Wolf,
Because of the asymmetry of RTTY vs. the displayed (Mark) frequency,
the specification should probably be -750 Hz/+250Hz or perhaps
-750 Hz/+500Hz.
73,
... Joe, W4TV
> -----Original Message-----
> From: rtty-bounces@contesting.com
> [mailto:rtty-bounces@contesting.com] On Behalf Of Wolf (DL6JZ)
> Sent: Tuesday, January 10, 2006 3:23 AM
> To: rtty@contesting.com
> Subject: Re: [RTTY] NAQP RTTY on NCDXF Beacon]
>
>
> Hi Robert,
>
> first, you must be a good RTTY-contester because we had a QSO in the
> Roundup. :-))
>
> Plus/minus 2 kHz is too much for the free space for the NCDXF beacon
> system. I think plus/minus 500 Hz will do it.
>
> I am running FSK. And when my radio shows 14100 kHz then my two tones
> will be at 14100kHz and 14099.830 kHz.
>
> Soundcard users who are running AFSK can configure their software to
> show the real mark frequency. So I think there should be no
> problem with
> transmitting in a forbidden area.
>
> 73 + 55
> Wolf, DL6JZ
>
>
>
> -----Original Message-----
> Date: Mon, 9 Jan 2006 19:41:41 +0100
> Subject: Re: [RTTY] Fw: RE: NAQP RTTY on NCDXF Beacon]
> From: "robert"
> To: ,
>
> hi all.
> Those who use souncards or use FSK keying and set the rig to 14.100,
> where
> does the signal go.
> FSK shift is 2125/2295 for mark/space or 1275/1445 mark/space. When
> using
> soundcards this can be almost anywhere, I use 1100/1300
> because it goes
> into
> the filters passband on my rig.
> The 2 KHZ safetyzone is the minium to set for us not to interfere with
> the
> beacon. It should be 2500 HZ. There are too many hams out there who
> don't
> know about this mark/space stuff.
> But on the other hand I wonder those who send/receve on the beacon
> frequency, don't they have interference from the beacon??
>
> regards & 73 tf3tty robert..
>
> p.s. I wonder how I am doing as a rtty contester!
> am I good or bad?
>
> c u all
>
>
>
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>
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