Re: [wsjt-devel] UDP Status #1 message while typing DX call (bug?)

[Laurie, VK3AMA via wsjt-devel]

On 22/02/2023 6:52 pm, Saku via wsjt-devel wrote:

What is set in stone, stands there.
I do highly prefer backward compatibility, but but fixing this does 
not break anything.


While a change would not break anything, it will introduce  a change 
that will require users to change their operating habits which will 
require documentation and user education. Users would need to learn to 
tab out of the DXCall input field in order for their connected 
applications (like JTAlert) to detect the Callsign change and proceed 
with log lookups, xml queries, etc. I can see a significant increase in 
user complaint and support messages if this behavior was introduced.


In my opinion is far better for a developer to introduce a timeout check 
of the status message into their software, that is how I do it, rather 
than having the behavior change requiring many users to learn of the 
change and alter their operating behavior.


de Laurie VK3AMA
(JTAlert author)


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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[K9RX via wsjt-devel]

Understood Joe. I understand that it should have been set at “none” as it is 
not a wide doppler shift. I was only commenting on how the program action 
changed – w/o any changes made to the program/setup, with the default setting  
(“own echo”)… 

but we’re good – I have it (properly) set to “none”.

g.



Sent from Mail for Windows

From: Joe Taylor via wsjt-devel
Sent: Wednesday, February 22, 2023 1:55 PM
To: K9RX via wsjt-devel
Cc: Joe Taylor
Subject: Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Gary --

I'll repeat what I said before.  I believe if you configure WSJT-X as 
described in the User Guide and the referenced paper, its behavior will 
be as it should be.

You have not said if you are using CAT control.  If YES, and you choose 
"Own Echo", you'll see your dial frequency change from Rx to Tx.  On 6m, 
Doppler shifts are small enough that you don't need to use CAT control. 
In that case WSJT-X will do Echo-mode Doppler control in software, at 
audio frequencies.

In either case, the echo peak in the Echo graph should be centered at 0. 
SNR measurements are made only for a peak centered at 0.  The "-99 dB" 
you are seeing means that there is no peak centered at 0, and this means 
something is not being done correctly.

-- Joe, K1JT

On 2/22/2023 12:05 PM, K9RX via wsjt-devel wrote:
> