Many thanks Bob. I'm going to try to get this done over the weekend.
Best regards - Bry Carling
> On Mar 1, 2014, at 11:41 AM, "Bob McGraw - K4TAX" <RMcGraw@Blomand.net> wrote:
>
> Depending on the filter installed, there is a jumper that changes the stage
> gain to make up the loss in the filter. Different filters have different
> amounts of insertion loss. It just could be the jumper is not correct. Or
> the filter may be defective or may not even be the correct filter. Many hams
> believe "if it plugs in, it should work". Ha Ha!
>
> My Omni VI Plus has a #220 - 2.4 kHz filter in the N-1 position, a #218 - 1.8
> kHz in the N-2 position. Filters # 216, # 217 & #219 require the jumper to
> be in the high gain position. Filters #218 & #220 us the low gain position
> for the jumper. This is for the 9 MHz IF.
>
> The 6.3 MHz IF has the standard 2.4 kHz then the #288 1.8 kHz for SSB and the
> #285 500 Hz for CW and the #282 Hz for CW.
>
> Regarding the S meter, it needs to be calibrated. It requires two signals
> levels, one being 1.60 uV to set the offset value such that the meter reads
> S-3 and then 50uV to set the meter to indicate S-9. There is interaction
> between the two adjustments. Repeat the process 3 or 4 times as necessary.
> This is done on 20M.
>
> 73
> Bob, K4TAX
>
>
> ----- Original Message ----- From: <bcarling@cfl.rr.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Saturday, March 01, 2014 9:53 AM
> Subject: Re: [TenTec] In praise of older technology AM transmitwithTenTecrigs
>
>
>> I need to open up my OMNI 6 Plus and have a good look at a coupe of things:
>>
>> 1) The filter in the N-1 position is NOT at all good. It dramatically
>> INCREASES the
>> QRM in a contest whether using SSB or CW. I am really curious to know what
>> is in
>> there. Ther eis no N-2 filter. The only other filter I have is the normal
>> 500 Hz one. It
>> seems to work OK.
>>
>> 2) Scotch S-meter never reads above S7
>>
>> Thoughts?
>>
>>> On 27 Feb 2014 at 7:31, Brian Carling wrote:
>>>
>>> Which model number INRAD filter do I want for 600 HZ roofing in my Omni VI
>>> Plus please ?
>>> Sorry for my ignorance but they list so many, and I want to be sure...
>>>
>>> Of course, I could also put the money toward saving up for a nice OMNI VII !
>>>
>>> Best regards - Bry Carling AF4K
>>>
>>>
>>>
>>> > On Feb 26, 2014, at 4:22 PM, "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de> >
>>> > wrote:
>>> >
>>> > Let me put some meat behind my previous post:
>>> >
>>> > Filter:.....TenTec....INRAD....INRAD
>>> > Filter:.....Stock.....600Hz....2400Hz
>>> > -------------------------------------
>>> > - 2 kHz.....79dB......94dB.....85.5dB
>>> > - 5 kHz.....82.5dB....97dB.....95.5dB
>>> > -10 kHz.....86.5dB....98dB.....96.5dB
>>> > -20 kHz.....95dB......97.5dB...97.5dB
>>> >
>>> > As you see, at 2kHz spacing, the BDR3 improves by 15dB with the 600 Hz >
>>> > INRAD
>>> > roofing filter.
>>> > There is nothing you can do to an OM7 or IC7800 (within reason) to come
>>> > anywhere near this level of performance.
>>> > NOTHING!
>>> >
>>> > The fundamental difference here is the technical difference between >
>>> > upward
>>> > conversion and downward conversion.
>>> >
>>> > AT THIS POINT Rob always jumps in and points out that it is not >
>>> > impossible
>>> > with upward conversion.
>>> > Indeed the PT-8000 achieves it, but at a $17K price tag.
>>> > That's why I added the modifier, "within reason".
>>> > For those of us who work for a living, $17K is beyond reason!
>>> >
>>> > 73 - Rick, DJ0IP
>>> > (Nr. Frankfurt am Main)
>>> >
>>> > -----Original Message-----
>>> > From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Rick -
>>> > DJ0IP / NJ0IP
>>> > Sent: Wednesday, February 26, 2014 6:38 PM
>>> > To: n4py3@earthlink.net; 'Discussion of Ten-Tec Equipment'
>>> > Subject: Re: [TenTec] In praise of older technology AM
>>> > transmitwithTenTecrigs
>>> >
>>> > The Omni VI with the INRAD roofing filter is about 15 dB better than >
>>> > the OM7
>>> > or 7800. Really no comparison.
>>> > There most certainly is a difference but you will probably only notice >
>>> > it in
>>> > a side-by-side comparison during a BIG contest; not in every day life.
>>> >
>>> > I don't recall Rob ever testing the VI with INRAD.
>>> >
>>> > 73 - Rick, DJ0IP
>>> > (Nr. Frankfurt am Main)
>>> >
>>> > man/listinfo/tentec
>>> >
>>> > _______________________________________________
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>>> > TenTec@contesting.com
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>>
>>
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