What is your 'secret' to the pretty good system ?
Is the problem temp related ? Or just aging ?
-----Original Message-----
From: JEFF S JOHNSON <aa8ve@juno.com>
To: tentec@contesting.com <tentec@contesting.com>
To: <tentec@contesting.com>
Date: September 28, 1999 11:35 PM
Subject: Re: [TenTec] PBT position
>
>
>
>I have an Omni-V with all stock filters and the PBT is dead center and
>same sounding on usb and lsb, as I go to narrower filters like 1.8 ssb or
>want to move on cw due to qrm I adjust PBT as needed. It only works this
>way when everything is in alinement like bfo,pbt, and everything else
>right to original specs. I belive any Ten Tec will do this if it is
>alined right to factory spec. which, due to the crystals and tuning caps
>involved is difficult to do. If I notice the PBT not on center I know
>it's time to check alinement. I could however make do with it being off a
>bit, and getting an Omni-V dead on takes a lot of work but I got it down
>to a pretty good system and only need to get in there once a year or so.
>
>
>In my opinion for the options offered I couldn't beat an Omni-V and don't
>plan to even look for anything else. I'm on my third tuning encoder due
>to wearing them out and the rig is smooth as silk. On this last encoder
>replacement I bought two of them and made up a little remote encoder in a
>small box, it plugs into the 25 pin plug in the rear. If any of you have
>a chance to do this, I'm sure you'll enjoy it. Really makes CW a dream
>being able to tune around from the desk top.
>
>73 and good to see so many Ten Tec fans around. -Jeff- AA8VE
>
>PS I tried to get on the net this past weekend but was down with a 102
>temp. maybe next week.
>
>
>On Tue, 28 Sep 1999 11:17:30 -0700 Clark Savage Turner
><turner@rome.ICS.UCI.EDU> writes:
>>
>> Many on this list have noted the slight PBT movements required
>> for the "sound" to be right on the OMNI (Corsair). It has
>> previously been noted that the model 220, 2.4 KHz stock SSB
>> filter (have a spare? I'm looking for one!) appears to be
>> slightly non symmetrical in its response. USB sounds different
>> than LSB, but can almost be compensated for by PBT. This is
>> why I got the INRAD 2.8's, the filter response sounds much
>> more symmetrical to my ear. PBT almost 12 o'clock, USB sounds
>> very much like LSB. Its not really a big deal, but noticeable.
>>
>> I am interested in the "ringing" of the filters with atmospheric
>> noise. I plan to test my own ears with Ten Tec vs INRAD's at
>> some point.
>>
>> Clark
>> WA3JPG
>>
>
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