K3: reduced PWR in Data Mode on 10m only

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K3: reduced PWR in Data Mode on 10m only

Bob KD7YZ
If I use CW then I get whatever the rig will put out, on 10m. The VSWR
shows about 1.3:1

When I switch to Digital then I get about 6w out from 0 to 11w, as
indicated when I turn the "PWR" knob.

When I turn the PWR knob higher then though it indicates from 11 to 100,
the output, as seen on the Elecraft W2, is circa 0 to 1 watt.

Until I go to CW, as I said, then the output is correct, the K3 dial
shows the correct number of bars and so forth.

All other bands work fine on Tx-Data mode.

The antenna is not the problem. I figure there is a setting somewhere I
have messed up. However, this must be an elusive setting.


--

Bob KD7YZ
AMSAT LM 0901
http://www.qrz.com/db/KD7YZ
www.denstarfarm.us/LGD
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Re: K3: reduced PWR in Data Mode on 10m only

Mike K2MK
Hi Bob,

Turning the power knob and reading the power in the lower display is not really an indication that the K3 is putting out that same amount of power. You would need to set the K3 meter to display power output. (Hold the DISP button until the RF bar appears below the S units). I suspect the meter will agree with the W2 and that you are not putting out any power.

Is it possible that your digital software is not activating the VOX or PTT. If VOX is the issue it might be a simple matter of increasing the VOX GN menu setting.

73,
Mike K2MK


Bob KD7YZ wrote
If I use CW then I get whatever the rig will put out, on 10m. The VSWR
shows about 1.3:1

When I switch to Digital then I get about 6w out from 0 to 11w, as
indicated when I turn the "PWR" knob.

When I turn the PWR knob higher then though it indicates from 11 to 100,
the output, as seen on the Elecraft W2, is circa 0 to 1 watt.

Until I go to CW, as I said, then the output is correct, the K3 dial
shows the correct number of bars and so forth.

All other bands work fine on Tx-Data mode.

The antenna is not the problem. I figure there is a setting somewhere I
have messed up. However, this must be an elusive setting.

Bob KD7YZ
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Re: K3: reduced PWR in Data Mode on 10m only

Nr4c
Except that 10 meters was mentioned my first check would be that the audio level is set wrong for digital modes.
For Elecraft radios, audio level should light up 4 bars on the ALC Meter with the fifth bar flashing. This will provide a proper audio drive to properly modulate the transmitter and provide a clean signal. Set output power with the PWR control.

Sent from my iPhone
...nr4c. bill


> On Apr 17, 2014, at 5:11 PM, Mike K2MK <[hidden email]> wrote:
>
> Hi Bob,
>
> Turning the power knob and reading the power in the lower display is not
> really an indication that the K3 is putting out that same amount of power.
> You would need to set the K3 meter to display power output. (Hold the DISP
> button until the RF bar appears below the S units). I suspect the meter will
> agree with the W2 and that you are not putting out any power.
>
> Is it possible that your digital software is not activating the VOX or PTT.
> If VOX is the issue it might be a simple matter of increasing the VOX GN
> menu setting.
>
> 73,
> Mike K2MK
>
>
>
> Bob KD7YZ wrote
>> If I use CW then I get whatever the rig will put out, on 10m. The VSWR
>> shows about 1.3:1
>>
>> When I switch to Digital then I get about 6w out from 0 to 11w, as
>> indicated when I turn the "PWR" knob.
>>
>> When I turn the PWR knob higher then though it indicates from 11 to 100,
>> the output, as seen on the Elecraft W2, is circa 0 to 1 watt.
>>
>> Until I go to CW, as I said, then the output is correct, the K3 dial
>> shows the correct number of bars and so forth.
>>
>> All other bands work fine on Tx-Data mode.
>>
>> The antenna is not the problem. I figure there is a setting somewhere I
>> have messed up. However, this must be an elusive setting.
>>
>> Bob KD7YZ
>
>
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/K3-reduced-PWR-in-Data-Mode-on-10m-only-tp7587402p7587406.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> ______________________________________________________________
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Re: K3: reduced PWR in Data Mode on 10m only

Bob KD7YZ
On 4/17/2014 18:08, Nr4c wrote:
> Except that 10 meters was mentioned my first check would be that the
> audio level is set wrong for digital modes.

thanks for the input.

I just verified that the ALC bars are as described. Line-In and so forth
are set ...

But this wouldn't be band-specific would it?

