Re: [Flexradio] 3 Gb RAM? ( Was new PC components for 1500?)

[Michael Tondee]

The PC came from the manufacturer with 3GB. The configuration is two 1GB 
sticks and two 512MB sticks occupying all four slots.  It worked fine 
that way for the last few years and only recently started exhibiting 
this behavior. I first ran a 5K with it which I had to sell and then 
later a 1500 which I eventually ended up selling because I thought I was 
getting a 3000 but "life" intervened and that never happened.  The 
erratic behavior of the PC started  sometime after the 1500 was sold. 
Now that it looks like I'm going to be able to get a new 1500, I wanted 
to sort it out if I can. I appreciate everyone's suggestions but the PC 
is several years old and I'm due an upgrade. I've always built my own 
PC's in the past, this was my first "name brand" in quite sometime. I 
think I'm just going to pull my new PSU and my drives out and put them 
in a new case with a new mobo, processor and memory.  I have been 
corresponding with Neal about that, hope I haven't driven him crazy with 
questions. As I said, I've built PC's in the past but building an SDR PC 
is a slightly different animal. Neal has already steered me away from 
what I originally though about getting. He has suggested components but 
I'm still trying to work the price down enough to satisfy the CFO ( XYL)

Thanks everyone,
MIchael, W4HIJ

On 11/20/2012 1:06 PM, George J Molnar wrote:

For Michael, W4HIJ...

You may be experiencing problems by having an odd memory configuration. Many 
PCs really prefer to see even values of matched RAM (same size and speed). Your 
BIOS may not be able to support the memory you're using, or the differences 
between the chips may be causing irregular operation. I'd recommend getting a 
matched set of RAM modules and trying that. You'll need to consult your 
motherboard docs to see what speed and capacities are supported.

George J Molnar
Las Vegas, USA

Amateur Radio: KF2T
Twitter: GJMolnar







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[Flexradio] 3000 for sale in uk

[Paul20]

I have a 2 year old 3000 for sale,
Seldom used on TX, I am selling this to
help with the finances towards purchasing a 6500.
Looking for £950 incl postage in UK.
If anyone is interested email me.
My email is ok on qrz
Paul
GI4FZD
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Re: [Flexradio] jt65 question

[Michael Walker]

If you are concerned about the sidebands or carrier that you see (I think I
have seen it as well), I just created a narrower transmit bandwidth with a
high pass of 300hz and a low pass of 2000hz (or something like that).

Mike va3mw


On Tue, Nov 20, 2012 at 11:54 AM, Brian Lloyd wrote:

> On Tue, Nov 20, 2012 at 8:37 AM, Steven Catani  wrote:
>
> > When I transmit, the signal as displayed in the panadapter shows broad
> > tails and what looks like lots of harmonics. It also has "blips" every
> sec
> > or so where it looks like an envelope over the entire signal shows up...
> > this is more apparent if average is turned off. I can reduce the
> harmonics
> > by narrowing the transmit filter but this seem kludgy to me. I have made
> > 30+ contacts but something feels wrong.
> >
>
> The "blips" every second or so are the sidebands from the frequency
> modulation when JT65 changes tones. Remember, every time you change
> amplitude, frequency, or phase, you get modulation sidebands.
>
> I am not sure what you mean by "tails". If you are seeing many spectral
> lines other than the carrier at time other than when JT65 is switching
> tones, you may be overdriving the TX audio section. Start by setting the TX
> meter in PSDR to read mic level. Make sure that the mic level (actually the
> audio input level) never exceeds 0dB. I normally set VAC TX gain to produce
> -1dB for MFSK modes like JT65, WSPR, Olivia, MFSK-16, etc. For PSK31 or
> other digital modes that have a significant amplitude component I use -2dB
> or -3dB to ensure I have headroom and won't clip the signal in the audio
> stages.
>
> --
> Brian Lloyd, WB6RQN/J79BPL
> 3191 Western Dr.
> Cameron Park, CA 95682
> br...@lloyd.com
> +1.767.617.1365 (Dominica)
> +1.916.877.5067 (USA)
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Re: [Flexradio] flex 3000

[John Molenda]

Thanks to Brian and other got the info I needed.  John kb2huk
On 11/20/2012 12:14 PM, Brian Lloyd wrote:
On Tue, Nov 20, 2012 at 8:59 AM, John Molenda > wrote:


I am thinking of selling or trading my flex 1500 for a flex 3000
to get a out put of 100 watts .  can some one tell me if the
current drain on the 3000 is similar to the 1500 at 10 watts and
below ? 



