[P3] P3 and K144XV

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[P3] P3 and K144XV

N5GE
Does the P3 Display 2m with the K144XV and other XVTRs?

Thanks,

Tom Childers
N5GE Antenna
4507 Branchview Drive
Arlington, TX 76017
[hidden email]
http://www.n5ge.com

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Amateur Radio Operator N5GE
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Re: [P3] P3 and K144XV

Bill K9YEQ
I have used the P3 with the K144xv.
Bill
K9YEQ

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Radio Amateur N5GE
Sent: Saturday, August 28, 2010 7:10 AM
To: Elecraft
Subject: [Elecraft] [P3] P3 and K144XV

Does the P3 Display 2m with the K144XV and other XVTRs?

Thanks,

Tom Childers
N5GE Antenna
4507 Branchview Drive
Arlington, TX 76017
[hidden email]
http://www.n5ge.com

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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
HI Bill,

Was there some set up you had to do to get the P3 to properly display
the spectrum when on 2m?  I tried this last night to discover on mine
set up that the P3 spectrum display noise line climbs out of site and
the water fall goes to orange. Switch back to 6m or below and all works.
Same on both my K3s.

Does any one recognize this symptom?

Thanks and 73, tom

On 8/28/2010 2:57 PM, Bill K9YEQ wrote:

> I have used the P3 with the K144xv.
> Bill
> K9YEQ
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Radio Amateur N5GE
> Sent: Saturday, August 28, 2010 7:10 AM
> To: Elecraft
> Subject: [Elecraft] [P3] P3 and K144XV
>
> Does the P3 Display 2m with the K144XV and other XVTRs?
>
> Thanks,
>
> Tom Childers
> N5GE Antenna
> 4507 Branchview Drive
> Arlington, TX 76017
> [hidden email]
> http://www.n5ge.com
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
make that climbs out of sight. 73, tom n4zpt

On 8/5/2011 10:59 PM, Tom Azlin N4ZPT wrote:

> HI Bill,
>
> Was there some set up you had to do to get the P3 to properly display
> the spectrum when on 2m?  I tried this last night to discover on mine
> set up that the P3 spectrum display noise line climbs out of site and
> the water fall goes to orange. Switch back to 6m or below and all works.
> Same on both my K3s.
>
> Does any one recognize this symptom?
>
> Thanks and 73, tom
>
> On 8/28/2010 2:57 PM, Bill K9YEQ wrote:
>> I have used the P3 with the K144xv.
>> Bill
>> K9YEQ
>>
>> -----Original Message-----
>> From: [hidden email]
>> [mailto:[hidden email]] On Behalf Of Radio Amateur N5GE
>> Sent: Saturday, August 28, 2010 7:10 AM
>> To: Elecraft
>> Subject: [Elecraft] [P3] P3 and K144XV
>>
>> Does the P3 Display 2m with the K144XV and other XVTRs?
>>
>> Thanks,
>>
>> Tom Childers
>> N5GE Antenna
>> 4507 Branchview Drive
>> Arlington, TX 76017
>> [hidden email]
>> http://www.n5ge.com
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
>> ______________________________________________________________
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>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
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>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
>
> ______________________________________________________________
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Re: [P3] P3 and K144XV

Stan Gibbs, KR7C
In reply to this post by Tom Azlin N4ZPT-2
Tom,

Sounds like your "Ref Lvl" is set too high.  The color of the waterfall reflects the vertical position of the trace in the frequency display.  If you reduce the reference level, the frequency display will return to a viewable position, and the orange waterfall will revert to blue.

The reference level is per-band so you have to adjust it for each band you operate on.  For my 2m setup the ref level is set at -145 dBm, which allows me to see the frequency trace when the pre-amp is on or off.

73, Stan - KR7C
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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
thanks Stan,

I tried that but will go back and try it again. Was planning to hook a
spectrum analyzer to the IF out to see what the actual output level is
when I switch to 2m.