It's now not just ten meters. What I don't recall is the last time I
actually TRIED to run more than 5 to 10w on a digital mode,

So here's the break-down:
10,12,15,17,20 all toggle to near zero when the click is heard as power
on the K3 is increased from circa 11.8 thru 12w (when I hear a click and
the K3 HP 100 watt deck is activated). None of these will put out more
than 6 to 8 watts despite what the RF power says it thinks the K3 is doing.

40,60,80,160 all will transmit 1 through 100w on TX-Data through the
soundcard.

On CW, 160 thru 10m will xmit 100w .

the number of ALC bars is fairly constant through the bands, in Tx-Data
mode, when sending via the Soundcard.




--

Bob KD7YZ
AMSAT LM 0901
http://www.qrz.com/db/KD7YZ
www.denstarfarm.us/LGD
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Re: K3: reduced PWR in Data Mode on 10m only

Phil Wheeler-2
Seems like it could be band-specific if an RF
problem -- maybe RF getting into the cables from
the rig to the audio source or some such. That
would not affect CW.

73, Phil w7ox

On 4/17/14, 7:41 PM, Bob KD7YZ wrote:

> On 4/17/2014 18:08, Nr4c wrote:
>> Except that 10 meters was mentioned my first check would be that the
>> audio level is set wrong for digital modes.
> thanks for the input.
>
> I just verified that the ALC bars are as described. Line-In and so forth
> are set ...
>
> But this wouldn't be band-specific would it?
>
> It's now not just ten meters. What I don't recall is the last time I
> actually TRIED to run more than 5 to 10w on a digital mode,
>
> So here's the break-down:
> 10,12,15,17,20 all toggle to near zero when the click is heard as power
> on the K3 is increased from circa 11.8 thru 12w (when I hear a click and
> the K3 HP 100 watt deck is activated). None of these will put out more
> than 6 to 8 watts despite what the RF power says it thinks the K3 is doing.
>
> 40,60,80,160 all will transmit 1 through 100w on TX-Data through the
> soundcard.
>
> On CW, 160 thru 10m will xmit 100w .
>
> the number of ALC bars is fairly constant through the bands, in Tx-Data
> mode, when sending via the Soundcard.
>
>
>
>

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Re: K3: reduced PWR in Data Mode on 10m only

Nr4c
In reply to this post by Bob KD7YZ
Well it's out of league. Are you sure the mode is either DATA A or FSK D?

Sent from my iPhone
...nr4c. bill


> On Apr 17, 2014, at 10:41 PM, Bob KD7YZ <[hidden email]> wrote:
>
>> On 4/17/2014 18:08, Nr4c wrote:
>> Except that 10 meters was mentioned my first check would be that the
>> audio level is set wrong for digital modes.
>
> thanks for the input.
>
> I just verified that the ALC bars are as described. Line-In and so forth
> are set ...
>
> But this wouldn't be band-specific would it?
>
> It's now not just ten meters. What I don't recall is the last time I
> actually TRIED to run more than 5 to 10w on a digital mode,
>
> So here's the break-down:
> 10,12,15,17,20 all toggle to near zero when the click is heard as power
> on the K3 is increased from circa 11.8 thru 12w (when I hear a click and
> the K3 HP 100 watt deck is activated). None of these will put out more
> than 6 to 8 watts despite what the RF power says it thinks the K3 is doing.
>
> 40,60,80,160 all will transmit 1 through 100w on TX-Data through the
> soundcard.
>
> On CW, 160 thru 10m will xmit 100w .
>
> the number of ALC bars is fairly constant through the bands, in Tx-Data
> mode, when sending via the Soundcard.
>
>
>
>
> --
>
> Bob KD7YZ
> AMSAT LM 0901
> http://www.qrz.com/db/KD7YZ
> www.denstarfarm.us/LGD
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Re: K3: reduced PWR in Data Mode on 10m only

Don Wilhelm-4
In reply to this post by Bob KD7YZ
Bob,

Does the same thing happen if you operate into a dummy load?
If all is OK into a dummy load, then the K3 is OK, but you have
RF-in-the-shack issues to resolve - add current mode chokes to your
antenna feedlines.

