[1000mp] RTTY/250hz Filter shift?

Mon, 23 Dec 2002 08:51:29 -0800 (PST)

I'm not sure what software you are running but it could be the configuration of it.  I use MMTTY and you have to make sure the mark is set to 2125 and the AFC is off or you will have to use your shift to tune it in.  I use the 250hz filter in FSK an have noticed this.  AFSK is different.

I don't like the filter selection of the Mark-V.  You can select either the 250hz or the 500hz from the menu but not from the filter buttons on the face of the radio.  This is a big minus for this radio.  Aside from that the radio is fantastic.

73, Jim
AD6WL

>From: "Blake M. Meinecke" <[email protected]>
>To: <[email protected]>
>Subject: Re: [1000mp] RTTY/250hz Filter shift?
>Date: Sun, 22 Dec 2002 15:40:58 -0500
>Reply-To: [email protected]
>
>Right Tom, important difference, I neglected to be specific.
>
>I am running FSK(PC).  Odly enought, the shift difference does not manifest
>itself in the CW mode either.
>
>BTW, I ran SR5 and I can see the difference in center frequency between NAR1
>and NAR2 modes....
>
>
>Blake N4GI
>----- Original Message -----
>From: "Tom Homewood" <[email protected]>
>To: <[email protected]>
>Sent: Sunday, December 22, 2002 3:27 PM
>Subject: Re: [1000mp] RTTY/250hz Filter shift?
>
>
>> On the MP it makes a difference whether you use AFSK (Packet) or FSK
>(RTTY).
>> With FSK I don't have to move the shift at all with 250 hz Inrad filters.
>> With AFSK I have noticed that you have to shift for optimum performance.
>>
>> Tom, W1TO
>>
>>
>> ----- Original Message -----
>> From: "Blake Meinecke" <[email protected]>
>> To: <[email protected]>
>> Sent: Sunday, December 22, 2002 1:40 PM
>> Subject: [1000mp] RTTY/250hz Filter shift?
>>
>>
>> > Noticed yesterday during OK RTTY that have to turn SHIFT knob to about
>> > 1oclock for my MKV to be centered on RTTY sigs when in NAR2 (both inrad
>> > 250's).
>> >
>> > Sigs are centered FB with no SHIFT adjustment when in NAR1 (stock 500
>and
>> > 400 inrad).
>> >
>> > Could have sworn that I didn't have to do this the last time I worked
>> RTTY,
>> > but I could be wrong.  What's the story?
>> >
>> > Blake N4GI
>> >
>> >
>> >

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