[TenTec] Orion noise blanker

[Steve N4LQ]

Jerry
There is only one way to find out.
Steve Ellington
N4LQ at iglou.com
----- Original Message ----- 
From: "Jerry Volpe" <kg6tt at tomorrowsweb.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Thursday, March 17, 2005 8:36 PM
Subject: Re: [TenTec] Orion noise blanker


> The Orion is still on my 'possible' new rig list and I am very curious 
> about its noise blanker functionality.
> 
> I live in a very troublesome location for electrical and pulse generated 
> noise. There have been times when I have had to deal with a solid 
> blanket of noise from 3 to 300 MHz. Fortunately after several years work 
> and complaints PG&E has repaired a number of my noise sources. However, 
> during this process I discovered the value of a good discrete component 
> (IF) noise blanker.
> 
> I owned a Jupiter and I still have an RX-350 which both supposedly had 
> noise blankers, however both were totally useless to me. The noise 
> reduction functionality helped somewhat but overall I had to rely on my 
> 23 year old Omni-C which had a noise blanker that 'worked' for me. Under 
> typical situations it could knock the noise from 20 dB over 9 to S-4. 
> Eventually I gave up on the Jupiter and traded it for an Omni-VI+ which 
> has a supperb noise blanker. Then I added a Paragon which had a very 
> effective noise blanker as well but not equal to the Omni-VI+. Why even 
> my two Scouts have noise blankers that function nicely. Sooooooo what 
> about the Orion? does it have two noise blankers? One in DSP and one in 
> the IF itself?
> 
> My noise here is typical of electrical arc sources. Sometimes the pulses 
> are fairly spaced out so that even though they sound just as broadband 
> even my TD-940S noise blanker does a great job.... other times that 
> noise is so intense that even my best noise blanker is only able to 
> marginally impact it.
> 
> So, Orion owners... I am not asking how you would re-engineer the 
> Orion... just do you have noise issues at your location and if you do 
> how effective do you find the Orion in dealing with it?
> 
> 73,
> Jerry, KG6TT
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