K3/P3 S meter calibration

[Georges Ringotte F6DFZ]

Hi to the group,

I have a question about the S meter calibration.
On HF bands, It's on spot, very impressive indeed from S1 to end of scale, tracking my HP generator nearly perfectly ; S9 at -73dBm

However, it's not the same with the internal K144XV 2 m transverter.

P3 is good, -93 dBm at S9. The K3 is very poor, S3/S4 for that same level.

Do you have any explication ?

Best regards

Georges
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[Jeff Cochrane - VK4XA]

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[N5GE]

I too have noticed and wondered about this behavior.

Tom Childers
Amateur Radio Operator N5GE
Licensed 1976

On Mon, 14 Mar 2011 11:07:04 +0100, you wrote:

>Hi to the group,
>
>I have a question about the S meter calibration.
>On HF bands, It's on spot, very impressive indeed from S1 to end of scale, tracking my HP generator nearly perfectly ; S9 at -73dBm
>
>However, it's not the same with the internal K144XV 2 m transverter.
>
>P3 is good, -93 dBm at S9. The K3 is very poor, S3/S4 for that same level.
>
>Do you have any explication ?
>
>Best regards
>
>Georges
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>Post: mailto:[hidden email]
>
>This list hosted by: http://www.qsl.net
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[Roger Dallimore-2]

Mines' the same, about S4/5 maximum. Pity, works great otherwise.

73
Roger MW0IDX

K3 #191  K2 #2724  KX1 #416
> Hi Georges,
> Like you I cannot fathom why the K144XV is so low in it's received signal strength, I too see no better than S3-S4 on signals that on all other radios are S9-S9+.
> I (and others) have asked Elecraft about the discrepancy but as yet the low S meter reading issue remains unfixed.
> It used to read a little high when compared to other rigs and firmware version 3.97 made it read quite accurately.

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[John Lemay]

It hasn't always been like this and I'm sure there will be a software fix.

I hope it's on the Elecraft "to do" list ?

John G4ZTR

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Roger Dallimore
Sent: 14 March 2011 19:30
To: [hidden email]
Subject: Re: [Elecraft] K3 S meter calibration

Mines' the same, about S4/5 maximum. Pity, works great otherwise.

73
Roger MW0IDX

K3 #191  K2 #2724  KX1 #416
> Hi Georges,
> Like you I cannot fathom why the K144XV is so low in it's received signal
strength, I too see no better than S3-S4 on signals that on all other radios
are S9-S9+.
> I (and others) have asked Elecraft about the discrepancy but as yet the
low S meter reading issue remains unfixed.
> It used to read a little high when compared to other rigs and firmware
version 3.97 made it read quite accurately.

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[Geoffrey Downs-3]

So do I.  There have been postings to the reflector about it over a long
period. I believe it's a question of making S9 = -93dbm on 2m.

73 to all

Geoff
G3UCK


----- Original Message -----
From: "John Lemay" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, March 15, 2011 8:03 AM
Subject: Re: [Elecraft] K3 S meter calibration


> It hasn't always been like this and I'm sure there will be a software fix.
>
> I hope it's on the Elecraft "to do" list ?
>
> John G4ZTR
>

> > Mines' the same, about S4/5 maximum. Pity, works great otherwise.
>
> 73
> Roger MW0IDX
>
> K3 #191  K2 #2724  KX1 #416

>> Hi Georges,
>> Like you I cannot fathom why the K144XV is so low in it's received signal
> strength, I too see no better than S3-S4 on signals that on all other
> radios
> are S9-S9+.

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