No, it is not. The 3000 is NOT a QRP rig at QRP levels. Just the idle 
current on the 3000 in TX with no output at all is 5A from 13.8V. 
Raise the output to 10W and the current is 10A at 13.8V.


what is the current drain at 100 watts on the flex 3000 ?


Mine draws 22A.

--
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com 
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)


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[Flexradio] 3 Gb RAM?

[George J Molnar]

For Michael, W4HIJ...

You may be experiencing problems by having an odd memory configuration. Many 
PCs really prefer to see even values of matched RAM (same size and speed). Your 
BIOS may not be able to support the memory you're using, or the differences 
between the chips may be causing irregular operation. I'd recommend getting a 
matched set of RAM modules and trying that. You'll need to consult your 
motherboard docs to see what speed and capacities are supported.

George J Molnar
Las Vegas, USA

Amateur Radio: KF2T
Twitter: GJMolnar







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Re: [Flexradio] flex 3000

[Brian Lloyd]

On Tue, Nov 20, 2012 at 8:59 AM, John Molenda wrote:

> I am thinking of selling or trading my flex 1500 for a flex 3000 to get a
> out put of 100 watts .  can some one tell me if the current drain on the
> 3000 is similar to the 1500 at 10 watts and below ?


No, it is not. The 3000 is NOT a QRP rig at QRP levels. Just the idle
current on the 3000 in TX with no output at all is 5A from 13.8V. Raise the
output to 10W and the current is 10A at 13.8V.


> what is the current drain at 100 watts on the flex 3000 ?
>

Mine draws 22A.

-- 
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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[Flexradio] flex 3000

[John Molenda]

I am thinking of selling or trading my flex 1500 for a flex 3000 to get 
a out put of 100 watts .  can some one tell me if the current drain on 
the 3000 is similar to the 1500 at 10 watts and below ?  what is the 
current drain at 100 watts on the flex 3000 ?  thanks  John Molenda kb2huk

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Re: [Flexradio] jt65 question

[Brian Lloyd]

On Tue, Nov 20, 2012 at 8:37 AM, Steven Catani  wrote:

> When I transmit, the signal as displayed in the panadapter shows broad
> tails and what looks like lots of harmonics. It also has "blips" every sec
> or so where it looks like an envelope over the entire signal shows up...
> this is more apparent if average is turned off. I can reduce the harmonics
> by narrowing the transmit filter but this seem kludgy to me. I have made
> 30+ contacts but something feels wrong.
>

The "blips" every second or so are the sidebands from the frequency
modulation when JT65 changes tones. Remember, every time you change
amplitude, frequency, or phase, you get modulation sidebands.

I am not sure what you mean by "tails". If you are seeing many spectral
lines other than the carrier at time other than when JT65 is switching
tones, you may be overdriving the TX audio section. Start by setting the TX
meter in PSDR to read mic level. Make sure that the mic level (actually the
audio input level) never exceeds 0dB. I normally set VAC TX gain to produce
-1dB for MFSK modes like JT65, WSPR, Olivia, MFSK-16, etc. For PSK31 or
other digital modes that have a significant amplitude component I use -2dB
or -3dB to ensure I have headroom and won't clip the signal in the audio
stages.

-- 
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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Re: [Flexradio] VAC 1 and 2

[Brian Lloyd]

On Tue, Nov 20, 2012 at 4:48 AM, Steve Potter
wrote:

> I probably should have read earlier posts, as I assumed HRD to be
> referring to DM780, where if dual VAC were possible i.e. on RX1 and RX2 in
> MultiRX then you would have two independant audio sources for psk/sstv/rtty
> etc where they fall into the passband.
>

Yes, being able to send the output of multi-RX over VAC2 would be really
nice.

-- 
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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Re: [Flexradio] VAC 1 and 2

[Michael Walker]

Could you not  send VFO A audio on the Left Channel VFO B audio on the
right channel (more of a question than a statement) and then manage those
in VAC?

Again, that would take the some work in the VAC bridge.

Worth exploring.

