Re: [Elecraft] Elecraft P3 signal intensity

[IK4EWX]

Thanks Fred of your great analysys, those that we can have from a University
Professor as you - a true gift for us, amateur radio ops. 
I have read it from your great book about K3S-P3, that I own, but it is very
interesting even reading replica. 
Anyway I asked hoping exist a setting for alignement of both units. 
Now i undestood it doesnt exist, and I can only hope in a new firmware (a
long time have passed from last release of firmware for P3 by Elecraft). 
A new P3 firmware that could take care also of this problem would be great. 
Many thanks Fred for your great work on your Elecraft manuals. 
73, 
Ian IK4EWX




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[Elecraft] Ris: Elecraft P3 signal intensity

[glcazz...@alice.it]

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[Elecraft] P3 watt reading

[Gary Smith]

Is there an established way to have the P3 
not read in PEP? I would like to use the 
P3's watt meter to tune my amp but the PEP 
mode is not good for that.

Thanks,

73,

Gary
KA1J
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Re: [Elecraft] Elecraft P3 signal intensity

[Cady, Fred]

Hi,

"Why doesn’t the P3 signal strength agree with the K3S’s S-meter?  You would 
think the S-meter on the K3S and the signal displayed on the P3 would be the 
same. There are several reasons why this might not be the case that have to do 
with your display choices.
1.When the K3S SMTR MD menu is AbS, the K3S S-meter shows the 
absolute signal at the antenna and does not change when the preamplifier or 
attenuator are engaged.  The signal at the antenna has an absolute power and 
thus isn’t, nor should it be, affected by the K3S signal processing 
preamplifier or attenuator.  If the K3S SMTR MD menu is nor, changing the 
preamplifier and attenuator will change the signal displayed on the K3S.  This 
shows you the affect of the preamplifier and attenuator.  Meanwhile, if the K3S 
and P3 serial ports are connected, the P3 knows the status of the preamplifier 
and attenuator and adjusts its display accordingly.  That is, the P3 always 
operates in absolute mode showing you the power at the K3S antenna.  So, when 
SMTR MD menu is nor changing the preamplifier and attenuator will affect the 
K3S S-meter but not the P3 display.
2.The signal level on the K3S and P3 depends on their respective 
effective bandwidths.  In the K3S the bandwidth is set by the pass band tuning 
control.  In the K3S the S-meter gives you a measure of the signal within the 
K3S bandwidth.  In the P3 the effective bandwidth is approximately the span 
divided by 450 (there are 450 pixels  displaying signals across the P3 
display).  In the P3 each pixel gives you a measure of the signal within the 
effective bandwidth of the pixel.  If the two bandwidths are different, the K3S 
and P3 signal displays will be different.
This will particularly be evident with wideband signals such as SSB.  Even when 
the P3 span is 200 kHz its effective bandwidth per pixel is 440 Hz and it does 
not contain the full signal that is seen on the K3S S-meter.
As an exercise, change to a relatively noisy band and change the width of the 
pass band tuning.  You should see less noise on the K3S display when the 
bandwidth is narrower.  While doing this you shouldn’t see any change in what 
the P3 is displaying.
The bottom line here is “Don’t worry overmuch about the signal strength 
readings.”  Each display serves a different purpose.  The K3S S-meter shows you 
the signal strength of the signal(s) within its passband and the P3 shows you 
the relative strengths of a number of signals shown in its span."

(excerpt  from "The Elecraft K3s and P3").

Cheers,
Fred KE7X

For all KE7X Elecraft books, see www.ke7x.com<http://www.ke7x.com>




From: elecraft-boun...@mailman.qth.net  on 
behalf of IK4EWX 
Sent: Saturday, August 18, 2018 1:00 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft P3 signal intensity

I have understood that it is normal that P3 with his extremely narrow IF give
lower S-units that the K3/K3S, but is it possible to adjust the P3 to give
same S-meter readings than my K3S?
Is there any way to give coherent signals intensity both K3 and P3?
On My P3 I read S6 a CW signal that is S9 on my k3S with his if 500hz wide.



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[Elecraft] Elecraft P3 signal intensity

[IK4EWX]

I have understood that it is normal that P3 with his extremely narrow IF give
lower S-units that the K3/K3S, but is it possible to adjust the P3 to give
same S-meter readings than my K3S?
Is there any way to give coherent signals intensity both K3 and P3?
On My P3 I read S6 a CW signal that is S9 on my k3S with his if 500hz wide. 



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Re: [Elecraft] P3 Firmware update fails.... ME TOO

[bill steffey]

I had changed the location of the downloaded files... to other than default...
and once I changed the location back to default the utility was very happy.
Got it all done...thanks

bill


At 10:21 AM 8/15/2018, Don Wilhelm wrote:

Bill,

The firmware update is a 2 step process.  The 
first is to download the firmware files to your 
computer (check for new files at Elecraft), and 
the 2nd is to load those files from your 
computer to the P3/K3/etc and requires you to 
click on Send Files to P3/K3/etc".


From those messages, you are apparently failing 
on the first step.  Try again and if it continues, contact your ISP.


73,
Don W3FPR

On 8/14/2018 8:17 PM, bill steffey wrote:

using p3 utility 1.16.3.15..
 Â Â  have MCUÂ  1.59Â Â  svga 1.33
and
when I check available I get   1.54  & 1.25 
"""
P3 MCU revision 01.59. RS-232 speed 38400 bit/s.
20:15:43 Opening connection to ftp.elecraft.com
20:15:43 Copying files to C:\Program Files (x86)\Elecraft\P3 Utility
20:15:43 FtpGetFile completed with error 0x0005: Access is denied
what am I doing wrong 
At 02:22 AM 8/14/2018, TL_Netvision wrote:

Hi all

I am trying to upgrade a P3 MCU 1.29 to 1.54 and\or 1.60Â  (No SVGA option
installed).

When I hit "send checked items to P3"Â  the relays click every 2 seconds and
I see 2 messages repeat forever:
1.  "Attempting to connect P3 on port COM1 at 38400 bit/s" in the P3's
utility window,
2.  "Checking for SVGA" on the P3's screen.

No uploading is performed & I can terminate the loop only with the
"cancel"
button.

Environment:
-P3 utility ver 1.16.3.1
-P3 is connected only to PS (13.8v external)Â  & PC (Genuine full RS-232
cable).
-All files are present in the "P3 firmware" folder (Windows 10 1803 build
17134).

Any ideas please?

Thanks in advance,
Isaac, 4Z1TL


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[Elecraft] P3 Wanted

[Doug Millar via Elecraft]

Hi Ecrafters, Does anyone have a P3 with a VGA board that they would like to 
part with? Best of condition is not necessary. Thanks, Doug K6JEY  562 810 3989
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Re: [Elecraft] P3 Firmware update fails.... ME TOO

[Don Wilhelm]

Bill,

The firmware update is a 2 step process.  The first is to download the 
firmware files to your computer (check for new files at Elecraft), and 
the 2nd is to load those files from your computer to the P3/K3/etc and 
requires you to click on Send Files to P3/K3/etc".


From those messages, you are apparently failing on the first step.  Try 
again and if it continues, contact your ISP.


73,
Don W3FPR

On 8/14/2018 8:17 PM, bill steffey wrote:

using p3 utility 1.16.3.15..
    have MCU  1.59   svga 1.33
and
when I check available I get   1.54  & 1.25 
"""
P3 MCU revision 01.59. RS-232 speed 38400 bit/s.
20:15:43 Opening connection to ftp.elecraft.com
20:15:43 Copying files to C:\Program Files (x86)\Elecraft\P3 Utility
20:15:43 FtpGetFile completed with error 0x0005: Access is denied

what am I doing wrong 
At 02:22 AM 8/14/2018, TL_Netvision wrote:

Hi all

I am trying to upgrade a P3 MCU 1.29 to 1.54 and\or 1.60  (No SVGA option
installed).

When I hit "send checked items to P3"  the relays click every 2 
seconds and

I see 2 messages repeat forever:
1.  "Attempting to connect P3 on port COM1 at 38400 bit/s" in the P3's
utility window,
2.  "Checking for SVGA" on the P3's screen.

No uploading is performed & I can terminate the loop only with the  
"cancel"

button.

Environment:
-P3 utility ver 1.16.3.1
-P3 is connected only to PS (13.8v external)  & PC (Genuine full RS-232
cable).
-All files are present in the "P3 firmware" folder (Windows 10 1803 build
17134).

Any ideas please?

Thanks in advance,
Isaac, 4Z1TL


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Re: [Elecraft] P3 Firmware update fails.... ME TOO

[bill steffey]

oops !  my serial port was denying access..   MY BAD


using p3 utility 1.16.3.15..
   have MCU  1.59   svga 1.33
and
when I check available I get   1.54  & 1.25 
"""
P3 MCU revision 01.59. RS-232 speed 38400 bit/s.
20:15:43 Opening connection to ftp.elecraft.com
20:15:43 Copying files to C:\Program Files (x86)\Elecraft\P3 Utility
20:15:43 FtpGetFile completed with error 0x0005: Access is denied

what am I doing wrong 
At 02:22 AM 8/14/2018, TL_Netvision wrote:

Hi all

I am trying to upgrade a P3 MCU 1.29 to 1.54 and\or 1.60  (No SVGA option
installed).

When I hit "send checked items to P3"  the relays click every 2 seconds and
I see 2 messages repeat forever:
1.  "Attempting to connect P3 on port COM1 at 38400 bit/s" in the P3's
utility window,
2.  "Checking for SVGA" on the P3's screen.

No uploading is performed & I can terminate the loop only with the  "cancel"
button.

Environment:
-P3 utility ver 1.16.3.1
-P3 is connected only to PS (13.8v external)  & PC (Genuine full RS-232
cable).
-All files are present in the "P3 firmware" folder (Windows 10 1803 build
17134).

Any ideas please?

Thanks in advance,
Isaac, 4Z1TL


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Re: [Elecraft] P3 Firmware update fails.... ME TOO

[bill steffey]

using p3 utility 1.16.3.15..
   have MCU  1.59   svga 1.33
and
when I check available I get   1.54  & 1.25 
"""
P3 MCU revision 01.59. RS-232 speed 38400 bit/s.
20:15:43 Opening connection to ftp.elecraft.com
20:15:43 Copying files to C:\Program Files (x86)\Elecraft\P3 Utility
20:15:43 FtpGetFile completed with error 0x0005: Access is denied

what am I doing wrong 
At 02:22 AM 8/14/2018, TL_Netvision wrote:

Hi all

I am trying to upgrade a P3 MCU 1.29 to 1.54 and\or 1.60  (No SVGA option
installed).

When I hit "send checked items to P3"  the relays click every 2 seconds and
I see 2 messages repeat forever:
1.  "Attempting to connect P3 on port COM1 at 38400 bit/s" in the P3's
utility window,
2.  "Checking for SVGA" on the P3's screen.

No uploading is performed & I can terminate the loop only with the  "cancel"
button.

Environment:
-P3 utility ver 1.16.3.1
-P3 is connected only to PS (13.8v external)  & PC (Genuine full RS-232
cable).
-All files are present in the "P3 firmware" folder (Windows 10 1803 build
17134).

Any ideas please?

Thanks in advance,
Isaac, 4Z1TL


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[Elecraft] P3 Firmware update fails

[TL_Netvision]

Hi all

I am trying to upgrade a P3 MCU 1.29 to 1.54 and\or 1.60  (No SVGA option
installed).

When I hit “send checked items to P3”  the relays click every 2 seconds and
I see 2 messages repeat forever:
1.  “Attempting to connect P3 on port COM1 at 38400 bit/s” in the P3’s
utility window,
2.  ”Checking for SVGA” on the P3’s screen. 

No uploading is performed & I can terminate the loop only with the  “cancel”
button.

Environment:
-P3 utility ver 1.16.3.1
-P3 is connected only to PS (13.8v external)  & PC (Genuine full RS-232
cable).
-All files are present in the “P3 firmware” folder (Windows 10 1803 build
17134).

Any ideas please?

Thanks in advance, 
Isaac, 4Z1TL


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[Elecraft] P3 for sale

[John Pierce]

Due the  sale of my K3s,  I am now selling my P3 for $480.  I can supply any
photos you might like to see.

 

The unit is SN 3856 and  was not a factory build.  I was in Computer
engineering for 40 years and retired as the Quality Assurance Director for a
company that was building and supplying flight worthy equipment to the Air
Craft industry.  That equipment is currently in use on Aircraft  giving
flyers internet access. 

 

The only thing that I did not know when I purchased the P3,  is that
Elecraft preformed  Burn In on their Factory Builds.  At Honeywell we also
performed Burn In, whose primary purpose was to weed out weak components
that could fail in early life.  Using the P3 for over two  years without any
component failures is a good substitute for what the Factory Burn is
designed to  accomplish.  You can confirm that with a call to Elecraft.   I
have built many rigs over the years and found that the P3 was not
complicated to assemble. 

