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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