Mike va3mw


On Tue, Nov 20, 2012 at 7:48 AM, Steve Potter
wrote:

> I probably should have read earlier posts, as I assumed HRD to be
> referring to DM780, where if dual VAC were possible i.e. on RX1 and RX2 in
> MultiRX then you would have two independant audio sources for psk/sstv/rtty
> etc where they fall into the passband.
>
>
> cheers all
> Steve
> ___
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Re: [Flexradio] VAC 1 and 2

[Steve Potter]

I probably should have read earlier posts, as I assumed HRD to be referring to 
DM780, where if dual VAC were possible i.e. on RX1 and RX2 in MultiRX then you 
would have two independant audio sources for psk/sstv/rtty etc where they fall 
into the passband.


cheers all
Steve

From: FlexRadio [flexradio-boun...@flex-radio.biz] on behalf of Michael Walker 
[va...@portcredit.net]
Sent: 20 November 2012 12:41
To: flexradio@flex-radio.biz
Subject: Re: [Flexradio] VAC 1 and 2

Why not use the VAC repeater and split the audio.  That is what it is there
for.  Then, you could use both at the same time.  Then both applications
are full time connected.

I have had my HRD RX audio coming out my speakers and then fed that audio
into the Skype IN at the same time as a example.

You will then have to sort out the PTT lines, but that shouldn't be too
difficult.

Mike va3mw


On Tue, Nov 20, 2012 at 7:35 AM, Steve Potter
wrote:

> This is something lots of us paupers have asked for previously, would be a
> great addition to the next version.
> It is probably a mammoth task to complete, but a superb expansion of PSDR
> capabilities
> Steve
>
> 
> From: FlexRadio [flexradio-boun...@flex-radio.biz] on behalf of Ken Akin [
> kena...@gmail.com]
> Sent: 19 November 2012 19:07
> To: Guy WR7K
> Cc: flexradio@flex-radio.biz
> Subject: Re: [Flexradio] VAC 1 and 2
>
> Guy -
>
> Sorry, but no.  You need a 5000 with the second receiver to use  the second
> VAC.
>
> 73
>
> Ken  AC0HO
>
> On Mon, Nov 19, 2012 at 1:05 PM, Guy WR7K  wrote:
>
> > Can I use both of the VAC?  One setup for JT65 HF and the other for HRD.
> >  I do not have the second receiver and VAC 2 is grayed out.
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Re: [Flexradio] VAC 1 and 2

[Michael Walker]

Why not use the VAC repeater and split the audio.  That is what it is there
for.  Then, you could use both at the same time.  Then both applications
are full time connected.

I have had my HRD RX audio coming out my speakers and then fed that audio
into the Skype IN at the same time as a example.

You will then have to sort out the PTT lines, but that shouldn't be too
difficult.

Mike va3mw


On Tue, Nov 20, 2012 at 7:35 AM, Steve Potter
wrote:

> This is something lots of us paupers have asked for previously, would be a
> great addition to the next version.
> It is probably a mammoth task to complete, but a superb expansion of PSDR
> capabilities
> Steve
>
> 
> From: FlexRadio [flexradio-boun...@flex-radio.biz] on behalf of Ken Akin [
> kena...@gmail.com]
> Sent: 19 November 2012 19:07
> To: Guy WR7K
> Cc: flexradio@flex-radio.biz
> Subject: Re: [Flexradio] VAC 1 and 2
>
> Guy -
>
> Sorry, but no.  You need a 5000 with the second receiver to use  the second
> VAC.
>
> 73
>
> Ken  AC0HO
>
> On Mon, Nov 19, 2012 at 1:05 PM, Guy WR7K  wrote:
>
> > Can I use both of the VAC?  One setup for JT65 HF and the other for HRD.
> >  I do not have the second receiver and VAC 2 is grayed out.
> > ___
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> > http://www.flexradio.com/
> >
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Re: [Flexradio] VAC 1 and 2

[Steve Potter]

This is something lots of us paupers have asked for previously, would be a 
great addition to the next version.
It is probably a mammoth task to complete, but a superb expansion of PSDR 
capabilities
Steve


From: FlexRadio [flexradio-boun...@flex-radio.biz] on behalf of Ken Akin 
[kena...@gmail.com]
Sent: 19 November 2012 19:07
To: Guy WR7K
Cc: flexradio@flex-radio.biz
Subject: Re: [Flexradio] VAC 1 and 2

Guy -

Sorry, but no.  You need a 5000 with the second receiver to use  the second
VAC.

73

Ken  AC0HO

On Mon, Nov 19, 2012 at 1:05 PM, Guy WR7K  wrote:

> Can I use both of the VAC?  One setup for JT65 HF and the other for HRD.
>  I do not have the second receiver and VAC 2 is grayed out.
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