[1000mp] RTTY

Pete Smith pete.n4zr at gmail.com
Thu Jan 19 10:00:46 EST 2006


As a very occasional RTTY contester, I typically use AFSK (N1MM/MMTTY) and just feed the transmit audio to my radio through the same mike jack cable I use with my DXD for SSB.  Till now, I have just used LSB, and it has seemed to work fine, but I have cascaded INRAD 400 Hz filters in the radio and it would sure be neat to be able to use those filters in AFSK.  I've been through the manual and haven't seen an answer to this, but wonder if something like you describe can be done with my setup.

73, Pete N4ZR

At 09:48 AM 1/19/2006, you wrote:

>Jim,
>
>> I've been contesting on RTTY for several years now without no stinkin
>> Rig Blaster (I actually don't know anything about the RB - I just like
>> using that "no stinkin" phrase).
>>
>> I use AFSK.  From what I understand, you can't use your narrow MkV
>> filters in the Rx if you use FSK.
>
>You're misinformed ... the narrow filters work just fine in FSK (RTTY).
>
>The RTTY mode of the FT-1000MP, Mark V and Field (as well as the FT-1000D
>and FT-990) is LSB.
>
>Set the FT-1000MP menus as follows:
>
>   6-0   rttY-SHF     170
>   6-1   rttY-POL     rEvErSE
>   6-2   rttY-ton     Hi tonE
>   6-4   rtY-FdSP     oFFSEt
>
>The filters (500 Hz and 250 Hz) will be automatically centered for
>operation in LSB with 2215 Hz Mark and 2295 space (Lo tonE = 1275
>Mark and 1445 Space).
>
>If for some reason you *MUST* use USB, press the RTTY button TWICE
>(both the RTTY and USB buttons will light) and set menu  6-1 to nor.
>Your TU or RTTY software will then need to use the HIGHER TONE for
>MARK.
>
>73,
>
>    ... Joe, W4TV
>
>
>
>
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