 

John, AD2F

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[Elecraft] P3 Panadapter for sale

[Jim Blanca]

I have for sale an Elecraft P3-F Panadapter.  It is approximately 2 years
old, I am the second owner and it comes from & is presently in a nonsmoking
environment.



It includes the following and I will *NOT* piece it out:



P3-F Panadapter, Assembled for K3S, K3 and other rigs

P3TXMON TX  Monitor Power and Waveform Display Adapter *for the P3*

DCHF-2000  1.8-54 MHz, 1- 2000W HF 2000W Max directional coupler

*KPCA-F Power cable*

*E850410 P3 Cable for IF hookup*

*Owner’s Manual*

*Original boxes and packaging*



*Does not include the *CBLP3Y *P3 to RJ45 Connector Cable**.  *I am keeping
this cable for my use.



I am asking $800.00 plus shipping from zip code 44130



73 de Jim – KE8G
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Re: [Elecraft] P3 *remote* panadapter

[Richard Ferch]

The P3 is not the only possibility. There are ways to use an SDR at the
radio site and relay the spectrum information to a display at the control
site. Some of these ways have the advantage of being integrated with the
radio control software (e.g. the N1MM+ spectrum display window).

73,
Rich VE3KI



G3UNA wrote:

Am I correct in thinking that the P3 is the only way to obtain a *remote*
panadapter with the K3S?  ie this cannot be done with some other sdr
combination as has been suggested for home operation?
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[Elecraft] P3 *remote* panadapter

[David Cutter via Elecraft]

Am I correct in thinking that the P3 is the only way to obtain a *remote*
panadapter with the K3S?  ie this cannot be done with some other sdr
combination as has been suggested for home operation?

 

David G3UNA

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[Elecraft] P3: Macro trigger question...

[Dave Cole (NK7Z)]

Bump...

Hi,

I am working with a friend to assist him in getting his K3S/P3 set up 
for macros...  I was attempting to input a macro trigger character, 
using the Function keys F1-12 as the triggers.  F1-F8 work fine as 
triggers, it appears that his K3S/P3, both running current software, 
does not accept F9-F12 as a trigger keys.  The P3 simply ignores those 
characters while in MACRO MODE and inputing a macro and its trigger...


My K3, (NON S), and P3, (both with current software), take those 
characters.  Is there something different with the K3S/P3 that might 
cause this?


--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net

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[Elecraft] P3: Macro trigger question...

[Dave Cole (NK7Z)]

Hi,

I am working with a friend to assist him in getting his K3S/P3 set up 
for macros...  I was attempting to input a macro trigger character, 
using the Function keys F1-12 as the triggers.  F1-F8 work fine as 
triggers, it appears that his K3S/P3, both running current software, 
does not accept F9-F12 as a trigger keys.  The P3 simply ignores those 
characters while in MACRO MODE and inputing a macro and its trigger...


My K3, (NON S), and P3, (both with current software), take those 
characters.  Is there something different with the K3S/P3 that might 
cause this?


--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net
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[Elecraft] P3 issue solved

[eric norris via Elecraft]

It appears that I got a defective cable from Elecraft.  There's a first time 
for everything.  I was using the single cable from the P3 to the K3S.  When I 
swapped it for the double connected P3 to K3S cable, it worked.
This after an hour of reloading firmware, plugging and unplugging...and finally 
rereading the P3 manual troubleshooting section.  You'd think after 22 years of 
being a tech writer, RTFM would have been the first step.
Thanks to those who replied.
73 Eric WD6DBM

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[Elecraft] P3 help needed

[eric norris via Elecraft]

I disconnected my P3 #24x from K3 #2545, and connected it to K3S #11xxx, using 
a bnc cable, and the elecraft cable that goes from the TRANSCEIVER jack on the 
p3, to the ethernet jack on the  K3S.  All firmware is the latest.  The K3S is 
connected to the PC via the K3S USB port.
The P3 worked fine with the K3.
Now, with the K3 S, it is showing the frequency of signals LOW, outside the 
green passband.even.  It won't show where VFO B is anymore, and when I set mrkr 
a or mrkr b, they are also off frequency.
What am I doing wrong?
Please reply direct--I'm in Digest mode, and need to fix this ASAP.
THANK YOU ES
73 Eric WD6DBM

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[Elecraft] P3 has been sold

[Mike Weir]

The P3 has been sold. 
Mike 
VE3WDM 

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Re: [Elecraft] P3: Left span limit changes

[Bill Johnson]

6M open in Midwest to south.

73,
Bill
K9YEQ

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Re: [Elecraft] P3: Left span limit changes

[Bill Mader]

-- 
73, Bill, K8TE

Message: 13
Date: Mon, 11 Jun 2018 11:03:14 -0700 (MST)
From: n6hz 
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3: Left span limit changes
Message-ID: <1528740194456-0.p...@n2.nabble.com>
Content-Type: text/plain; charset=us-ascii

Hi Bill,

Currently the P3 stores span and reference level based on band, but not
mode.  It would get pretty complicated to add mode into the mix.  I know
quite a few customers have had great results with the Genovation keyboard
and setting up macros to do this.  The next BETA release of P3/SVGA firmware
will include the ability to export/import macros from/to the SVGA just like
the PX3.

73,

Paul
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Re: [Elecraft] P3: Left span limit changes

[Bob Wilson, N6TV]

 Having the P3 remember the last-used span *and center frequency* on each
band across power cycles when the P3 is in Fixed mode will be a big
improvement, even if the P3 ignores the operating mode.  The K3 remembers
the last-used frequency and mode on each band, so the two devices will
(more or less) stay in sync. if this is provided.

But I think it would be beter that time and the limited memory of the P3 be
devoted instead to implementing the *often-requested USB mouse support*, so
one can just point and click and fine tune the P3 and VFO with a mouse,
like all other SDRs can currently do.  Left click sets VFO A, right click
sets VFO B, mouse wheel fine tunes the last click.  Intuitive and fast.
This would be so MUCH faster and easier than trying to use the tiny P3 knob
and P3 cursors.

Regarding macros, given the current P3 command set, one would need far too
many P3 macros to set the scope edges of the P3 appropriately for every
combination of band and mode, so this will be of limited value unless you
only operate on a few bands and modes.  But being able to run macros from
the P3 buttons would be useful for other purposes.

P3 Center Mode is of such limited value that I hope the P3 does NOT switch
to Center Mode whenever I switch bands.  Fixed Mode "HALF" has worked
really well for me, since only the VFO cursors move, instead of the entire
band.  This should have been the P3 default, IMHO.  But, this only works
well after you have set up the P3's band edges.  I've published Win-Test
scripts to automated this.

The Win-Test scripts control the P3 scope settings via simple text commands
in the logging program.  They can also be assigned to function keys.  The
scripts have knowledge of both the top and bottom frequency limits of every
phone and CW sub-band, so they can intelligently set appropriate edges
after reading the frequency of VFO A.  You cannot do this in a K3 or P3
macro, because a macro cannot "read" the K3 frequency then do any math or
complex logic on the returned value.

To use the scripts from Win-Test, all you have to do is type SPAN60
[Enter], say, and the left and right edges of the scope are set to
appropriate values, based on the current frequency and mode, e.g. 7.000 to
7.060 if VFO A was on 7.040 CW, or 7.125-7.185 if VFO A was on 7.130 LSB
(USA phone sub-band starts at 7.125).

See https://bit.ly/wtscripts and download P3scripts.zip (incluces source
code).  I am encouraging others to copy the same logic into their own
logging software like N1MM+.

In the mean time, since there's a free version of Win-Test, and since it
can happily share access to the K3's serial port via OmniRig, you could use
Win-Test only for setting the P3 scope edges, while using any other
software like Writelog, WSJT-X, or HDSDR, software that supports OmniRig.
N1MM+ and HRD cannot (and will not) support OmniRig, so they cannot be used
at the same time as Win-Test, except via VSPE, COM0COM, ELTIMA or similar,
but then proper interleaving of K3/P3 commands from multiple programs
simultaneously may not be guaranteed.

The free version of Win-Test is at http://download.win-test.com/v4/freeware/
.  OmniRig may be downloaded from http://dxatlas.com/Download.asp.  To get
the most recent rig definition updates, be sure to download and extract the
"INI files for OmniRig" to the "Rigs" sub-folder after installing OmniRig.

I'll be happy to help anyone get Win-Test going with my P3 scripts, if you
cannot figure out how to do it (hint:  set radio type in Win-Test Interface
Configuration to OmniRig, and read the Readme file inside P3scripts.zip).
Contact me off list if you need help.

73,
Bob, N6TV

On Mon, Jun 11, 2018 at 11:03 AM, n6hz  wrote:

> Hi Bill,
>
> Currently the P3 stores span and reference level based on band, but not
> mode.  It would get pretty complicated to add mode into the mix.  I know
> quite a few customers have had great results with the Genovation keyboard
> and setting up macros to do this.  The next BETA release of P3/SVGA
> firmware
> will include the ability to export/import macros from/to the SVGA just like
> the PX3.
>
> 73,
>
> Paul
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Re: [Elecraft] P3: Left span limit changes

[n6hz]

Hi Bill, 

Currently the P3 stores span and reference level based on band, but not
mode.  It would get pretty complicated to add mode into the mix.  I know
quite a few customers have had great results with the Genovation keyboard
and setting up macros to do this.  The next BETA release of P3/SVGA firmware
will include the ability to export/import macros from/to the SVGA just like
the PX3. 

73, 

Paul



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Re: [Elecraft] P3: Left span limit changes

[K8TE]

Yes Skip, I too wish the P3 settings would remain with each band and mode. 
In contests like the IARU HF Championship, ARRL 10m, etc. where both modes
are allowed, keeping appropriate bandwidth settings and the RX bandpass
locations on the P3 would be very helpful!

Yes, we can use a K-Pod or Genovation keyboard to do a lot, but I would
rather keep what settings currently exist and change them only when I want
to do so.  I guess the first question is:  is there enough memory in the P3
to do this.  If so, where is something like this in the firmware improvement
plan.  If not, how difficult is it to upgrade the firmware memory size to
accomplish this?

In the meantime, I rarely run my K3 without the P3, even when I operate
portable, like the upcoming Field Day.  In the shack I use an SVGA monitor
connected to the P3.  I plan to replace it with a PIP monitor so I can
switch from P3-1 to P3-2 in SO2R configuration.  I often take P3 screenshots
for stations with broad signals and to use in presentations.  Combining the
P3 with the KRX3 makes for a winning combination in many circumstances!

73, Bill, K8TE
www.dukecityhamfest.org



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Re: [Elecraft] P3: Left span limit changes

[n6hz]

Hi Fred, 

Thanks for the report, I've added this to my bug list.  

73, 

Paul





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Re: [Elecraft] P3: Left span limit changes

[Fred Jensen]

I got two replies, one off-list, that they can replicate this effect.  
Study of the manual did not answer the question ... or provide a fix ... 
but I'm acutely aware that words that someone writes and that are 
crystal clear to them may [and often are] not nearly that clear to me. [:-)


If there's a fix in the works from Elecraft:  My preference would be to 
maintain the CENTER setting when switching bands.  This does get a 
little complex as a result of the 4 possible choices in MENU-->FixMode 
... I run my P3 in FullSpan mode and that would be fairly simple -- if 
VFO-B is changed such that tapping A/B would put the cursor off-screen, 
just shift the screen an integral number of spans to get it on-screen.  
HalfSpan, Slide, and Static modes are more problematical.


In the meantime, I will live with the current behavior.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 6/9/2018 5:55 PM, Nolan Kienitz wrote:

Skip,

I can replicate your scenario and my K3 does the same thing. When I first
read it I was thinking a CW offset shift, but I'm sure that was a
pipe-dream.

You noted your left edge is at:  14020.000 ... mine (with a span of 20) is
at: 14018.000.  That is the only difference, but again I experienced the
same thing.

Was hoping to help provide a clue, but am not able to do so.  Sorry.

73 - Nolan Kienitz
KI5IO
Plano, TX



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Re: [Elecraft] P3: Left span limit changes

[Nolan Kienitz]

Skip,

I can replicate your scenario and my K3 does the same thing. When I first
read it I was thinking a CW offset shift, but I'm sure that was a
pipe-dream.

You noted your left edge is at:  14020.000 ... mine (with a span of 20) is
at: 14018.000.  That is the only difference, but again I experienced the
same thing.

Was hoping to help provide a clue, but am not able to do so.  Sorry.

