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Re: [VHFcontesting] FLEX-1500 SDR Platform

To: David McKenzie <k1fsy@vhfwiki.com>
Subject: Re: [VHFcontesting] FLEX-1500 SDR Platform
From: David Feldman <wb0gaz@yahoo.com>
Date: Sun, 28 Nov 2010 08:56:08 -0800 (PST)
List-post: <vhfcontesting@contesting.com">mailto:vhfcontesting@contesting.com>
Unfortunately, at least in my case (I am almost 100% cw op, have a 1500 now, 
ordered early adopter, shipped early adopter, and is now running 2.0.16 on a 
dedicated machine) there are CW transmit problems that currently exist in 
2.0.16 (in my experience, basically chops off the first 50-100 milliseconds of 
CW transmit when going into TX), but I am assured (and confident) this will be 
fixed in some upcoming later release. In the meantime, it's been a fascinating 
tool to help a local friend characterize a homebrew beam antenna (as he 
rotates, I record signal level with very good resolution), so it's clearly 
going to be a very handy part of my station going forward.

--- On Sun, 11/28/10, David McKenzie <k1fsy@vhfwiki.com> wrote:

From: David McKenzie <k1fsy@vhfwiki.com>
Subject: Re: [VHFcontesting] FLEX-1500 SDR Platform
To: "David Feldman" <wb0gaz@yahoo.com>
Cc: vhfcontesting@contesting.com
Date: Sunday, November 28, 2010, 9:48 AM

The newest beta (2.0.16) supposedly fixes (or at least significantly improves) 
CW performance from what I've seen on the Flex lists. I don't operate CW so I 
have no first-hand experience with it other than the built-in keyboard keyer. 
The sequencing issues seem to have been addressed in this beta as well.


On Sat, Nov 27, 2010 at 6:49 PM, David Feldman <wb0gaz@yahoo.com> wrote:

CW transmit using internal (iambic) or external (key/keyer) has timing problems 
awaiting a software release I've been told is due in December (2010). If CW 
transmit is important to you, I'd check carefully before committing right away.




> On Nov 24, 2010, at 4:27 PM, Mike Benonis wrote:

>

> > Folks,

> > I was looking at the FLEX-100 SDR today as a potential

> IF rig for a VHF/UHF contest station (potentially for field

> or rover use as well).  Has anyone bought and used one

> of these rigs?  I'm particularly curious about

> performance--sensitivity and adjacent channel rejection

> would be two key specs I suppose.  Have you encountered

> any major roadblocks?  I read something on eHam about

> sequencing; I wonder if that's been resolved.









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