[Elecraft] RTTY Dual PB

[Lee Buller]

I have had issues with this also....on several levels.  One, hen I have used the feature, it seems the sensitivity of the received signal is diminished.  Second, I have found that the power output reduces by about 10 to 15 watts.  Not much, but still, something isn't right there.  I have had no trouble using my 500 Hz roofing filter and going down to 200 or 300 Hz and working RTTY.  The PB setting, although a great feature, has not "flipped my skirt up."  Something is not right.  I have asked the questions about the power issue and they are looking into it.  This has been several months.

Lee - K0WA


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________________________________
From: "dave.wilburn at verizon.net" <dave.wilburn at verizon.net>
To: elecraft at mailman.qth.net
Sent: Wednesday, July 22, 2009 3:39:42 PM
Subject: Re: [Elecraft] RTTY Dual PB

The first time I used it I was able to dig out one rtty signal that was mixed in with another that was on a slightly different freq. Though I have not been successful with it since then. 

Dave Wilburn
NM4M
------Original Message------
From: k4fj at aol.com
Sender: elecraft-bounces at mailman.qth.net
To: elecraft at mailman.qth.net
Subject: [Elecraft] RTTY Dual PB
Sent: Jul 22, 2009 16:30

My question addresses RTTY (FSK D) and the Dual PB capability.

I understand the theory of what is being done, but I have yet to see the advantage of Dual PB on an RTTY signal as opposed to normal passband.

I am curious if any of the RTTY ops have seen a definite advantage of using Dual PB over normal passband tuning.

73, Steve, K4FJ
K3 #290
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