73 - Nolan Kienitz
KI5IO
Plano, TX



-
73  -  Nolan Kienitz,  KI5IO
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[Elecraft] P3: Left span limit changes

[Fred Jensen]

1. Serial path is PC-->P3-->K3

2. VFO-A is on 14028.000 CW

3. VFO-B is on 14300.000 SSB

4. P3 is in fixed-tune mode [cursor moves, screen edges remain at fixed 
frequencies as I tune], SPAN=20 KHz, left edge is 14020.000


5. Tap A/B

6. K3 goes to 14300.000 SSB, left edge of P3 is 14300.000, span is still 
20 KHz. So far, so good


7. Tap A/B again

8. Radio goes back to 14028.000 CW, span is still 20 KHz, but left edge 
is now 14025.000 [instead of 14020.000 that it was].


Why does the P3 span shift up 5 KHz after switching VFO's?

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

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Re: [Elecraft] P3 problem

[Keith Onishi]

Congratulations to have found the cause.
If signal level on P3 screen becomes unstable while the BNC cable is completely 
plugged in at both sides, check the cable itself.
My case was that the signal level was unstable and sometimes went very low. I 
had thought that K3 or P3 circuit was in trouble but found that connection 
inside one end of BNC cable connector was unstable. Replacing the cable 
completely fix the problem.

73 de JH3SIF, Keith

> 2018/05/27 7:00、Doug Eaton via Elecraft のメール:
> 
> Thanks to all who replied so quickly.  The BNC cable wasn't completely 
> plugged-in at one end.  Sometimes it's humbling being human!  
> 73, Doug  N7QS
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[Elecraft] P3 problem

[Doug Eaton via Elecraft]

Thanks to all who replied so quickly.  The BNC cable wasn't completely 
plugged-in at one end.  Sometimes it's humbling being human!  
73, Doug  N7QS
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Re: [Elecraft] P3 problem...

[Dale Boresz]

Hello Doug,

My guess would be that the cable that should connect the P3 "RF IN" BNC to
the K3 "IF OUT" BNC is either not fully-engaged on both ends, or is
defective.

73,

Dale - WA8SRA


On Sat, May 26, 2018 at 4:52 PM, Doug Eaton via Elecraft <
elecraft@mailman.qth.net> wrote:

> Hello Elecrafters.  I recently moved my station to a different room.
> After setting everything up in the new location, everything works normally
> except for the P3..  The P3 turns on and boots-up normally, but there are
> no signals on the display.  The frequency of the K3 is displayed correctly
> on the top center of the display, so it seems that the cable is hooked-up
> correctly, but the only signals on the display are random noise on the
> bottom of the display at a level below S1.  It doesn't change even if I
> turn the antenna switch to a dummy load, or even shut the K3 off.  I live
> in town, and the local noise level is normally S9 or so on the lower bands,
> but nothing shows on the display on any band, even though the K3 is
> picking-up signals.  Any ideas?  Thanks es 73 de Doug  N7QS.
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Re: [Elecraft] P3 problem...

[Michael Blake]

Did you plug the BNC IF cable back in?

Michael Blake
k9...@mac.com 






> On May 26, 2018, at 4:52 PM, Doug Eaton via Elecraft 
>  wrote:
> 
> Hello Elecrafters.  I recently moved my station to a different room.  After 
> setting everything up in the new location, everything works normally except 
> for the P3..  The P3 turns on and boots-up normally, but there are no signals 
> on the display.  The frequency of the K3 is displayed correctly on the top 
> center of the display, so it seems that the cable is hooked-up correctly, but 
> the only signals on the display are random noise on the bottom of the display 
> at a level below S1.  It doesn't change even if I turn the antenna switch to 
> a dummy load, or even shut the K3 off.  I live in town, and the local noise 
> level is normally S9 or so on the lower bands, but nothing shows on the 
> display on any band, even though the K3 is picking-up signals.  Any ideas?  
> Thanks es 73 de Doug  N7QS.  
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Re: [Elecraft] P3 problem...

[Grant Youngman]

Check your coax connection for the IF input.  If you have another one, try 
another jumper.

Grant NQ5T
K3 #2091, KX3 #8342

> On May 26, 2018, at 4:52 PM, Doug Eaton via Elecraft 
>  wrote:
> 
> Hello Elecrafters.  I recently moved my station to a different room.  After 
> setting everything up in the new location, everything works normally except 
> for the P3..  The P3 turns on and boots-up normally, but there are no signals 
> on the display.  The frequency of the K3 is displayed correctly on the top 
> center of the display, so it seems that the cable is hooked-up correctly, but 
> the only signals on the display are random noise on the bottom of the display 
> at a level below S1.  It doesn't change even if I turn the antenna switch to 
> a dummy load, or even shut the K3 off.  I live in town, and the local noise 
> level is normally S9 or so on the lower bands, but nothing shows on the 
> display on any band, even though the K3 is picking-up signals.  Any ideas?  
> Thanks es 73 de Doug  N7QS.  
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[Elecraft] P3 problem...

[Doug Eaton via Elecraft]

Hello Elecrafters.  I recently moved my station to a different room.  After 
setting everything up in the new location, everything works normally except for 
the P3..  The P3 turns on and boots-up normally, but there are no signals on 
the display.  The frequency of the K3 is displayed correctly on the top center 
of the display, so it seems that the cable is hooked-up correctly, but the only 
signals on the display are random noise on the bottom of the display at a level 
below S1.  It doesn't change even if I turn the antenna switch to a dummy load, 
or even shut the K3 off.  I live in town, and the local noise level is normally 
S9 or so on the lower bands, but nothing shows on the display on any band, even 
though the K3 is picking-up signals.  Any ideas?  Thanks es 73 de Doug  N7QS.  
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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Mark Wheeler]

Don,

Problem corrected. The K3S was set to the wrong baud rate.

Thanks!
Mark
WU6R 

Sent from my iPad

> On May 24, 2018, at 12:57 AM, Don Wilhelm  wrote:
> 
> Mark,
> 
> Using the cabling shown on page 6 of the P3 manual, you must connect the 
> computer to the P3 with an RS-232 cable or USB to serial adapter (not the K3S 
> USB cable).
> Also set the K3 menu RS-232 parameter to 38400 and NOT USB.
> Be certain the P3 is also set to 38400 baud.
> 
> Again, pull the boot on the RJ-45 dongle back and push on the metal part of 
> the plug to make certain it is fully seated.
> 
> If you switch to the K3S to computer USB cable, you must use the CBLP3Y cable 
> between the K3S and the P3 as shown on page 5 of the P3 manual.
> 
> 73,
> Don W3FPR
> 
>> On 5/23/2018 9:05 PM, Mark Wheeler wrote:
>> Don,
>> 
>> I have everything setup as shown on page 6 of the P3 manual. I am using the 
>> serial cable with the RJ-45 jack.  All connections appear tight. I am 
>> wondering if there are any setting on the K3S that need to be checked or 
>> set. Both the K3S and P 3 are brand new. The K3S is loaded with all 
>> available options except the 2 meter band option.
>> 
>> Thanks,
>> Mark
>> WU6R
>> 
> 
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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Don Wilhelm]

Mark,

Using the cabling shown on page 6 of the P3 manual, you must connect the 
computer to the P3 with an RS-232 cable or USB to serial adapter (not 
the K3S USB cable).

Also set the K3 menu RS-232 parameter to 38400 and NOT USB.
Be certain the P3 is also set to 38400 baud.

Again, pull the boot on the RJ-45 dongle back and push on the metal part 
of the plug to make certain it is fully seated.


If you switch to the K3S to computer USB cable, you must use the CBLP3Y 
cable between the K3S and the P3 as shown on page 5 of the P3 manual.


73,
Don W3FPR

On 5/23/2018 9:05 PM, Mark Wheeler wrote:

Don,

I have everything setup as shown on page 6 of the P3 manual. I am using the 
serial cable with the RJ-45 jack.  All connections appear tight. I am wondering 
if there are any setting on the K3S that need to be checked or set. Both the 
K3S and P 3 are brand new. The K3S is loaded with all available options except 
the 2 meter band option.

Thanks,
Mark
WU6R



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Re: [Elecraft] P3: How to Get Frequency on top center of P3 (Mark Wheeler)

[Grant Youngman]

Have you tried doing a P3 reset as described on page 45 of the manual?  If that 
doesn’t work, I’d suspect the control cable from the K3S data connector to the 
P3 first.  Of course, there could be some other hardware problem in either box.

Elecraft support can probably walk you through troubleshooting.

Grant NQ5T
K3 #2091, KX3 #8342

> On May 23, 2018, at 9:14 PM, Mark Wheeler  wrote:
> 
> Both the P3 and K3S are brand new.  I have made all connections per page 6 of 
> the P3 owners manual. The K3S has all options installed except the 2 meter 
> band option.  I have confirmed all connectors are tight and I still do not 
> have the frequency at the top, or any of the other missing P3 
> options/functions available.
> 
> Are there any K3S settings that I need to confirm?  Any other ideas of why 
> this is not working?
> 
> Thanks.
> Mark
> WU6R 
> 
> 
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Re: [Elecraft] P3: How to Get Frequency on top center of P3 (Mark Wheeler)

[Mark Wheeler]

Both the P3 and K3S are brand new.  I have made all connections per page 6 of 
the P3 owners manual. The K3S has all options installed except the 2 meter band 
option.  I have confirmed all connectors are tight and I still do not have the 
frequency at the top, or any of the other missing P3 options/functions 
available.

Are there any K3S settings that I need to confirm?  Any other ideas of why this 
is not working?

Thanks.
Mark
WU6R 


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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Mark Wheeler]

Don,

I have everything setup as shown on page 6 of the P3 manual. I am using the 
serial cable with the RJ-45 jack.  All connections appear tight. I am wondering 
if there are any setting on the K3S that need to be checked or set. Both the 
K3S and P 3 are brand new. The K3S is loaded with all available options except 
the 2 meter band option.

Thanks,
Mark
WU6R 

> On May 23, 2018, at 1:37 PM, Don Wilhelm  wrote:
> 
> Mark,
> 
> Are you using the USB cable to connect the K3S to the computer?  If so, do 
> you have the CBLP3Y cable connected between the K3S RJ-45 jack and the P3 
> RS-232 connectors?  If you do have that cable, make certain the RJ-45 plug is 
> fully inserted.  You may have to pull back the cover and push the metal part 
> of the plug in completely - it must snap in.
> 
> If you do not have the CBLP3Y cable, you can use the RJ-45 to RS-232 cable 
> that comes with the K3S to connect to the P3, but you must set the K3S menu 
> to RS-232 rather than USB (use 38400 baud).  Connect to the PC from the 
> RS-232 connector on the P3.
> 
> 73,
> Don W3FPR
> 
>> On 5/22/2018 5:35 PM, Mark Wheeler wrote:
>> I am using the P3 with a K3S and cannot figure out how to get the VFO A 
>> frequency to appear at the top center of the P3. (My P3 is showing a “0” at 
>> the top center.)
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Re: [Elecraft] P3 SVGA - measuring occupied bandwidth

[Jim Brown]

On 5/23/2018 6:47 AM, Joe Subich, W4TV wrote:

The greater difficulty is in measuring the occupied bandwidth of very
narrow modes (e.g. JT65, JT9, FT8, RTTY or even CW) due to the 2 KHz
minimum span of the P3 ... a 500 Hz span would be better for measuring
narrow modes. 


Not so difficult at all, using the methods I outlined in a previous 
post. I have successfully used it on RTTY, CW, PSK31 an a steady 
carrier. Most of that data is summarized in this Power Point pdf. Most 
of these data are from the SVGA.


http://k9yc.com/P3_Spectrum_Measurements.pdf

Note -- TXEQ in my K3s are set maximum rolloff of the 50, 100, and 200 
Hz octave bands and some rolloff of the 400 Hz band. This accounts for 
the difference in the shape of the top of the curve between my K3s and 
other rigs tested.


73, Jim K9YC


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Re: [Elecraft] P3 SVGA - measuring occupied bandwidth

[Jim Brown]

On 5/23/2018 12:54 AM, Richard Lamont wrote:

Jim - in this context, are you using the definition of "occupied
bandwidth" as in ITU RR 1.153, i.e. 99% mean power? If so, how do you do
that with the P3 SVGA?


For CW, I transmit a long series of dits, put the P3 in peak mode, and 
accumulate peaks. When the display stops changing, I freeze it, use the 
cursor to manually log enough points to define the curve on both sides 
of the carrier, starting at -20dB carrier and every 5 dB until the data 
falls off screen. I then save the screen to a file.


I've done essentially the same thing with RTTY and PSK.  For SSB, my 
test signal is bandwidth limited Pink Noise. Pink Noise is widely used 
as an audio test signal because both spectral balance and dynamics are a 
good first approximation of speech. Pink Noise is defined as equal power 
per percentage bandwidth, whereas white noise is equal voltage per Hz. 
Pink noise can be though of as white noise with a 3dB per octave 
rolloff. That's not easy to generate -- an RC rolloff is 6 dB/octave.


