Yes, the 2.4 khz roofing is automatically selected when your DSP BW is 2.4
or lower. If you put the 1,8 filter in, that will come on when you go to
1.8 or lower.
I believe my son, N4YDU has a 1.8 khz filter for sale at a good price.
Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
www.n4py.com
----- Original Message -----
From: <Rsoifer@aol.com>
To: <tentec@contesting.com>; <n4py2@earthlink.net>
Sent: Monday, November 22, 2010 3:01 PM
Subject: Re: [TenTec] Re 02 2.0444A questions
> Right.
>
>
> In a message dated 11/22/2010 7:47:03 P.M. GMT Standard Time,
> cdistflatfoot@gmail.com writes:
>
> Ok , so I might try a 1.8 filter for ssb and this only helps if I am
> narrower than 2.4kwith dsp filtering is that correct ? and if I have
> the filter selection on auto it will kick on only when the dsp is below
> 2.4 . John
>
> On 11/22/2010 2:16 PM, N4PY2 wrote:
>> The Orion comes with a standard 2400 hertz roofing filter for SSB and a
>> standard 1000 hertz roofing filter for CW.
>>
>> Carl Moreschi N4PY
>> 121 Little Bell Drive
>> Hays, NC 28635
>> www.n4py.com
>>
>>
>> ----- Original Message -----
>> From:<Rsoifer@aol.com>
>> To:<tentec@contesting.com>
>> Sent: Monday, November 22, 2010 2:06 PM
>> Subject: Re: [TenTec] Re 02 2.0444A questions
>>
>>
>>> Barry,
>>>
>>> Most of the time I'd agree with you, but as Jack described his
> situation,
>>> a
>>> roofing filter narrower than 6 kHz (be it 2.4 or 1.8) might help. For
> CW,
>>> I generally use 300 Hz, except on 160 where a wide roofing filter helps
>>> the DSP NR (as long as there isn't too much strong local activity).
>>>
>>> 73 Ray W2RS
>>>
>>>
>>>
>>>
>>> In a message dated 11/22/2010 6:57:48 P.M. GMT Standard Time,
>>> barry.n1eu@gmail.com writes:
>>>
>>> For ssb, the dsp filtering will be sufficient 99% of the time. If
> you're
>>> a
>>> somewhat serious ssb contester, pop a 1.8Khz filter in - otherwise,
> don't
>>> bother. Narrow roofing filters potentially help much more with cw.
>>>
>>> Barry N1EU
>>>
>>> On Mon, Nov 22, 2010 at 6:32 PM, John Molenda
>>> <cdistflatfoot@gmail.com>wrote:
>>>
>>>> Hi Ray , I have no optional roofing filters in my Orion II but have
>>>> sometimes wished for them . what filter would be my first and 2nd
>>>> choice to load up on ssb . I work ssb 75 percent of the time and am
>>>> just looking to narrow things up when needed . thanks John
>>>>
>>>> On 11/22/2010 1:10 PM, Rsoifer@aol.com wrote:
>>>>> Jack,
>>>>>
>>>>> I'm not sure these are the best settings either, but here's what I
>>> do.
>>>> To
>>>>> me, AGC Slope works best at 1:10 so I leave it there. On SSB, my
>>> front
>>>>> panel AGC button is set to Prog, which translates to Hang 0, Decay
>>>>> 10
>>>> dB/s
>>>>> and Threshold 1.00 uV. On the Filtr menu, all of the optional
>>>>> roofing
>>>>> filters (I have them all too) are enabled and Xtal filter is set to
>>> Auto.
>>>> With
>>>>> the DSP filter set to 2750, that would auto-select the 6 kHz
>>>>> roofing
>>>> filter,
>>>> > which may be your problem. If you set the DSP filter to 2400,
> that
>>>> should
>>>>> auto-select the 2.4 kHz roofing filter instead.
>>>>>
>>>>> I generally use the 6 kHz roofing filter for 160-meter CW (tnx, Bob
>>> K8IA,
>>>>> for that tip) but 2.4 kHz for SSB.
>>>>>
>>>>> Hope this helps.
>>>>>
>>>>> 73 Ray
>>>>>
>>>>>
>>>>> In a message dated 11/22/2010 5:52:19 P.M. GMT Standard Time,
>>>>> Thomas.Emerson.Jr@morganstanleysmithbarney.com writes:
>>>>>
>>>> >
>>>>> Hey Ray,
>>>>> Not sure how well this is going to work. I'm at work now, just
>>> checking
>>>>> for replies via the archives on this work station.
>>>>> OK, here's your answers. I have all the filters installed. It does
>>>>> not
>>>> do
>>>>> it on cw. It mostly occurs on 75m, at night, when lots of strong
>>> signals
>>>>> and QRM are around. And it's not like it's happening constantly,
>>>>> just
>>>>> occasional popping in the audio, if very strong signals are on
>>> frequency
>>>> or nearby.
>>>>> I usually keep the filter on ssb set at 2750 hz. I'm thinking maybe
>>>>> I
>>>> need
>>>>> to cut it below 2400, and let that roofing filter kick in. Will try
> it
>>>>> tonight.
>>>>> And the hardware nb is off. Using nr helps, and moving the agc
> slope
>>>> from
>>>> > flat to one of the other 2 settings eliminates it. But I prefer
> to
>>> keep
>>>>> agc slope at the flat setting, so I'm hoping someone else has
>>>> experienced
>>>>> this and found a solution other than the agc slope adjustment.
>>>>> I would think that adjusting the agc menu settings (decay, hang,
>>>>> threshold) would do it, but I haven't found the right combo yet.
>>>>> Jack W4TJE
>>>> >
>>>>> _______________________________________________
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