73,
Don W3FPR

On 4/17/2014 10:41 PM, Bob KD7YZ wrote:

> On 4/17/2014 18:08, Nr4c wrote:
>> Except that 10 meters was mentioned my first check would be that the
>> audio level is set wrong for digital modes.
> thanks for the input.
>
> I just verified that the ALC bars are as described. Line-In and so forth
> are set ...
>
> But this wouldn't be band-specific would it?
>
> It's now not just ten meters. What I don't recall is the last time I
> actually TRIED to run more than 5 to 10w on a digital mode,
>
> So here's the break-down:
> 10,12,15,17,20 all toggle to near zero when the click is heard as power
> on the K3 is increased from circa 11.8 thru 12w (when I hear a click and
> the K3 HP 100 watt deck is activated). None of these will put out more
> than 6 to 8 watts despite what the RF power says it thinks the K3 is doing.
>
> 40,60,80,160 all will transmit 1 through 100w on TX-Data through the
> soundcard.
>
> On CW, 160 thru 10m will xmit 100w .
>
> the number of ALC bars is fairly constant through the bands, in Tx-Data
> mode, when sending via the Soundcard.
>
>
>
>

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Just built my new P3

W2RMS
Well, i guess i'm one step closer to completing my K-Line...
Just built my new P3 that i received today (SN 3157).
Very nice!
Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so that's the major advantage.
I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
I guess i'll get used to the P3 just the same.

Gonna start saving my pennies for the amp now...
Hopefully by Dayton i'll be good to go.
So much more stuff that i wanna get from Elecraft (W2, XG3).

Slava B
W2RMS
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Re: Just built my new P3

Frank Precissi
On Thu, Apr 17, 2014 at 9:29 PM, Slava Baytalskiy <[hidden email]>wrote:

> Well, i guess i'm one step closer to completing my K-Line...
> Just built my new P3 that i received today (SN 3157).
> Very nice!
> Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so
> that's the major advantage.
> I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
> I guess i'll get used to the P3 just the same.
>
> Gonna start saving my pennies for the amp now...
> Hopefully by Dayton i'll be good to go.
> So much more stuff that i wanna get from Elecraft (W2, XG3).
>
> Slava B
> W2RMS
>

I'm in the same boat as you.  Put my P3/SVGA together a few weeks ago.  I'm
really pleased with it.  Sure its not NaP3 (which I had before), but not
relying on my shack PC (that goes into cooling-fan overdrive) is well worth
the money.  Plus the entire P3 is entirely hooked into my K3 (monitor
excluded of course).  You'll get used to using the markers to QSY and soon
it'll be easier than using the mouse.

Helpful tip: Set FN1-FN4 to various spans (I have mine set to 25, 50, 100,
200).

I initially thought it wouldn't be worth the money, now i'm wondering why I
didnt buy one a long time ago.

Frank
KG6EYC

--
CW: NAQCC #6554 | SKCC #10435 | FISTS #16155 | SOC #1038 | FPQRP #3186
Digital: FHC #4224 | 30MDG #6370 | DMC #5698
Gear: K3 #7164 | P3 #3134 | KX3 #1787
http://vadept.com
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Re: Just built my new P3

W2RMS
In reply to this post by W2RMS
Hey guys!
What are these red LEDs that are flashing inside my new P3?
Just noticed it when looking at the back of the unit through that clear square plastic window that's covering that empty "future" port of some kind.
I see one toward the back of the unit and two other alternating ones toward the front panel.

Thanks in advance!
Slava B
W2RMS

On Apr 18, 2014, at 12:29 AM, Slava Baytalskiy <[hidden email]> wrote:

> Well, i guess i'm one step closer to completing my K-Line...
> Just built my new P3 that i received today (SN 3157).
> Very nice!
> Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so that's the major advantage.
> I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
> I guess i'll get used to the P3 just the same.
>
> Gonna start saving my pennies for the amp now...
> Hopefully by Dayton i'll be good to go.
> So much more stuff that i wanna get from Elecraft (W2, XG3).
>
> Slava B
> W2RMS

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Re: Just built my new P3

Alan Bloom
They are just test LEDs for troubleshooting.  If both are blinking,
that's normal.  If only one is blinking, there likely is a problem with
the graphics controller.  If neither is blinking the CPU is dead.