And this important comment. NC0B uses White Noise as a source. This is 
VERY BAD practice, because it puts nearly all of the modulation above 
the voice spectrum, and greatly de-emphasizes speech. I've corrected him 
on this three times, first as long as five years ago, yet he continues 
to do it wrong. The importance of this is that GOOD audio processing is 
designed for the spectrum and dynamics of speech, so any audio test 
signal should approximate speech as closely as possible. Rob is a great 
engineer and does ham radio a great service with his testing, but he 
fails to even attempt to understand the difference between RF and audio.


As to my credentials to say this -- I spent 40 years in pro audio, with 
much of my work directed to sound systems for both speech 
intelligibility and music. For 20 years, I've been a member of the AES 
Standards Committee, and of Working Groups on Speech Intellibility. 
About ten years ago, I was elected a Fellow of the AES.


73, Jim K9YC

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[Elecraft] P3 SVGA schematics and usb port

[Jim Shepherd]

Hi,
   The SVGA schematics were missing at
http://www.elecraft.com/manual/P3_svga_D_sch.pdf...
I was trying to see if the 5 Vdc was available at the keyboard port to
drive a SVGA to HDMI converter or if it needed to be turned on in software.
I could not find this information in the manual.

Other than not having power, plugging the video adapter in did not seem to
affect the operation of the P3, and when I plugged the adapter into a USB
power adapter, I got the full display on the monitor.  I'm looking at using
a split screen at an upcoming special event...

Jim W6US
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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Fred Jensen]

As I said before, you have to have the serial connection between the P3 
and K3 functioning for fixed tune to work.  It has nothing to do with 
the BNC jumper from the 1st IF out.  If that's bad, the P3 screen will 
flat-line.


I have an A-B data switch in my serial cable.  When operating locally, 
the connection is PC --> P3 --> K3, and fixed tune works fine.  When 
operating remote to W7RN, the switch moves the K3 serial port to the 
RemoteRig RRC-1258, and the P3 is removed from the serial path.  It then 
shows "0" at the top center, and +/-10 at the edges [span is set to 20 
KHz], and of course, the cursor does not move when I tune.


The P3 is still on, looking at the 1st IF signal from my local K3 at 8 
MHz, and the K3 receiver, up to the first IF out, is still functioning 
on whatever band/frequency I was last on locally.  I can put the K3 on 
14030, go to the remote and transmit on 14030 and I will see myself from 
W7RN on the P3, and I can see the stronger signals around that 
frequency.  My local antenna is an HOA-compromise, and I don't see 
nearly as many as I can hear on the remote where the coefficient of 
aerial aluminum is very high, however.


I really miss the P3 when operating remote.  A K4 seems to be at the top 
[or perhaps the only thing] on everyone's list.  That may or may not 
exist, now or ever.  If Elecraft is looking for a new project, how about 
an accessory for the host station that will put the P3 and it's controls 
onto a 2-way TCP/IP stream and an accessory for the control station P3 
that will take that stream and pretend it's actually connected to the 
1st IF out in Virginia City Highlands.


Now, before everyone positions the mouse over "Reply to List" to tell me 
that there are products on the market that will stream the P3 video down 
to my PC, save the BW, I already know that.  There are controls on my 
local P3 which also need to work for the P3 to be useful.  And, I'm 
fairly addicted to Elecraft's definition of "system integration."  Come 
up with an "Elecraft-solution" to this and I'll buy S/N 1 for the 
station and myself.


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 5/23/2018 10:02 AM, Nr4c wrote:

Check BNC cable.

Sent from my iPhone
...nr4c. bill



On May 22, 2018, at 5:35 PM, Mark Wheeler  wrote:

I am using the P3 with a K3S and cannot figure out how to get the VFO A 
frequency to appear at the top center of the P3. (My P3 is showing a “0” at the 
top center.)

Thanks,
Mark Wheeler
WU6R



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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Don Wilhelm]

Mark,

Are you using the USB cable to connect the K3S to the computer?  If so, 
do you have the CBLP3Y cable connected between the K3S RJ-45 jack and 
the P3 RS-232 connectors?  If you do have that cable, make certain the 
RJ-45 plug is fully inserted.  You may have to pull back the cover and 
push the metal part of the plug in completely - it must snap in.


If you do not have the CBLP3Y cable, you can use the RJ-45 to RS-232 
cable that comes with the K3S to connect to the P3, but you must set the 
K3S menu to RS-232 rather than USB (use 38400 baud).  Connect to the PC 
from the RS-232 connector on the P3.


73,
Don W3FPR

On 5/22/2018 5:35 PM, Mark Wheeler wrote:

I am using the P3 with a K3S and cannot figure out how to get the VFO A 
frequency to appear at the top center of the P3. (My P3 is showing a “0” at the 
top center.)

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Re: [Elecraft] P3: How to Get Frequency on top center of P3

[Nr4c]

Check BNC cable. 

Sent from my iPhone
...nr4c. bill


> On May 22, 2018, at 5:35 PM, Mark Wheeler  wrote:
> 
> I am using the P3 with a K3S and cannot figure out how to get the VFO A 
> frequency to appear at the top center of the P3. (My P3 is showing a “0” at 
> the top center.)
> 
> Thanks,
> Mark Wheeler
> WU6R
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Re: [Elecraft] P3 SVGA - measuring occupied bandwidth

[Joe Subich, W4TV]

On 2018-05-23 3:54 AM, Richard Lamont wrote:
>
Jim - in this context, are you using the definition of "occupied 
bandwidth" as in ITU RR 1.153, i.e. 99% mean power? If so, how do you

do that with the P3 SVGA?


Whilst it's not completely accurate, it is very easy to approximate
the "occupied bandwidth" of reasonably strong signals using the P3.
Set average to maximum and look at the points 20 dB down on either
side.  This will over estimate the bandwidth of a signal depending
on the peak to average ratio of the given modulation (e.g., level of
clipping of an SSB signal) but still provides a useful first order
approximation.

The greater difficulty is in measuring the occupied bandwidth of very
narrow modes (e.g. JT65, JT9, FT8, RTTY or even CW) due to the 2 KHz
minimum span of the P3 ... a 500 Hz span would be better for measuring
narrow modes.

73,

   ... Joe, W4TV


On 2018-05-23 3:54 AM, Richard Lamont wrote:

On 22/05/18 19:57, Jim Brown wrote:


Yes. AND in the hands of a knowledgeable engineer/technician, a near
lab-quality test instrument, with a display that can easily be
calibrated to the signal level at the antenna input. I've used it to
measure occupied bandwidth of transmitted signals to precision of a few
Hz, and the SVGA board, with it's separate, higher res FFT, improves
that to one Hz.


Jim - in this context, are you using the definition of "occupied
bandwidth" as in ITU RR 1.153, i.e. 99% mean power? If so, how do you do
that with the P3 SVGA?

73,

Richard G4DYA

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[Elecraft] P3 SVGA - measuring occupied bandwidth

[Richard Lamont]

On 22/05/18 19:57, Jim Brown wrote:

> Yes. AND in the hands of a knowledgeable engineer/technician, a near
> lab-quality test instrument, with a display that can easily be
> calibrated to the signal level at the antenna input. I've used it to
> measure occupied bandwidth of transmitted signals to precision of a few
> Hz, and the SVGA board, with it's separate, higher res FFT, improves
> that to one Hz.

Jim - in this context, are you using the definition of "occupied
bandwidth" as in ITU RR 1.153, i.e. 99% mean power? If so, how do you do
that with the P3 SVGA?

73,

Richard G4DYA

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[Elecraft] P3: How to save Span setting in function keys?

[Mark Wheeler]

How do I save Span 20, Span 40, Span 80, etc, in the P3 function keys?

Thanks,
Mark Wheeler
WU6R

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[Elecraft] P3: How to Get Frequency on top center of P3

[Mark Wheeler]

I am using the P3 with a K3S and cannot figure out how to get the VFO A 
frequency to appear at the top center of the P3. (My P3 is showing a “0” at the 
top center.)

Thanks,
Mark Wheeler
WU6R
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Re: [Elecraft] P3 display versus FlexRadio

[Vic Rosenthal]

This is what I do. Then I read the noise level in dBm from the screen. Very 
useful to compare noise levels at different times, etc.

But what I would like is a menu command that could be assigned to one of the 
function keys to automatically compute the average noise level and then adjust 
the ref level.

There would have to be an adjustment for an offset from the average, so you 
could set it up once to look the way you like it.

Then you could just tap the key whenever you want to readjust the ref level, 
and it would alway look the same.

Vic 4X6GP 

> On 13 May 2018, at 5:43, Wayne Burdick  wrote:
> 
> Hi Jim,
> 
> They may be automatically calculating a long-term-average noise floor, then 
> subtracting it from the waterfall. The P3 could do the same thing. But 
> automatic noise subtraction would have the same disadvantage as slow AGC: a 
> temporary rise in the noise floor would mask weak signals for the duration of 
> the averaging time constant.
> 
> You can achieve the same thing manually, without the averaging issue. Simply 
> adjust the REF level such that the noise floor is just at or slightly below 
> the line. The waterfall will then be nearly invisible except for signals and 
> higher noise peaks.
> 
> Wayne
> N6KR
> 
> 
> 
> http://www.elecraft.com
> 
>> On May 12, 2018, at 5:54 PM, Jim N7US  wrote:
>> 
>> I saw a demo last night of the FlexRadio bandscope.  It showed the noise
>> well above, on the Y-axis, the bottom of the display, but the waterfall
>> didn't show the noise, just the signals on the band.  
>> 
>> 
>> 
>> When I set the REL LVL on my P3 so the noise floor is below the noise, the
>> waterfall is blue from the noise, making it difficult to see the signals.
>> 
>> 
>> 
>> Can someone enlighten me as to why the displays are so different?
>> 
>> 
>> 
>> 73, Jim N7US
>> 
>> 
>> 
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Re: [Elecraft] P3 display versus FlexRadio

[Jim Brown]

Hi Martin,

I have a somewhat different solution to your problem, and it consists of 
multiple parts.


First, I set averaging to maximum (I set it years ago, don't ask me 
numbers). :)


Second, I set Scale to 24 dB when I'm not contesting, 32 dB for 100W 
contests, 42 dB for high power contests.


Third, I set reference level so that the noise level as at the bottom of 
the amplitude display , which causes the waterfall to be black where 
there are no signals.


Fourth, I set Tracking Mode ON, so that when I tune, the signals on the 
band stay put as I tune across them. Without this setting, Averaging 
would reset every time the changes frequency.


A major benefit of averaging is that it causes random noise to cancel 
itself out, leaving only signals (and noise that is NOT random). Now, 
both the amplitude display and the waterfall will show only real signals 
plus noise that's more or less stable in frequency, like clocks from 
microprocessors, and "lumps" of noise which may drift a little or a lot. 
Those lumps are generated by power-handling devices like switch-mode 
power supplies and variable-speed motor controllers.


I don't use monochrome display, but I do see signals against a nearly 
black background.


73, Jim K9YC

On 5/12/2018 8:05 PM, Martin Sole wrote:
In the situation I have here where it is unusual to have any signals 
on any band at more than S7-8, nearest centre of any appreciable 
activity is several thousand miles away so mostly fairly weak signals, 
in this case I find having the waterfall in monochrome, spectrum 
display is still in colour, to be quite an advantage. It is quite 
possible to set an almost black waterfall with signals barely above 
the noise floor showing as grey marks, often much more discernible 
than anything on the spectrum display. 



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Re: [Elecraft] P3 display versus FlexRadio

[Martin Sole]

I'm not all that familiar with the Flex stuff but in some SDR software 
display systems it is possible to adjust the waterfall sensitivity and 
contrast independent of any spectrum bandscope position adjustment. It 
is often also possible to have any signal levels indicated by such 
displays bear no relationship to any accurate level.The P3 waterfall 
contrast changes with the reference level setting which in itself 
changes with the displayed bandwidth, seems appropriate. Scale will 
adjust the sensitivity I think.


In the situation I have here where it is unusual to have any signals on 
any band at more than S7-8, nearest centre of any appreciable activity 
is several thousand miles away so mostly fairly weak signals, in this 
case I find having the waterfall in monochrome, spectrum display is 
still in colour, to be quite an advantage. It is quite possible to set 
an almost black waterfall with signals barely above the noise floor 
showing as grey marks, often much more discernible than anything on the 
spectrum display.


Martin, HS0ZED


On 13/05/2018 07:54, Jim N7US wrote:

I saw a demo last night of the FlexRadio bandscope.  It showed the noise
well above, on the Y-axis, the bottom of the display, but the waterfall
didn't show the noise, just the signals on the band.