73, tom n4zpt

On 8/6/2011 11:13 AM, Stan Gibbs wrote:

> Tom,
>
> Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
> reflects the vertical position of the trace in the frequency display.  If
> you reduce the reference level, the frequency display will return to a
> viewable position, and the orange waterfall will revert to blue.
>
> The reference level is per-band so you have to adjust it for each band you
> operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
> me to see the frequency trace when the pre-amp is on or off.
>
>
>
> -----
> 73, Stan - KR7C

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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
In reply to this post by Stan Gibbs, KR7C
Hi Stan,

Adjusting the ref level does not help. Looking at the IF output of the
P3 the actual signal level is not changing when I switch between 6m and
2m. I hooked up my QS1R SDR and can see the signals fine when the P3
water fall display is orange when I am on 2m. I can not find a ref level
that works. Radio is working fine on 2m as I can copy signals fine.

When i disconnect the serial cable between the P3 and K3 the display is
fine minus frequency and filter info of course.

All the software is up today. Both of my K3s do this.

Any ideas gang??

73, tom n4zpt

On 8/6/2011 11:13 AM, Stan Gibbs wrote:

> Tom,
>
> Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
> reflects the vertical position of the trace in the frequency display.  If
> you reduce the reference level, the frequency display will return to a
> viewable position, and the orange waterfall will revert to blue.
>
> The reference level is per-band so you have to adjust it for each band you
> operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
> me to see the frequency trace when the pre-amp is on or off.
>
>
>
> -----
> 73, Stan - KR7C
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/P3-P3-and-K144XV-tp5472582p6659797.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>

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Re: [P3] P3 and K144XV

Alan Bloom
It could be that the MENU:XV_Gain setting for two meters got wildly
wrong somehow.  You might try changing it.  Another possibility would be
to do the parameter initialization (under Troubleshooting in the
manual).

Alan

On Sat, 2011-08-06 at 16:40 -0400, Tom Azlin N4ZPT wrote:

> Hi Stan,
>
> Adjusting the ref level does not help. Looking at the IF output of the
> P3 the actual signal level is not changing when I switch between 6m and
> 2m. I hooked up my QS1R SDR and can see the signals fine when the P3
> water fall display is orange when I am on 2m. I can not find a ref level
> that works. Radio is working fine on 2m as I can copy signals fine.
>
> When i disconnect the serial cable between the P3 and K3 the display is
> fine minus frequency and filter info of course.
>
> All the software is up today. Both of my K3s do this.
>
> Any ideas gang??
>
> 73, tom n4zpt
>
> On 8/6/2011 11:13 AM, Stan Gibbs wrote:
> > Tom,
> >
> > Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
> > reflects the vertical position of the trace in the frequency display.  If
> > you reduce the reference level, the frequency display will return to a
> > viewable position, and the orange waterfall will revert to blue.
> >
> > The reference level is per-band so you have to adjust it for each band you
> > operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
> > me to see the frequency trace when the pre-amp is on or off.
> >
> >
> >
> > -----
> > 73, Stan - KR7C
> > --
> > View this message in context: http://elecraft.365791.n2.nabble.com/P3-P3-and-K144XV-tp5472582p6659797.html
> > Sent from the Elecraft mailing list archive at Nabble.com.
> > ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:[hidden email]
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
> >
>
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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
Thanks Alan,

I will go back in and check the initial set up for the K144XV as well as
the P3 and K3.  Certainly some sort of widely different gain setting on
2m. BUT looking at the IF out the signal levels are "proper" as I did
not have to change the scale very much on the SDR pan display.

73, tom n4zpt



On 8/6/2011 10:37 PM, Alan Bloom wrote:

