As to the question of laptops, the cited machine is probably OK.
I have an aging Celeron laptop at 1.5 GHz which works marginally well
for SDR use with the Extigy soundcard.
I did not buy it for SDR useage either, but it manages to do the job
when I ask it to. Just. There are occassional
With at least the 1.8.0 level, there's a little glitch I've noticed that
might also be related to another recent thread.
Sometimes, when I've just turned the rig on, I find the receive is
attenuated an extra 20 dB or so somehow. It actually looks, visually,
like a good deal, because the noise
Hi Larry,
I've seen this too. I'd always assumed it was something in my external
auto-antenna tuner that was making a poor contact and that, because I was
passing current through the connection when I transmitted, that made it
became better. It's possible too, though, that it might be something
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I'm looking for an SDR-1000 user in NE Oklahoma that would be willing to
demo? I'm in Bartlesville.
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Frank Mayer wrote:
Larry,
I have noticed the same thing here on and off. It seems to be some
kind of issue in the communications line (Parallel port of SDR-1000 to
the computer). Not everybody seems be experiencing it. My switching
the preamp positions also will bring the receive back
to scale that way.
Is the vertical scale already divided out to be RMS power/Hz? Thanks
Chris - AE6VK
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I get about -130dBm when I use this method. Is this what was is
expected???
Mark NU6X
This is just not possible with the way we do calibration. Something
else is amiss. After calibration against a known source, BOTH of
your
radios should read -90 dBm if you present -90 dBm at the antenna
Here is an explanation of what might be going on.
If when you experience the condition where the noise floor is 20 dB
lower than expected and you are NOT hearing any signals, something is
probably amiss with the DDS.
This phenomenon you are experiencing is when the DDS gets stupid,
meaning that
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Mark Mumaw wrote:
I get about -130dBm when I use this method. Is this what was is
expected???
Exactly what mine gets.
Mark NU6X
Bob
N4HY
--
AMSAT Director and VP Engineering. Member: ARRL, AMSAT-DL,
TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. ARRL SDR WG Chair
Taking fun as
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Tom,
When working split (DX - 40) I normally only tune the transmit once,
then tweak the receive throughout the QSO. Having the transmit side be
the default for tuning could make me more prone to messing up. I excel
at messing up, so anything the help avoid that is good.
I do use the AB
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Has anyone tried WinDRM with the Flex? I assume I would need VAC and
maybe something else. Can anyone fill me in on how to setup the Flex
to run with this?
Tnx,
Brian / w5ami
--
Suburbia is where the developer bulldozes out the trees, then names
the streets after them. - Bill Vaughan
All,
I haven't used the ShuttlePro for a week or so (it worked when I demo'd the rig
two weeks ago, but I haven't used it since.) It appears to have stopped talking
to PowerSDR. Anyone else notice it disappear or have any ideas where to look?
ShuttlePro device configuration works fine, the
Please disregard my previous post - I had Keyboard enable shortcuts turned off
for some reason... Sorry for the abuse of bandwidth.
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Ross,
Expanding a little on Chris's reply
The PowerSDR software will allow you to operate the relays on the UCB board
via the X2 connector on the SDR-1K. And as Chris pointed out, the XVTR
button on the main menu bar will lead you to the main transverter screen
where you can specify which
Brian,
Info on setup is the Flex Knowledge base.
See http://kb.flex-radio.com/article.aspx?id=10071cNode=0J1I4T
If you have any questions, let me know.. In answer to your question, yes
WinDRM works quite well with the SDR-1000.
Mel, K0PFX
- Original Message -
From: A.R.S. - W5AMI [EMAIL
Thanks Guys! I appreciate the info and direction..
73
Brian / w5ami
On 3/4/07, Mel Whitten [EMAIL PROTECTED] wrote:
Brian,
Info on setup is the Flex Knowledge base.
See http://kb.flex-radio.com/article.aspx?id=10071cNode=0J1I4T
If you have any questions, let me know.. In answer to your
Dan,
When working the dx contest on 80, I was moving up and down the band so
the antenna tuner needed a touch. It was confusing to me to have to
interchange A and B to do the tune. Version 1.8.0 tunes on the transmit
VFO whether it is A or B. Svn 917 just tunes on A. So I listed it as a
Ahh.. I was misunderstanding as well. I like swapping the A and B
around, but as you said it could just be preference. On a contest I
really only listen to see if other stations are working the same
station, if there are not many I'm that one asking if the freq is in
use. But if working
I recently acquired a USB Interface cable from another Flexer and am
having some problems with my SDR-1000 when using it and want to make
sure it isn't some cockpit error or something (I don't think there is
any problem with the USB Interface cable). My SDR-1000 (early 1W 3 board
stack with
It sounds like low voltage on the USB port. I assume you are using the
internal one on the computer mobo?
If so. You can try to get an external USB bridge that is powered from an
external source (wall wart) and see if that takes care of the problem.
RF getting in the USB cable will do it too.
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