  


When I set the REL LVL on my P3 so the noise floor is below the noise, the
waterfall is blue from the noise, making it difficult to see the signals.

  


Can someone enlighten me as to why the displays are so different?

  


73, Jim N7US

  


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Re: [Elecraft] P3 display versus FlexRadio

[Wayne Burdick]

Hi Jim,

They may be automatically calculating a long-term-average noise floor, then 
subtracting it from the waterfall. The P3 could do the same thing. But 
automatic noise subtraction would have the same disadvantage as slow AGC: a 
temporary rise in the noise floor would mask weak signals for the duration of 
the averaging time constant.

You can achieve the same thing manually, without the averaging issue. Simply 
adjust the REF level such that the noise floor is just at or slightly below the 
line. The waterfall will then be nearly invisible except for signals and higher 
noise peaks.

Wayne
N6KR



http://www.elecraft.com

> On May 12, 2018, at 5:54 PM, Jim N7US  wrote:
> 
> I saw a demo last night of the FlexRadio bandscope.  It showed the noise
> well above, on the Y-axis, the bottom of the display, but the waterfall
> didn't show the noise, just the signals on the band.  
> 
> 
> 
> When I set the REL LVL on my P3 so the noise floor is below the noise, the
> waterfall is blue from the noise, making it difficult to see the signals.
> 
> 
> 
> Can someone enlighten me as to why the displays are so different?
> 
> 
> 
> 73, Jim N7US
> 
> 
> 
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[Elecraft] P3 display versus FlexRadio

[Jim N7US]

I saw a demo last night of the FlexRadio bandscope.  It showed the noise
well above, on the Y-axis, the bottom of the display, but the waterfall
didn't show the noise, just the signals on the band.  

 

When I set the REL LVL on my P3 so the noise floor is below the noise, the
waterfall is blue from the noise, making it difficult to see the signals.

 

Can someone enlighten me as to why the displays are so different?

 

73, Jim N7US

 

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Re: [Elecraft] P3 to video

[Jim Brown]

On 5/11/2018 2:01 PM, Michael Blake wrote:
 Both have switch mode power supplies and I have never been able to 
identify either as a source of noise on my Flex 5000, Flex 3000, FLEX 
6300, SunSDR2 Pro, Sun SDR2 NANO, QX1R, KX3 or K3s.


That doesn't mean that they're not noisy -- most of us are surrounded by 
dozens of noise sources that blend together and make any single source 
hard to hear. Your monitors could be noisy,  but the rest of the noise 
covers it up. Have you probed around them with a portable AM radio tuned 
to a clear spot near the high end of the AM broadcast band? I use a 
Kenwood TH-F6A talkie, which covers from below the AM band to nearly 1 GHz.


All of us can do ourselves a favor by implementing a "search and 
destroy" mission for RF noise sources. These two links provide a lot of 
practical advice on how to do it.

http://k9yc.com/KillingReceiveNoise.pdf
http://k9yc.com/KillingRXNoiseVisalia.pdf

73, Jim K9YC

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[Elecraft] P3 to video

[Richard Schmiedt]

I have two P3s feeding one Monitor through VGA KVM switch bought from Amazon.  
The switch is just a push button that I placed in a convenient spot.  On a tap, 
it switches the input to the monitor from one P3 to the other. 

Note: this set up also has a usb keyboard and mouse switch built in as well. So 
I can use one keyboard for FSK, PSK or CW between two K3/P3s.  

Rick
W4GE
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Re: [Elecraft] P3 to video

[Clay Autery]

Worse even is that MOST newer monitors now have INTERNAL power supplies.  They 
are switched, multi-voltage output, and almost impossible to hack
I was going to hack my monitors and put a linear dc supply before the 
transformer/regulators  no joy.  Only way to make the monitors DC  only in 
my case is to find the various voltage output rails and cut in individual DC 
supplies in and completely hack the existing PS circuitry out of the design 
 not at all a trivial exercise.
I will pick monitors better and have the DC supply plan in place for the next 
monitor go around  
Same frustration in trying to hack most laptop power supplies  18.5 vdc 
nominal, but with special circutry that cause the battery/laptop/charger to 
talk  no talk, and the PS won't charge the battery yadda yadda...
Best case scenario is to just power the laptop directly from battery pins...  
BUT you STILL have to then trick the laptop into recognizing the DC PS as a 
battery.
Dell won't even think about talking to me about the battery pinout and the 
power good logic.


Sent from my Verizon, Samsung Galaxy smartphone
 Original message From: Jim Brown <j...@audiosystemsgroup.com> 
Date: 5/11/18  15:44  (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: 
[Elecraft] P3 to video 
Great idea, Michael.  But with one important possible gotcha -- 
virtually all of the power supplies for monitors like this are 
switch-mode types, and almost all generate RF noise. Several years ago, 
we were lucky to identify several Samsung models that run on a nominal 
14VDC, and that work fine on the 12-14VDC that most of us have in our 
shacks (or on older linear 12V wall warts). Most newer models run at 
higher DC voltage, so to kill the noise they generate, we much find a 
suitable linear power supply for that voltage.

BTW -- someone gave me a Samsung with touch controls because it was an 
RFI nightmare -- the monitor itself generated lots of noise AND the 
display went nuts in the presence of RF.

73, Jim K9YC

On 5/11/2018 1:05 PM, Michael Blake wrote:
> Dennis, I use a Samsung display that has 2 HDMI inputs and allows the monitor 
> to display 2 inputs side by side.  You may even be able to find a monitor 
> with 2 VGA inputs that supports PIP.  VGA to HDMI convertor cables are 
> plentiful as well.
>
> The secret is a 2-input display that support PIP.  Mine is a current Samsung 
> 28” 4K display and I run the Mac on one side and the Windows 10 NUC on the 
> other,  Works well.


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Re: [Elecraft] P3 to video

[Michael Blake]

Jim, I have two Samsung monitors.  One is a 23” 1920x1080 with one VGA and one 
HDMI input and the other is the 28” 4K display with one Displayport and two 
HDMI inputs.  Both have switch mode power supplies and I have never been able 
to identify either as a source of noise on my Flex 5000, Flex 3000, FLEX 6300, 
SunSDR2 Pro, Sun SDR2 NANO, QX1R, KX3 or K3s.

I have been quite fortunate in this regard as they have both served me well.

Michael Blake
k9...@mac.com 






> On May 11, 2018, at 4:44 PM, Jim Brown  wrote:
> 
> Great idea, Michael.  But with one important possible gotcha -- virtually all 
> of the power supplies for monitors like this are switch-mode types, and 
> almost all generate RF noise. Several years ago, we were lucky to identify 
> several Samsung models that run on a nominal 14VDC, and that work fine on the 
> 12-14VDC that most of us have in our shacks (or on older linear 12V wall 
> warts). Most newer models run at higher DC voltage, so to kill the noise they 
> generate, we much find a suitable linear power supply for that voltage.
> 
> BTW -- someone gave me a Samsung with touch controls because it was an RFI 
> nightmare -- the monitor itself generated lots of noise AND the display went 
> nuts in the presence of RF.
> 
> 73, Jim K9YC
> 
> On 5/11/2018 1:05 PM, Michael Blake wrote:
>> Dennis, I use a Samsung display that has 2 HDMI inputs and allows the 
>> monitor to display 2 inputs side by side.  You may even be able to find a 
>> monitor with 2 VGA inputs that supports PIP.  VGA to HDMI convertor cables 
>> are plentiful as well.
>> 
>> The secret is a 2-input display that support PIP.  Mine is a current Samsung 
>> 28” 4K display and I run the Mac on one side and the Windows 10 NUC on the 
>> other,  Works well.
> 
> 
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Re: [Elecraft] P3 to video

[Jim Brown]

Great idea, Michael.  But with one important possible gotcha -- 
virtually all of the power supplies for monitors like this are 
switch-mode types, and almost all generate RF noise. Several years ago, 
we were lucky to identify several Samsung models that run on a nominal 
14VDC, and that work fine on the 12-14VDC that most of us have in our 
shacks (or on older linear 12V wall warts). Most newer models run at 
higher DC voltage, so to kill the noise they generate, we much find a 
suitable linear power supply for that voltage.


BTW -- someone gave me a Samsung with touch controls because it was an 
RFI nightmare -- the monitor itself generated lots of noise AND the 
display went nuts in the presence of RF.


73, Jim K9YC

On 5/11/2018 1:05 PM, Michael Blake wrote:

Dennis, I use a Samsung display that has 2 HDMI inputs and allows the monitor 
to display 2 inputs side by side.  You may even be able to find a monitor with 
2 VGA inputs that supports PIP.  VGA to HDMI convertor cables are plentiful as 
well.

The secret is a 2-input display that support PIP.  Mine is a current Samsung 
28” 4K display and I run the Mac on one side and the Windows 10 NUC on the 
other,  Works well.



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Re: [Elecraft] P3 to video

[Rob Neal]

Monitor consolidation gizmos:

http://www.networktechinc.com/multiviewer.html

A company I used to work for was happy with this vendor. I have no idea what 
their RFI footprint might be like, it wasn't a concern there.  

Rob Neal
ad...@clayburro.com


> On May 11, 2018, at 3:58 PM, Dennis L. Haarsager  wrote:
> 
> I've been using a P3 with my K3 with a video display for several years.
> I'm planning to purchase a K3S and would be willing to buy a second P3 if I
> could figure out a way to combine the output of the two P3s on one screen,
> either horizontally or vertically, for simultaneous viewing. Has anyone
> been successful in doing this? Not keen on having two VGA monitors plus my
> computer monitor due to limited desk space.
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Re: [Elecraft] P3 to video

[Michael Blake]

Dennis, I use a Samsung display that has 2 HDMI inputs and allows the monitor 
to display 2 inputs side by side.  You may even be able to find a monitor with 
2 VGA inputs that supports PIP.  VGA to HDMI convertor cables are plentiful as 
well.

The secret is a 2-input display that support PIP.  Mine is a current Samsung 
28” 4K display and I run the Mac on one side and the Windows 10 NUC on the 
other,  Works well.

Michael Blake
k9...@mac.com 






> On May 11, 2018, at 3:58 PM, Dennis L. Haarsager  wrote:
> 
> I've been using a P3 with my K3 with a video display for several years.
> I'm planning to purchase a K3S and would be willing to buy a second P3 if I
> could figure out a way to combine the output of the two P3s on one screen,
> either horizontally or vertically, for simultaneous viewing.  Has anyone
> been successful in doing this?  Not keen on having two VGA monitors plus my
> computer monitor due to limited desk space.
> 
> Thanks and 73,
> Dennis
> N7DH/1, Kittery Point, Maine
> MM/N7DH, Dollar, Scotland
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[Elecraft] P3 to video

[Dennis L. Haarsager]

I've been using a P3 with my K3 with a video display for several years.
I'm planning to purchase a K3S and would be willing to buy a second P3 if I
could figure out a way to combine the output of the two P3s on one screen,
either horizontally or vertically, for simultaneous viewing.  Has anyone
been successful in doing this?  Not keen on having two VGA monitors plus my
computer monitor due to limited desk space.

Thanks and 73,
Dennis
N7DH/1, Kittery Point, Maine
MM/N7DH, Dollar, Scotland
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Re: [Elecraft] P3 Waterfall

[Fred Jensen]

A button I never use ... that fixed it.  I must have bumped it while 
re-mounting the data switch on top. Thanks,


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County


On 4/10/2018 8:31 PM, Nr4c wrote:

Tap the upper right button.

Sent from my iPhone
...nr4c. bill



On Apr 10, 2018, at 10:14 PM, Fred Jensen  wrote:

My P3 waterfall disappeared when I turned the rig on tonight.  WF Height shows 
the line, and it moves with the knob, but no WF, just a very tall spectrum 
display.  No SVGA. I'll maybe reload the FW tomorrow.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

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Re: [Elecraft] P3 Waterfall

[Bob Wilson, N6TV]

I recently saw this happen on W6NV's P3 after upgrading the firmware from a
very old version to the most recent version in one jump, or perhaps I
accidentally removed power from the back of the P3 while it was on, while
simultaneously bumping one of the front panel buttons.  Reloading the
firmware and doing multiple power cycles did not fix it.

Instead, if you can get to the P3 menu, go to the RESET option and press
the knob.

Or, if the P3 Utility still talks to the P3, go to the command tester and
type:

#RST;

You may then find that the REF LEVEL is set way too high at 0 dB.   Adjust
REF LEVEL back down to about -120 dB and it should be back to normal.

73,
Bob, N6TV

On Tue, Apr 10, 2018 at 7:14 PM, Fred Jensen  wrote:

> My P3 waterfall disappeared when I turned the rig on tonight.  WF Height
> shows the line, and it moves with the knob, but no WF, just a very tall
> spectrum display.  No SVGA. I'll maybe reload the FW tomorrow.
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
>
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Re: [Elecraft] P3 Waterfall

[Nr4c]

Tap the upper right button. 