Alan N1AL

On 04/17/2014 09:38 PM, Slava Baytalskiy wrote:

> Hey guys!
> What are these red LEDs that are flashing inside my new P3?
> Just noticed it when looking at the back of the unit through that clear square plastic window that's covering that empty "future" port of some kind.
> I see one toward the back of the unit and two other alternating ones toward the front panel.
>
> Thanks in advance!
> Slava B
> W2RMS
>
> On Apr 18, 2014, at 12:29 AM, Slava Baytalskiy <[hidden email]> wrote:
>
>> Well, i guess i'm one step closer to completing my K-Line...
>> Just built my new P3 that i received today (SN 3157).
>> Very nice!
>> Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so that's the major advantage.
>> I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
>> I guess i'll get used to the P3 just the same.
>>
>> Gonna start saving my pennies for the amp now...
>> Hopefully by Dayton i'll be good to go.
>> So much more stuff that i wanna get from Elecraft (W2, XG3).
>>
>> Slava B
>> W2RMS
>
> ______________________________________________________________
> Elecraft mailing list
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> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>
>
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Re: K3: reduced PWR in Data Mode on 10m only

Bob KD7YZ
In reply to this post by Nr4c


On 4/17/2014 22:53, Nr4c wrote:> Well it's out of league.

that's also how I feel. Waayyyy over my head.


 Are you sure the mode is either DATA A or FSK D?

Not sure where I find a Mode named "FSK D" on the K3.



--

Bob KD7YZ
AMSAT LM 0901
http://www.qrz.com/db/KD7YZ
www.denstarfarm.us/LGD
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Re: K3: reduced PWR in Data Mode on 10m only

Don Wilhelm-4
Bob,

DATA A, AFSK A, PSK D, and FSK D are data submodes.  Set the mode to
DATA, then hold the DATA MD button and the current data submode will be
displayed.  Rotate VFO B to change it.
See the K3 manual page 31 - Data Mode Selection.

73,
Don W3FPR

On 4/18/2014 7:29 AM, Bob KD7YZ wrote:
> Not sure where I find a Mode named "FSK D" on the K3.
>
>

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Re: Just built my new P3

Ian Kahn, KM4IK
In reply to this post by W2RMS
Slava,

Congrats on the P3.  I love mine with the P3SVGA board installed.  Not only
can I find and work the pile-ups, I can also easily show visitors to my
shack what band conditions look like and where the big signals are, using
the external monitor.

I also have a W2.  I will share, from my personal experience, that I don't
use it as much since I installed my KAT500 and KPA500 in my shack.  Both of
those devices also monitor output power (KPA500) and SWR (both KAT500 and
KPA500), and I find that I get better readings from them, based on where
they sit in the RF chain.  Of course, your mileage may vary.

Good luck getting your next Elecraft toys, and 73!

-- Ian
Ian Kahn, KM4IK
Roswell, GA  EM74ua
[hidden email]
K3 #281, P3 #688, KPA500 #1468
HRD v5.x/6.0 Test Team

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Slava Baytalskiy
Sent: Friday, April 18, 2014 12:30 AM
To: Elecraft List
Subject: [Elecraft] Just built my new P3

Well, i guess i'm one step closer to completing my K-Line...
Just built my new P3 that i received today (SN 3157).
Very nice!
Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so
that's the major advantage.
I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
I guess i'll get used to the P3 just the same.

Gonna start saving my pennies for the amp now...
Hopefully by Dayton i'll be good to go.
So much more stuff that i wanna get from Elecraft (W2, XG3).

Slava B
W2RMS
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delivered to [hidden email]


---
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http://www.avast.com

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Re: K3: reduced PWR in Data Mode on 10m only

Bob KD7YZ
In reply to this post by Don Wilhelm-4
On 4/17/2014 23:02, Don Wilhelm wrote:
> Bob,
>
> Does the same thing happen if you operate into a dummy load?


Ah Don W. ,   Perfect as ever!

I put the Dummy-Load onto KAT500 ANT#3 and stepped through the bands,
initiating a "Tune" on each. Then I transmitted Tx-Data mode and was
able to get the 50 to 60 watts I was looking for: 160m through 10m.


> If all is OK into a dummy load, then the K3 is OK, but you have
> RF-in-the-shack issues to resolve - add current mode chokes to your
> antenna feedlines.

Off-Hand,  can you, or anyone,  suggest which ones might suffice for my
RG213 coax?


--

Bob KD7YZ
AMSAT LM 0901
http://www.qrz.com/db/KD7YZ
www.denstarfarm.us/LGD

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Re: K3: reduced PWR in Data Mode on 10m only

Nr4c
In reply to this post by Bob KD7YZ
It's a sub-mode of DATA mode. Press and hold the AFX button to show digital sub-modes in VFO B portion of display. Rotate VFO B knob to change mode.