> It could be that the MENU:XV_Gain setting for two meters got wildly
> wrong somehow.  You might try changing it.  Another possibility would be
> to do the parameter initialization (under Troubleshooting in the
> manual).
>
> Alan
>
> On Sat, 2011-08-06 at 16:40 -0400, Tom Azlin N4ZPT wrote:
>> Hi Stan,
>>
>> Adjusting the ref level does not help. Looking at the IF output of the
>> P3 the actual signal level is not changing when I switch between 6m and
>> 2m. I hooked up my QS1R SDR and can see the signals fine when the P3
>> water fall display is orange when I am on 2m. I can not find a ref level
>> that works. Radio is working fine on 2m as I can copy signals fine.
>>
>> When i disconnect the serial cable between the P3 and K3 the display is
>> fine minus frequency and filter info of course.
>>
>> All the software is up today. Both of my K3s do this.
>>
>> Any ideas gang??
>>
>> 73, tom n4zpt
>>
>> On 8/6/2011 11:13 AM, Stan Gibbs wrote:
>>> Tom,
>>>
>>> Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
>>> reflects the vertical position of the trace in the frequency display.  If
>>> you reduce the reference level, the frequency display will return to a
>>> viewable position, and the orange waterfall will revert to blue.
>>>
>>> The reference level is per-band so you have to adjust it for each band you
>>> operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
>>> me to see the frequency trace when the pre-amp is on or off.
>>>
>>>
>>>
>>> -----
>>> 73, Stan - KR7C
>>> --
>>> View this message in context: http://elecraft.365791.n2.nabble.com/P3-P3-and-K144XV-tp5472582p6659797.html
>>> Sent from the Elecraft mailing list archive at Nabble.com.
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>> Please help support this email list: http://www.qsl.net/donate.html
>>
>
>
>
>

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Re: [P3] P3 and K144XV

Tom Azlin N4ZPT-2
OK, seem to have solved the problem. The P3 XV Gain #1 setting was way
wrong, in fact never set right.  Also had to switch the P3 XV Invert #1
to inverted. So now appears that I can see the 2m spectrum with the P3.
Just have to go get a signal generator to calibrate the display.

Alan and Gary from Elecraft kept suggesting what to do until I got it
right. Thanks Alan and Gary and Elecraft.

73, tom n4zpt

On 8/7/2011 2:02 PM, Tom Azlin N4ZPT wrote:

> Thanks Alan,
>
> I will go back in and check the initial set up for the K144XV as well as
> the P3 and K3.  Certainly some sort of widely different gain setting on
> 2m. BUT looking at the IF out the signal levels are "proper" as I did
> not have to change the scale very much on the SDR pan display.
>
> 73, tom n4zpt
>
>
>
> On 8/6/2011 10:37 PM, Alan Bloom wrote:
>> It could be that the MENU:XV_Gain setting for two meters got wildly
>> wrong somehow.  You might try changing it.  Another possibility would be
>> to do the parameter initialization (under Troubleshooting in the
>> manual).
>>
>> Alan
>>
>> On Sat, 2011-08-06 at 16:40 -0400, Tom Azlin N4ZPT wrote:
>>> Hi Stan,
>>>
>>> Adjusting the ref level does not help. Looking at the IF output of the
>>> P3 the actual signal level is not changing when I switch between 6m and
>>> 2m. I hooked up my QS1R SDR and can see the signals fine when the P3
>>> water fall display is orange when I am on 2m. I can not find a ref level
>>> that works. Radio is working fine on 2m as I can copy signals fine.
>>>
>>> When i disconnect the serial cable between the P3 and K3 the display is
>>> fine minus frequency and filter info of course.
>>>
>>> All the software is up today. Both of my K3s do this.
>>>
>>> Any ideas gang??
>>>
>>> 73, tom n4zpt
>>>
>>> On 8/6/2011 11:13 AM, Stan Gibbs wrote:
>>>> Tom,
>>>>
>>>> Sounds like your "Ref Lvl" is set too high.  The color of the waterfall
>>>> reflects the vertical position of the trace in the frequency display.  If
>>>> you reduce the reference level, the frequency display will return to a
>>>> viewable position, and the orange waterfall will revert to blue.
>>>>
>>>> The reference level is per-band so you have to adjust it for each band you
>>>> operate on.  For my 2m setup the ref level is set at -145 dBm, which allows
>>>> me to see the frequency trace when the pre-amp is on or off.
>>>>
>>>>
>>>>
>>>> -----
>>>> 73, Stan - KR7C
>>>> --
>>>> View this message in context: http://elecraft.365791.n2.nabble.com/P3-P3-and-K144XV-tp5472582p6659797.html
>>>> Sent from the Elecraft mailing list archive at Nabble.com.
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:[hidden email]
>>>>
>>>> This list hosted by: http://www.qsl.net
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>>>>
>>>>
>>>
>>> ______________________________________________________________
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>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>
>>
>>
>>
>
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