Sent from my iPhone
...nr4c. bill


> On Apr 10, 2018, at 10:14 PM, Fred Jensen  wrote:
> 
> My P3 waterfall disappeared when I turned the rig on tonight.  WF Height 
> shows the line, and it moves with the knob, but no WF, just a very tall 
> spectrum display.  No SVGA. I'll maybe reload the FW tomorrow.
> 
> 73,
> 
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
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[Elecraft] P3 Waterfall

[Fred Jensen]

My P3 waterfall disappeared when I turned the rig on tonight.  WF Height 
shows the line, and it moves with the knob, but no WF, just a very tall 
spectrum display.  No SVGA. I'll maybe reload the FW tomorrow.


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

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Re: [Elecraft] P3 vs LP-Pan / NaP3

[Tom-KQ5S]

Comparison from LP-Pan site.  I'm just the messenger. :-)

http://www.telepostinc.com/P3_comp.html

-
73,
Tom - KQ5S

On Sat, Mar 24, 2018 at 4:06 PM, Dick Dickinson 
wrote:

> I use a K3 along with a LP-Pan and a K3 and a Windows computer.  I consider
> myself to be a very casual operator.  I can't remember when I was last
> engaged in other than friendly SSB QSO operation.  NaP3 is usually in
> operation when my K3 is on.  I use no other accessory software for
> specialty
> operation nor even LP-Bridge.  I'll give a tip of the hat to my onboard
> (motherboard) computer audio system and input.
>
> I like NaP3 on my computer screen for a number of reasons.
> My usual multitasking focus is on my computer screen.I'm
> often engaged in other matters as I monitor the radio.
> I monitor general activity on what band I may be currently
> operating.sometimes seeking QSOs via 'point and click' rather than twirling
> the knob to traverse up and down the band.
> I observe the audio forms of stations that may have my
> attention for some reason and at times other, perhaps unidentified signals
> or noises in the spectrum.
> NaP3 gives me satisfactory control of my K3.
> The NaP3 window can be minimized or covered by another
> depending on activity, or easily found if need be.
> I operate it in an approximately 11" diagonal window which
> takes up about 21% of the area of my 24" monitor.  This leaves plenty of
> room for other activities.  I rarely use full screen mode for any of my
> computer activities including OTA TV viewing and streaming video material.
> I much prefer NaP3 over one or two other 'modular(?)' type
> programs I have tried that may have complicated setups and / or variations.
> NaP3 gives me what I need, at any size above about 10", where I need it and
> a single window (Setup excepted).
> The LP-Pan enclosure fits in well with a couple of other
> accessory boxes which are on a shelf a short ways above my K3.  It is
> turned
> on and off with the rig.  Rarely do I ever interact with the LP-Pan unit.
> The NaP3 window has selections to allow for some features
> to
> not be displayed.
> *I can think of nothing other than operator preference that
> would require a 2nd display for NaP3.
> The ability to view 192kHz of bandwidth is satisfactory for
> me, though I'm sure I could find use at times for more.  Often I run at
> about 50kHz of bandwidth in view.
>
> If one has a style of operation similar to mine, the LP-Pan and NaP3
> software may be a good fit.  Whether P3 or LP-Pan + software.either
> introduces new dimensions to amateur radio operation.
>
> Best,
> Dick - KA5KKT
>
> *I recently acquired a 7" monitor for rearview camera which is awaiting
> better weather for complete installation in my automobile.  I've made a CD
> slot insertable mount (kudos to WB4RVN) and the display is easily detached
> and removed via a screw knob.  The resolution is such that the NaP3 window
> should fit nicely on it.approaching 1:1.  I'll entertain suggestions of how
> I might get plain ol' video (RCA) out of my computer or what might be an
> appropriate adaptor.haven't gotten to looking as of yet.  I have VGA, HDMI
> and DVI(?) outputs, though the HDMI runs my customary display.
>
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[Elecraft] P3 vs LP-Pan / NaP3

[Dick Dickinson]

I use a K3 along with a LP-Pan and a K3 and a Windows computer.  I consider
myself to be a very casual operator.  I can't remember when I was last
engaged in other than friendly SSB QSO operation.  NaP3 is usually in
operation when my K3 is on.  I use no other accessory software for specialty
operation nor even LP-Bridge.  I'll give a tip of the hat to my onboard
(motherboard) computer audio system and input.

I like NaP3 on my computer screen for a number of reasons.  
My usual multitasking focus is on my computer screen.I'm
often engaged in other matters as I monitor the radio.
I monitor general activity on what band I may be currently
operating.sometimes seeking QSOs via 'point and click' rather than twirling
the knob to traverse up and down the band.
I observe the audio forms of stations that may have my
attention for some reason and at times other, perhaps unidentified signals
or noises in the spectrum.
NaP3 gives me satisfactory control of my K3.
The NaP3 window can be minimized or covered by another
depending on activity, or easily found if need be.
I operate it in an approximately 11" diagonal window which
takes up about 21% of the area of my 24" monitor.  This leaves plenty of
room for other activities.  I rarely use full screen mode for any of my
computer activities including OTA TV viewing and streaming video material.
I much prefer NaP3 over one or two other 'modular(?)' type
programs I have tried that may have complicated setups and / or variations.
NaP3 gives me what I need, at any size above about 10", where I need it and
a single window (Setup excepted).
The LP-Pan enclosure fits in well with a couple of other
accessory boxes which are on a shelf a short ways above my K3.  It is turned
on and off with the rig.  Rarely do I ever interact with the LP-Pan unit.
The NaP3 window has selections to allow for some features to
not be displayed.
*I can think of nothing other than operator preference that
would require a 2nd display for NaP3.
The ability to view 192kHz of bandwidth is satisfactory for
me, though I'm sure I could find use at times for more.  Often I run at
about 50kHz of bandwidth in view.

If one has a style of operation similar to mine, the LP-Pan and NaP3
software may be a good fit.  Whether P3 or LP-Pan + software.either
introduces new dimensions to amateur radio operation.

Best,
Dick - KA5KKT

*I recently acquired a 7" monitor for rearview camera which is awaiting
better weather for complete installation in my automobile.  I've made a CD
slot insertable mount (kudos to WB4RVN) and the display is easily detached
and removed via a screw knob.  The resolution is such that the NaP3 window
should fit nicely on it.approaching 1:1.  I'll entertain suggestions of how
I might get plain ol' video (RCA) out of my computer or what might be an
appropriate adaptor.haven't gotten to looking as of yet.  I have VGA, HDMI
and DVI(?) outputs, though the HDMI runs my customary display.

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Re: [Elecraft] P3 vs LP-Pan / NaP3

[Al Lorona]

>>> But who doesn't use a shack 

>>> computer these days?

Me.

Al W6LX
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Re: [Elecraft] P3 vs LP-Pan / NaP3

[Wes Stewart]

I've never used a P3, other than seeing a demo of a prototype unit.  I once used 
an LP-Pan, but no longer have one.  It was a bit too much stuff for me.


I expect that the owners of P3s will tell you there is no comparison because the 
P3 stands alone without a computer.  That is true.  But who doesn't use a shack 
computer these days?


Now I use an SDR-IQ with SpectraVue software and find it outstanding.  Being 
able to see the band has become almost a necessity for me; I'm pretty much lost 
without it.  It fully tracks the K3, offers point-n-click or mouse wheel QSY, 
and does have demodulation so it can be a second RX of sorts although I don't 
use it as such and latency can be a little offputting.  The SDR-IQ has been 
superseded but they still pop up on the used market.  As a standalone RX they're 
not too bad either.


Wes  N7WS


On 3/23/2018 12:40 PM, Fred Jensen wrote:
I tried LP-Pan and NaP3 before buying my P3. Panadapter displays are sort of 
like the urban legend that all snowflakes are different ... after a year in 
the northern interior of AK, I can assure you ... "seen one, you've seen 'em 
all." However, like all Elecraft gear, the  integration between the P3 and K3 
is very tight, and coupled with the macro and software control capabilities 
makes the P3 far superior.


I bought mine more or less as a toy to replace the external HW, cables, and 
additional SW on the PC.  I find now that it is what I look at while 
operating.  I occasionally operate W7RN remotely, and alas -- no P3.  Been 
contemplating ways to get the 8 MHz first IF and control down from the 
station.  [Wayne: Hint for a new product?]


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 3/23/2018 11:55 AM, Bill DeVore wrote:

Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare apples
to oranges?

Bill - W3PNM



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Re: [Elecraft] P3 vs LP-Pan / NaP3

[Jim Rhodes]

P3, as far as I know, does not let you open a receiver at anyplace in the
bandpass. Actually 2, so with internal receivers and 2 software I can
monitor 4 freq if I want using LP.  Then there is the display issue. If you
want bigger display on P3 you have to dedicate a monitor to it alone. With
LP I just open a window on my 40" 4K monitor without adding a whole new
display.


Jim Rhodes
K0XU

On Fri, Mar 23, 2018, 15:00 George Thornton <gthorn...@thorntonmostullaw.com>
wrote:

> I too had the LP-Pan before the K3.
>
> Computers can be finicky and I found using the LP-Pan to be at times
> difficult to keep running.  I also did not find it easy to adjust the scale
> ranges to make the graphics displays optimized for what I wanted to do.
>
> By contrast, the P3 was easy to set up and get running.  The controls used
> for ranging the display were knobs with labels and were easy to adjust on
> the fly.  The integration with the K3 was a further plus.
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net [mailto:
> elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen
> Sent: Friday, March 23, 2018 12:40 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] P3 vs LP-Pan / NaP3
>
> I tried LP-Pan and NaP3 before buying my P3. Panadapter displays are sort
> of like the urban legend that all snowflakes are different ...
> after a year in the northern interior of AK, I can assure you ... "seen
> one, you've seen 'em all." However, like all Elecraft gear, the integration
> between the P3 and K3 is very tight, and coupled with the macro and
> software control capabilities makes the P3 far superior.
>
> I bought mine more or less as a toy to replace the external HW, cables,
> and additional SW on the PC.  I find now that it is what I look at while
> operating.  I occasionally operate W7RN remotely, and alas -- no P3. Been
> contemplating ways to get the 8 MHz first IF and control down from the
> station.  [Wayne: Hint for a new product?]
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
>
> On 3/23/2018 11:55 AM, Bill DeVore wrote:
> > Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare
> > apples to oranges?
> >
> > Bill - W3PNM
> >
>
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Re: [Elecraft] P3 vs LP-Pan / NaP3

[George Thornton]

I too had the LP-Pan before the K3.

Computers can be finicky and I found using the LP-Pan to be at times difficult 
to keep running.  I also did not find it easy to adjust the scale ranges to 
make the graphics displays optimized for what I wanted to do.

By contrast, the P3 was easy to set up and get running.  The controls used for 
ranging the display were knobs with labels and were easy to adjust on the fly.  
The integration with the K3 was a further plus.


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen
Sent: Friday, March 23, 2018 12:40 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3 vs LP-Pan / NaP3

I tried LP-Pan and NaP3 before buying my P3. Panadapter displays are sort of 
like the urban legend that all snowflakes are different ... 
after a year in the northern interior of AK, I can assure you ... "seen one, 
you've seen 'em all." However, like all Elecraft gear, the integration between 
the P3 and K3 is very tight, and coupled with the macro and software control 
capabilities makes the P3 far superior.

I bought mine more or less as a toy to replace the external HW, cables, and 
additional SW on the PC.  I find now that it is what I look at while operating. 
 I occasionally operate W7RN remotely, and alas -- no P3. Been contemplating 
ways to get the 8 MHz first IF and control down from the station.  [Wayne: Hint 
for a new product?]

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 3/23/2018 11:55 AM, Bill DeVore wrote:
> Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare 
> apples to oranges?
>
> Bill - W3PNM
>

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Re: [Elecraft] P3 vs LP-Pan / NaP3

[Fred Jensen]

I tried LP-Pan and NaP3 before buying my P3. Panadapter displays are 
sort of like the urban legend that all snowflakes are different ... 
after a year in the northern interior of AK, I can assure you ... "seen 
one, you've seen 'em all." However, like all Elecraft gear, the  
integration between the P3 and K3 is very tight, and coupled with the 
macro and software control capabilities makes the P3 far superior.


I bought mine more or less as a toy to replace the external HW, cables, 
and additional SW on the PC.  I find now that it is what I look at while 
operating.  I occasionally operate W7RN remotely, and alas -- no P3.  
Been contemplating ways to get the 8 MHz first IF and control down from 
the station.  [Wayne: Hint for a new product?]


