hi
> >
> > Yes, I tried ALL option with my FT920 and MMTTY, Writelog w/MMTTY 
> > ....and used DATA LSB(FSK) and FSK switch to FSK...
> >
> > In AFSK it was ok, but there seems to be low modulation..
> > I don't like the AFSK Scoop in Writelog...
> > FSK with MMTTY plugin is ONLY option for me to operate RTTY! Since I 
> > purcaed the the new FT-920 cable from microham last week.... it seems 
> > waste of bucks...
> >
> > The radio diddles and I can see the high and low tones on my 
> > decode...but no chance to copy it even parameter 2125, 170hz, REV or 
> > NOR with FT-920... it can't be decoded...somehow.. I tried dual 
> > decoder in 2nd pc with one REV and one Normal..
> >
> > It can be something wrong with the output on the FT920 ??? like WW3S said:
> > " I use a FT-920 with an original Microkeyer when in VP9....it works, 
> > but it's a bear to setup.....first off, transmit the whole alphabet, 
> > and see if you can copy any of the letters...if you can copy half of 
> > them,but not the other, good chance ther pullup resistor in the 920 
> > went bad....I'm not sure about the MKII, but with my microkeyer, I had 
> > to open the cable up and short
> > 2 pins together, that cured it, W4TV could probably tell you if the 
> > same thing with work with a MKII.....but try typing and transmitting 
> > the whole alphabet string, and see what gets decoded in the other 
> > rig....I think in my case, all the missing characters ended in a 
> > space, and that bad pullup resistor was causing trouble..."
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Joe Subich, W4TV [mailto:lists at subich.com]
> > Sent: Wednesday, May 09, 2012 3:25 PM
> > To: Stein-Roar Brobakken
> > Cc: rtty at contesting.com
> > Subject: Re: [RTTY] RTTY + FT920
> >
> >
> > There is nothing difficult about using FSK with the FT-920 as long as 
> > you read and study the manual carefully. Yaesu also released an 
> > Application Note "Expanded Digital Mode Operating Instructions" - 
> > AN97xx. By searching Google for "Yaesu AN-97xx FT-920" I found it
> > here: http://www.kb2ljj.com/data/yaesu/ft-920.htm and here:
> > http://www.radiomods.co.nz/yaesu/yaesuft920.html
> >
> > The key to using the FT-920 is understanding the difference between 
> > DATA LSB
> > (FSK) and DATA USB (AFSK), setting the FSK/AFSK switch correctly on 
> > the rear panel and making the proper menu settings (e.g.
> > FSK REV).
> >
> > 73,
> >
> > ... Joe, W4TV
> >
> >
> > On 5/9/2012 1:53 AM, Stein-Roar Brobakken wrote:
> >> Hi
> >>
> >>
> >> Is there anyone out which have used FT-920 with FSK RTTY?
> >>
> >> I got a FT920 in shack to test for RTTY.
> >> I have tried to setup mine with a microHAM MKII..switched the radio 
> >> to FSK and standard settings..2125 , 170 and also tried with setup in
> MMTTY..
> >> But I am not able to copy my sent RTTY at the other end...
> >> I do see the two spaced tones, but it's not quality RTTY and not able 
> >> to decode it with another transceiver.. and I can either work any QSO 
> >> :(
> >>
> >> Any suggestions????
> >>
> >> 73s LA6FJA Rag
> >>
> >>
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> >
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> 
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