[TenTec] Omni VII Filters

Wed May 16 17:18:56 PDT 2012

If I did the math correct, Gary's reference to dBm would be, for -30 dBm is 
about S-9 +43 dB, and for -10 dBM would be S-9 +60 dB or so.  Nice strong 
signals I'd say.

73
Bob, K4TAX

----- Original Message ----- 
From: "GARY HUBER" <glhuber at msn.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Wednesday, May 16, 2012 7:13 PM
Subject: Re: [TenTec] Omni VII Filters

> The OMNI-VII disadvantage MAY have a lot to do with the RF gain setting of
> the OMNI-VII and the PAs and transmitted signals of TX A, B, C, ....
> Our local club has for years had many and often heated discussions over 
> the
> CW, SSB, or Digital station being heard by the others on different bands.
> The one exception was the year we ran three OMNI-VI+ for FD.
>
> With my OMNI-VII, I have both the 300 and 500 Hz filters installed and
> seldom notice my neighbors AC9S and AA9LC unless they are within the
> OMNI-VII's passband. AC9S is very active in both DXing and Contesting with
> an ORION-II, Alpha amp and SteppIR beam. We both typically run our TenTec
> transceivers with minimum RF gain and have found we can co-exist on the 
> same
> band and mode as long as we avoid transmitting within 3 KHz of each other.
> Typical signal levels received on my OMNI-VII (and Flex-1500 sub-rx) from
> AC9S are -30 to -10 dBm depending on the frequency and the antenna used.
>
> 73 ES DX,
> Gary -- AB9M
>
> -----Original Message----- 
> From: Richards
> Sent: Wednesday, May 16, 2012 6:14 PM
> To: Discussion of Ten-Tec Equipment  of each Subject: Re: [TenTec] Omni 
> VII
> Filters
>
>
>
> On 5/16/2012 8:58 AM, Rick - DJ0IP / NJ0IP wrote:
>
>> The one place where the OM7 will be at a disadvantage is if you are 
>> trying
>> to use it at a multi-multi station where you have at least 6 max legal
>> power
>> stations on the air simultaneously from a location the size of a football
>> field,
>
>
> I disagree based on experience.    We run  2
> Omni VIIs, an Orion II, an Omni VI, all in the same
> room, and it is someone using a K3s that complain !
> For some contests, the phone guys are in one place,
> and the CW guys are 300 yards away on a big hill
> in a field and the guys with the Elecraft gear complain
> about intermod, not the TT guys.   (I hope this does NOT
> start a sub-thread about TT v Elecraft...)
>
> Of course you gotta use passband filters, and stay off
> the same antenna ...    ;-)   ...  but I have NEVER
> had intermod, interference, of any RF on my anything
> under such extreme conditions.
>
> Shoot, Rick... it might be better than you think !   ;-)
>
>
>
>> Don't tell anyone I said this, but I even like it a wee bit better than 
>> my
>> Eagle, but the Eagle has other advantages - size, weight, and simplicity.
>
>
> YES - The design team at TenTec obviously thought
> about what to put on the Eagle and what not to ...
> trying not to obsolete any of the other products in
> the line.  I prefer the Omni VII over the Eagle because
> it has more stuff on it... such as a receive only
> antenna jack,  two transceive antenna jacks, etc.,
> but the Eagle presents a high performance option,
> at a lower price for guys who don't want all that
> extra jazz.
>
> I have considered using an Eagle as a "second receiver"
> for the Omni VII, and letting Carl's N4PY Pegasus
> control program integrate the two as one - so I could
> use the band scope display for the Eagle to work as
> a panadatper for the Omni VII - click on it scope, and
> both rigs tune to the same frequency.   Cool.   I use
> a TT RX-320D for that now, but the Eagle would be
> way better I think.
>
>
> One of our Lunch Bunch guys is older than the sun,
> and sometimes talks about getting out of ham radio
> because it seems to be getting too complicated for
> him -- so I keep recommending the Eagle because I
> think it would be a huge performer, but a much
> easier rig to run than the rest of the crop.  He could
> easily take it to Florida when he goes down for the
> Winter.   Stubborn old coot... but he is a great guy!
>     ;-)
>
>
>> *The exception would only be a top notch 160m operator with great 
>> antennas
>> in a 160m contest.  The rest of the time, the rest of the contests, the
>> operator makes far more difference that the tiny bit of difference in the
>> radios.
>
>
> We used an Omni VII to work the CQ WW
> contest... and came in 1st in Michigan... 1st in
> Section 8...  Fifth in US... 7th in North America...
> and the only guys to beat us were all on the East
> Coast with a slightly better shot at EU multipliers.
> So, I am not worried about using the Omni VII in
> a 160 meter contest.
>
>
>
>> In my books, the Omni VII is the best all-around radio on the planet 
>> today
>> for 98% of all hams.
>
>
> That might be a slight exaggeration... the real
> figures is closer to 95% of all hams...       ;-)
>
>
>
> ======================  JHR  =======================
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