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 3/23/2018 11:55 AM, Bill DeVore wrote:

Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare apples
to oranges?

Bill - W3PNM



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[Elecraft] P3 vs LP-Pan / NaP3

[Dick Dickinson]

Perhaps an individual's goals and criteria could make it a little less
'apples to oranges.'

Dick - KA5KKT


Bill DeVore maxrcul at gmail.com 
Fri Mar 23 14:55:17 EDT 2018 

Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare apples
to oranges?

Bill - W3PNM


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[Elecraft] P3 vs LP-Pan / NaP3

[Bill DeVore]

Is a P3 vs LP-Pan / NaP3 a fair comparison? Am I trying to compare apples
to oranges?

Bill - W3PNM
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[Elecraft] P3-F. FOR SALE

[John Altman]

FOR SALE --  P3-F Panadapter

$625.00 + shipping ... (New price $779.95 + shipping)
Excellent operating and cosmetic condition!
Have two units - this one is now surplus to my needs.
...
Will ship with spiral bound manual and connecting cables.
IF Cable E980170
Power Cable E850427
P3 to RJ45 Connector on K3S - Y Cable - Model E980296
..
Sold as is, no returns, due to scammers and parts swappers...
Pay with PayPal + fees, bank check, or postal money order.
..
Questions - pls email me direct -- wa4...@arrl.net
..
Thanks,
John
WA4AIP
ARRL Charter Life Member

WA4AIP
ARRL Charter Life Member
C.C.A. Member


Sent from my iPad PRO
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[Elecraft] P3-F. Panadapter for sale

[John Altman]

FOR SALEP3-F   Panadapter
 
$650.00 SHIPPED ...   (New price $779.95 + shipping)
 
This is my second unit - now surplus to my needs.
 
Will ship with spiral bound manual and connecting cables – 
   IF Cable – E980170
   Power Cable – E850427
   P3 to RJ45 Connector on K3S - Y Cable - Model E980296

 Sold as is, no returns, due to scammers and parts swappers.
 
Pay with PayPal + fees, bank check, or postal money order.
 
Questions - please contact me direct at wa4...@arrl.net.
 
Thanks,
John
WA4AIP
ARRL Charter Life Member
C.C.A. Member


Sent from my iPad PRO
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[Elecraft] P3-F PANADAPTER FOR SALE WITH CABLES AND MANUAL

[John Altman]

FOR SALEP3-F   Panadapter



$650.00 plus shipping   (New price $779.95 + shipping)



This is my second unit - now surplus to my needs.



Will ship with spiral bound manual and connecting cables –

   IF Cable – E980170

   Power Cable – E850427

   P3 to RJ45 Connector on K3S - Y Cable - Model E980296



 Sold as is, no returns, due to scammers and parts swappers.



Pay with PayPal + fees, bank check, or postal money order.



Questions - please contact me direct at wa4...@arrl.net.



Thanks,

John

WA4AIP
ARRL Charter Life Member
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Re: [Elecraft] [P3 panadapter]: rs232 output working with logging software

[Gary Slagel via Elecraft]

Thanks for your help Graziano,
I'm using a cable made by Dan Tassel/SPE and I think it is the same wiring as 
your diagram shows.   
I did finally get it working  this morning.   After comparing your diagram with 
my wiring I was looking at software port configuration more closely and I 
noticed that N1MM+ recommended having stop bit set to 1.. I had it set to 
2.   I changed it and everything started working.  Also started working when I 
changed it in the dxlab commander software.
My takeaway is that at the faster baud rates stop bit setting is not so fussy.  
 At the slower baud rates it IS fussy.  
Thanks again,
Gary KT0A
  

On Monday, March 5, 2018, 2:31:57 AM MST, ROCCON GRAZIANO GIULIANO 
 wrote:  
 
 Hi,


give a look at the attached PDF for a possibile solution.

I did this and it worked for me.

73's de iw2noy Graziano



Il 05/03/2018 01:34, Gary Slagel via Elecraft ha scritto:
> That's a good suggestion and it worked!  I tried it at 38400 and 19200 and 
> they both worked.   When I went down to 9600 and 4800 it quite working.  
> Unfortunately, I've got an SPE amp that has to be in the same chain of 
> equipment and that fastest it will talk is 9600.
> Funny though, that the k3s will talk to the computer software and the amp at 
> 4800 baud if the panadapter isn't in the chain.
> The panadapter will only talk to the k3s at 38400 and enforces the 38400 baud 
> rate by automatically setting the k3s to 38400.  But even when it is talking 
> to the k3s at 38400 it lets me set its output baud rate to whatever I want.   
> So the strange thing is that if I set the panadapter output to 38400 or 
> 19200 it works fb with the computer logging software ( but not the amp cuz it 
> won't go that high) but if I set the panadapter output to 9600 or 4800 it 
> won't talk to the computer logging software but it will talk to the elecraft 
> k3 utility at the slower baud rate.  If I take the panadapter out of the 
> chain the k3 and amp and computer software will all happily talk to each 
> other at 4800 baud.
> Now I'm wondering if there is such a thing as a baud rate converter that I 
> could put inline with the amp to turn the 19200 baud rate into 4800 so it'll 
> talk to the amp?  I'm off to scour the internet.
>
>
> Gary SlagelAce Hardware #14814207 So ChicagoHot Springs, SD 57747(605) 
> 890-2310KT0A
>    
>
>      On Sunday, March 4, 2018, 4:52:34 PM MST, Dick Dievendorff 
> wrote:
>  
>  Try setting everything to 38400 and see if that helps. The P3 needs to chit 
>chat with the K3 and that’s best done quickly.
>
> I haven’t tried 4800, but 38400 works here fir me.
>
> 73 de Dick, K6KR
>
>> On Mar 4, 2018, at 14:53, Gary Slagel via Elecraft 
>>  wrote:
>>
>> I've got my k3s rs232/p3 port connected to the panadapter XCVR rs232 port.  
>> Panadapter PC rs232 is connected to the computer.  Set the panadapter RS232 
>> paramater to 4800 baud.  The elecraft k3 utility on the computer talks to 
>> the K3S fb and connects at 4800 baud but neither my n1mm software or dxlab 
>> commander, both configured at 4800 baud, will talk to the K3.  If I take the 
>> panadapter out of the chain by hooking directly to the k3s rs232/p3 port 
>> directly they both talk to it fb.
>> Has anyone run into a similar problem?
>> Thanks for help,
>> Gary SlagelAce Hardware #14814207 So ChicagoHot Springs, SD 57747(605) 
>> 890-2310KT0A
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Re: [Elecraft] [P3 panadapter]: rs232 output working with logging software

[Gary Slagel via Elecraft]

That's a good suggestion and it worked!  I tried it at 38400 and 19200 and they 
both worked.   When I went down to 9600 and 4800 it quite working.  
Unfortunately, I've got an SPE amp that has to be in the same chain of 
equipment and that fastest it will talk is 9600.
Funny though, that the k3s will talk to the computer software and the amp at 
4800 baud if the panadapter isn't in the chain.   
The panadapter will only talk to the k3s at 38400 and enforces the 38400 baud 
rate by automatically setting the k3s to 38400.  But even when it is talking to 
the k3s at 38400 it lets me set its output baud rate to whatever I want.   
So the strange thing is that if I set the panadapter output to 38400 or 
19200 it works fb with the computer logging software ( but not the amp cuz it 
won't go that high) but if I set the panadapter output to 9600 or 4800 it won't 
talk to the computer logging software but it will talk to the elecraft k3 
utility at the slower baud rate.  If I take the panadapter out of the chain the 
k3 and amp and computer software will all happily talk to each other at 4800 
baud.
Now I'm wondering if there is such a thing as a baud rate converter that I 
could put inline with the amp to turn the 19200 baud rate into 4800 so it'll 
talk to the amp?  I'm off to scour the internet.


Gary SlagelAce Hardware #14814207 So ChicagoHot Springs, SD 57747(605) 
890-2310KT0A
  

On Sunday, March 4, 2018, 4:52:34 PM MST, Dick Dievendorff 
 wrote:  
 
 Try setting everything to 38400 and see if that helps. The P3 needs to chit 
chat with the K3 and that’s best done quickly. 

I haven’t tried 4800, but 38400 works here fir me.

73 de Dick, K6KR

> On Mar 4, 2018, at 14:53, Gary Slagel via Elecraft  
> wrote:
> 
> I've got my k3s rs232/p3 port connected to the panadapter XCVR rs232 port.  
> Panadapter PC rs232 is connected to the computer.  Set the panadapter RS232 
> paramater to 4800 baud.  The elecraft k3 utility on the computer talks to the 
> K3S fb and connects at 4800 baud but neither my n1mm software or dxlab 
> commander, both configured at 4800 baud, will talk to the K3.  If I take the 
> panadapter out of the chain by hooking directly to the k3s rs232/p3 port 
> directly they both talk to it fb.  
> Has anyone run into a similar problem?
> Thanks for help,
> Gary SlagelAce Hardware #14814207 So ChicagoHot Springs, SD 57747(605) 
> 890-2310KT0A
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[Elecraft] [P3 panadapter]: rs232 output working with logging software

[Gary Slagel via Elecraft]

I've got my k3s rs232/p3 port connected to the panadapter XCVR rs232 port.  
Panadapter PC rs232 is connected to the computer.  Set the panadapter RS232 
paramater to 4800 baud.  The elecraft k3 utility on the computer talks to the 
K3S fb and connects at 4800 baud but neither my n1mm software or dxlab 
commander, both configured at 4800 baud, will talk to the K3.  If I take the 
panadapter out of the chain by hooking directly to the k3s rs232/p3 port 
directly they both talk to it fb.  
Has anyone run into a similar problem?
Thanks for help,
Gary SlagelAce Hardware #14814207 So ChicagoHot Springs, SD 57747(605) 
890-2310KT0A
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[Elecraft] Elecraft P3 screen is flickering

[Juergen Loewner]

P3 lower half (waterfall) is sporadicly cleared and rebuild (Slow waterfall 
rebuild)).

I have no idea why.

Switching waterfall off and the complete P3 screen is flickering (very fast 
rebuild).

Can somebody tell me how I can avoid this?

73

Juergen

DK2PG

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[Elecraft] P3 minor bug in firmware ??

[ANDY NEHAN via Elecraft]

I have a P3 with latest revision of firmware and an SVGA
card and a station monitor and a USB keyboard plugged in as well.
The frequency readout on the P3 and external monitor is
correct under all common operating situation when I have a “span” of, say 
100KHz. However, when I use the command sequence:-
#CTF000;#SPN00040;RCF+002000 which gives a span of
4KHz, centres the frequency and then effectively moves the filter area to the
left there is a small problem. If I set the dial to 7.100KHz then apply the 
above
command string (via a stored macro accessed via the USB keyboard) then the
reading on BOTH the SVGA connected monitor and the P3 itself stow
7.100.0 at the left 7.100.00 middle and 7.104 at the right
edge. Clearly this is not correct. 
Thoughts and observations welcomed.
 
G4HUE, Andy
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Re: [Elecraft] P3 SVGA interference -

[Don Wilhelm]

Mike,

I don't think I have seen this as a suggestion so far in the thread.

It is important that you dress the cables for the SVGA option exactly as 
shown in the installation manual.

If they do not want to stay in place, use a ty-wrap around the cables.

73,
Don W3FPR

On 2/11/2018 12:50 PM, mjpilgrim wrote:

I am almost overwhelmed by all the very thoughtful suggestions.  Here's what
I know so far.

I had previously performed the idea of turning off all items in the room
except for the radio and P3, but the reported symptom remains.  I then
switched my antenna switch to the grounded position, and the problem goes
away. Now my suspicion is that my rfi is created from outside my
house.  My antenna system consists of two end fed long wires, 90% opposed to
each other, and a minimal vertical out behind the house.


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Re: [Elecraft] P3 SVGA interference -

[mjpilgrim]

Somehow I managed to lose my last post describing the attached photo. 
suffice to say my Span is set for 14.000-14.104MHZ and my cursor is tuned to
14.029, but notice that the baseline noise level while near S-2 across most
of the band, shows a hump back at the center of the screen and the waterfall
depicts the width of the distortion.  Anyone with any suggestion beyond what
I have offered, I'm all ears.  Note that this phenom. occurs only on 20
Meters.

Thanks,
Mike K5MP  



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Re: [Elecraft] P3 SVGA interference -

[mjpilgrim]

I am almost overwhelmed by all the very thoughtful suggestions.  Here's what
I know so far.

I had previously performed the idea of turning off all items in the room
except for the radio and P3, but the reported symptom remains.  I then
switched my antenna switch to the grounded position, and the problem goes
away. Now my suspicion is that my rfi is created from outside my
house.  My antenna system consists of two end fed long wires, 90% opposed to
each other, and a minimal vertical out behind the house.