Sent from my iPhone
...nr4c. bill


> On Apr 18, 2014, at 7:29 AM, Bob KD7YZ <[hidden email]> wrote:
>
>
>
> On 4/17/2014 22:53, Nr4c wrote:> Well it's out of league.
>
> that's also how I feel. Waayyyy over my head.
>
>
> Are you sure the mode is either DATA A or FSK D?
>
> Not sure where I find a Mode named "FSK D" on the K3.
>
>
>
> --
>
> Bob KD7YZ
> AMSAT LM 0901
> http://www.qrz.com/db/KD7YZ
> www.denstarfarm.us/LGD
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Re: K3: reduced PWR in Data Mode on 10m only

Don Wilhelm-4
In reply to this post by Bob KD7YZ
Bob,

The best current mode chokes I know about are the ones you can make
yourself - featured in Jim Brown's K9YC Tutorial on RFI.  See
http://audiosystemsgroup.com/RFI-Ham.pdf  See page 29 for some photos.
You can get the FT240-31 toroid cores from Diz at
http://www.partsandkits.com/
You may want to put them at the antenna feedpoint, and if still problems
put another at the shack entry point.  If your feedline runs away from
the antenna perpendicular to the radiator for at least 1/4 wavelength,
you may not need the one at the shack entry, but if the antenna is an
off center fed, it will likely be necessary, those antennas are RFI
generators.

Jim's document also deals with other ways of dealing with RFI, but the
first step IMHO is to get chokes on the feedlines which can kill RFI at
its source.

73,
Don W3FPR

On 4/18/2014 8:08 AM, Bob KD7YZ wrote:
> On 4/17/2014 23:02, Don Wilhelm wrote:
>> If all is OK into a dummy load, then the K3 is OK, but you have
>> RF-in-the-shack issues to resolve - add current mode chokes to your
>> antenna feedlines.
> Off-Hand,  can you, or anyone,  suggest which ones might suffice for my
> RG213 coax?
>
>

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Re: Just built my new P3

Charlie T, K3ICH
In reply to this post by W2RMS

"What are these red LEDs that are flashing inside my new P3?"



It's been proven that the guys at Elecraft are using alien technology in
their products.  In the recent words of a "famous" personality in DC:  "You
don't want to go there buddy!"

73' Charlie k3ICH





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Re: Just built my new P3

W2RMS
I see.
Well, that's what i pretty much figured: it must be the flux capacitor that is flashing, right?
Does it need a firmware update?

Slava B
W2RMS

On Apr 18, 2014, at 8:46 AM, Charlie T, K3ICH <[hidden email]> wrote:

>
> "What are these red LEDs that are flashing inside my new P3?"
>
>
>
> It's been proven that the guys at Elecraft are using alien technology in their products.  In the recent words of a "famous" personality in DC:  "You don't want to go there buddy!"
>
> 73' Charlie k3ICH
>
>
>
>
>
> ______________________________________________________________
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Re: Just built my new P3

Ian Kahn, KM4IK
In reply to this post by W2RMS
Slava,

Congrats on the P3. I love mine with the P3SVGA board installed. Not
only can I find and work the pile-ups, I can also easily show visitors to
my shack what band conditions look like and where the big signals are,
using the external monitor.

I also have a W2. I will share, from my personal experience, that I don't
use it as much since I installed my KAT500 and KPA500 in my shack. Both
of those devices also monitor output power (KPA500) and SWR (both KAT500
and KPA500), and I find that I get better readings from them, based on
where they sit in the RF chain. Of course, your mileage may vary.

Good luck getting your next Elecraft toys, and 73!

-- Ian
Ian Kahn, KM4IK
Roswell, GA  EM74ua
[hidden email]
K3 #281, P3 #688, KPA500 #1468
HRD v5.x/6.0 Test Team

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Slava Baytalskiy
Sent: Friday, April 18, 2014 12:30 AM
To: Elecraft List
Subject: [Elecraft] Just built my new P3

Well, i guess i'm one step closer to completing my K-Line...
Just built my new P3 that i received today (SN 3157).
Very nice!
Its no LP-Pan/NaP3, i tell you that, but it doesn't require a computer, so
that's the major advantage.
I've gotten pretty used to using the NaP3 on my Mac, click/drag and such.
I guess i'll get used to the P3 just the same.

Gonna start saving my pennies for the amp now...
Hopefully by Dayton i'll be good to go.
So much more stuff that i wanna get from Elecraft (W2, XG3).

Slava B
W2RMS
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