The RFI from all antennas is approximately equal in amplitude as I select
them one at a time (with the vertical slightly less but I attribute that to
the relative poor receive sensitivity on that antenna.  Nonetheless, the RFI
on that antenna is quite noticeable.

I hesitate to bother for additional thoughts at this point, at least until I
can asses what possible causes external to my house might be at play, and
now to pay close attention to whether or not it changes depending on the
hour of the day.  For example, at first notice of this problem I sensed that
everything was normal until for example, the beginning of the work day.  I
soon discounted that thought however, when I realized it was happening late
at night (as was the case up until I shut down last night around 11pm).  And
it affects only 20 Meters.  All other bands are viewed normally.

Perhaps once I can capture and submit a picture for review here, someone
might be able to make a little more sense out of what I'm trying to
describe.If I can say it this way, it reminds me of a TV commercial
where folks are in a Gymnasium doing a strength regimen involving holding a
rope in each hand and making it serpentine by moving the arms up and down. 
Only that sine wave of baseline noise moves from S-2 to as high as S-7 when
using my best antenna..  I'll try to get a picture attached later
this afternoon.

Thanks for the help so far.
Mike, K5MP





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Re: [Elecraft] P3 SVGA interference -

[donovanf]

Does the RFI go away if you remove the antenna connection to your radio? 


Does it vary when you rotate your antenna? 

73 
Frank 
W3LPL 

- Original Message -

From: "mjpilgrim" <mpilg...@bellsouth.net> 
To: elecraft@mailman.qth.net 
Sent: Sunday, February 11, 2018 12:04:49 AM 
Subject: Re: [Elecraft] P3 SVGA interference - 

I have the P3 attached to a HP 23" flat screen. I power off the external 
monitor and still have the issue on the P3 internal monitor. I power off 
the monitor on two PCs in the room and power off the flat screen TV in the 
room. Still no relief. 

I removed and reconnected all connections on the back of the P3, then 
removed the top cover so I could attempt to change the symptoms by touching 
and/or moving the ribbon cable and connectors. No change. 

I have snapped a couple pics, so will attempt later to share those if 
possible. Thanks for your replies. 
Mike, K5MP 



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[Elecraft] P3: Feature request

[Dave Cole (NK7Z)]

Hi there Elecraft programmers,

Feature request here...

Would it be possible to add a user controllable switch in the P3 setup 
for the Transmit monitor, which allows the numeric SWR and POWER reading 
to be held, as opposed to being removed at termination of transmit?


Thanks for considering

--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net
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Re: [Elecraft] P3 SVGA interference -

[mjpilgrim]

I have the P3 attached to a HP 23" flat screen.  I power off the external
monitor and still have the issue on the P3 internal monitor.  I power off
the monitor on two PCs in the room and power off the flat screen TV in the
room.  Still no relief.

I removed and reconnected all connections on the back of the P3, then
removed the top cover so I could attempt to change the symptoms by touching
and/or moving the ribbon cable and connectors.  No change.

I have snapped a couple pics, so will attempt later to share those if
possible.  Thanks for your replies.
Mike, K5MP



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Re: [Elecraft] P3 SVGA interference -

[donovanf]

Hi Mike, 


Have you tried turning your monitor off? I've never had the issue 
you describe 


73 
Frank 
W3LPL 

- Original Message -

From: "mjpilgrim" <mpilg...@bellsouth.net> 
To: elecraft@mailman.qth.net 
Sent: Saturday, February 10, 2018 8:32:03 PM 
Subject: Re: [Elecraft] P3 SVGA interference - 

I wonder if this discussion and suggested ribbon clips address my issue. I 
acquired my K3 this past summer and then a P3 off of eBay shortly 
thereafter. I installed the SVGA adapter a couple months ago and I have a 
problem which sounds similar to what is described in this thread. For lack 
of a better description let me say this symptom happens only on 
20Meters. as I view my spectrum now from 14.250 to 14.350 the noise 
floor rests basically around S-2 across the entire band, revealing a few 
transmitted ham conversations, My center frequency on the scope is 14.300 
and at this moment I see occasional noise peaks rising up to as high as S-5 
in two or three instances approximately 10khz wide, and at times 20 khz or 
wider. These noise peaks are not consistent with any observed or detected 
human voice transmission. At times I can see a very broad band of noise on 
the waterfall which spans the entirety of the floating noise floor. The 
same observation occurs when I am tuned down in the CW portion of the band. 

I don't recall if this observation was present prior to adding the SVGA 
adapter, and I've not thought about opening the P3 to inspect or move any 
cables. 

I know this symptom can best be demonstrated with a photo, so if that would 
be beneficial, I will be happy to oblige. Just let me know who needs to see 
it. 

This is certainly a very annoying issue I wish to resolve. I'm open to any 
ideas or suggestions. 
Thanks, Mike, K5MP 



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Re: [Elecraft] P3 SVGA interference -

[James Wilson]

Mike,

You didn't mention if you had a large monitor connected but
consider that the noise you "see" may come from it or a TV
your have connected.

Do you see the pattern on the P3 also?

Watch the P3 screen and turn the large monitor off and see if
the signal disappears. Many of them do make a lot of electrical
"noise" - particularly the screen light source and very particularly
plasma displays.

Jim - W4RKS

--

>I wonder if this discussion and suggested ribbon clips address my issue.  I
>acquired my K3 this past summer and then a P3 off of eBay shortly
>thereafter.  I installed the SVGA adapter a couple months ago and I have a
>problem which sounds similar to what is described in this thread.

. . .

>I don't recall if this observation was present prior to adding the SVGA
>adapter, and I've not thought about opening the P3 to inspect or move any
>cables.

. . .

>Thanks, Mike, K5MP
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Re: [Elecraft] P3 SVGA interference -

[mjpilgrim]

I wonder if this discussion and suggested ribbon clips address my issue.  I
acquired my K3 this past summer and then a P3 off of eBay shortly
thereafter.  I installed the SVGA adapter a couple months ago and I have a
problem which sounds similar to what is described in this thread.  For lack
of a better description let me say this symptom happens only on
20Meters. as I view my spectrum now  from 14.250 to 14.350 the noise
floor rests basically around S-2 across the entire band, revealing a few
transmitted ham conversations,  My center frequency on the scope is 14.300
and at this moment I see occasional noise peaks  rising up to as high as S-5
in two or three instances approximately 10khz wide, and at times 20 khz or 
wider.  These noise peaks are not consistent with any observed or detected
human voice transmission.  At times  I can see a very broad band of noise on
the waterfall which spans the entirety of the floating noise floor.  The
same observation occurs when I am tuned down in the CW portion of the band.

I don't recall if this observation was present prior to adding the SVGA
adapter, and I've not thought about opening the P3 to inspect or move any
cables.

I know this symptom can best be demonstrated with a photo, so if that would
be beneficial, I will be happy to oblige.  Just let me know who needs to see
it.

This is certainly a very annoying issue I wish to resolve.  I'm open to any
ideas or suggestions.
Thanks, Mike, K5MP 



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[Elecraft] P3 Macros - MEM to MEM Copy? MEM Editing?

[Byron Peebles]

Has anyone come up with a reasonable means to duplicate a Stored Macro 
in the P3/SVGA?


I am interested in loading 48 memories with Macros that are all over 
100-characters and many of them are very similar with just a few 
characters different.  Because you need to type every one, this is 
tedious.  Even editing one requires you use a destructive backspace to 
get to the characters to change.


Is there a better way?

73, Byron

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Re: [Elecraft] [P3] Another symmetry question

[Randy Farmer]

This "feature" has been commented on in the past. It appears the P3 
automatically recomputes the display limits in Fixed Tune mode if the K3 
frequency is changed via the RS232 port (i.e., the P3 gets the frequency 
change command). When I use the Band buttons on the KPA500 to change 
bands the P3 display limits don't change -- probably because the 
frequency change is commanded by way of the serial bus between the 
transceiver and the amp.


I also find this quite annoying and would like the P3 to respect my 
manual settings when a QSY is commanded.


73...
Randy, W8FN

On 1/8/2018 6:06 PM, Bill Frantz wrote:

I think the following issue may be part of the same problem.

For the WARC bands, I like to have the P3 set up to show the whole 
band. When I use wsjt-x to switch to 17M, the P3 changes from showing 
100KHz between 18.068 and 18.168 to showing 100KHz from 18.100 to 
18.200. Annoying.


73 Bill AE6JV

On 1/8/18 at 3:34 PM, k6...@foothill.net (Fred Jensen) wrote:

When I change bands using BAND UP/DN, the P3 seems to preserve this 
configuration from band to band.  The same seems to hold when I use 
direct frequency entry.  However, when running N1MM+, typing a 
frequency into the call sign window will go to that frequency on the 
radio but will put the span edges at odd 20 KHz boundaries 
[3510-3530, 3530-3550] and sometimes at 3515-3535.


--
Bill Frantz    | There are now so many exceptions to the
408-356-8506   | Fourth Amendment that it operates only by
www.pwpconsult.com | accident.  -  William Hugh Murray


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Re: [Elecraft] [P3] Another symmetry question

[Bill Frantz]

I think the following issue may be part of the same problem.

For the WARC bands, I like to have the P3 set up to show the 
whole band. When I use wsjt-x to switch to 17M, the P3 changes 
from showing 100KHz between 18.068 and 18.168 to showing 100KHz 
from 18.100 to 18.200. Annoying.


73 Bill AE6JV

On 1/8/18 at 3:34 PM, k6...@foothill.net (Fred Jensen) wrote:

When I change bands using BAND UP/DN, the P3 seems to preserve 
this configuration from band to band.  The same seems to hold 
when I use direct frequency entry.  However, when running 
N1MM+, typing a frequency into the call sign window will go to 
that frequency on the radio but will put the span edges at odd 
20 KHz boundaries [3510-3530, 3530-3550] and sometimes at 3515-3535.


--
Bill Frantz| There are now so many exceptions to the
408-356-8506   | Fourth Amendment that it operates only by
www.pwpconsult.com | accident.  -  William Hugh Murray

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[Elecraft] [P3] Another symmetry question

[Fred Jensen]

I have a K3/100.  For CW and RTTY below 10 m, I normally run a 20 KHz 
span with the ends of the span on even 20 KHz boundaries [3500-3520, 
3520-3540, etc].  I'm in Fixed Tune mode where the span edges remain 
fixed and the VFO cursors move as I tune.  Tuning off the edge results 
in a full 20 KHz shift [IAW, a new 20 KHz span].


When I change bands using BAND UP/DN, the P3 seems to preserve this 
configuration from band to band.  The same seems to hold when I use 
direct frequency entry.  However, when running N1MM+, typing a frequency 
into the call sign window will go to that frequency on the radio but 
will put the span edges at odd 20 KHz boundaries [3510-3530, 3530-3550] 
and sometimes at 3515-3535.


Does anyone know how the P3 recalculates the span edges on band changes 
from an external control program?  If I knew, I might be able to compensate.


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
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[Elecraft] P3 “Point and Click” (again)

[Ed Schuller via Elecraft]

This is my once a year request for “point and click” functionality for the P3. 
Being able to quickly move a mouse pointer over a signal on the P3 and click to 
change frequency would be a welcomed feature. When you can’t hear half the 
signals that populate the local band map, being able to click on what you can 
actually hear would be a big plus.

73,
Ed K6CTA

Sent from my iPhone



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[Elecraft] P3 REF LVL adjustment

[Tony G6GLP]

Hi All,
I can set the ref lvl to say S4 on the display (Top Band) and then tune 
around fine but if I switch to another band then the ref lvl will 
sometimes change and others not. if I go through several band changes 
and eventually back to top band The P3 ref lvl maybe back where I left 
it but not always.
Can someone tell me when and how the ref lvl is stored so I can make 
this constant on one band.


73 de Tony G6GLP

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Re: [Elecraft] P3 showing sigs on Aux antenna in diversity mode?

[Don Wilhelm]

Bill,

The only way I know of is to dig into the SubRX and connect its IF 
output to the P3.  The buffer circuit is there, but is not brought out 
of the SubRX enclosure.


I don't know of an easy way to transfer the P3 input between the main 
and the SubRX, but myself, I would simply use a relay external to the K3 
and operate it manually when you want to make the switch.


73,
Don W3FPR

On 12/30/2017 7:25 PM, Bill Conwell wrote:

For 160, I've got a noisy TX antenna, and a quiet RX antenna.  I sometimes
run them in diversity mode, with TX antenna connected to K3's ANT1 port,
and RX antenna connected to AUX port.

Diversity works fine.

But the P3 shows the IF from the noisy TX antenna - in which many weak
stations are obscured by noise.

Is there any configuration by which I can get P3 to show, instead, the
signals from the quiet RX antenna (connected to AUX input)?

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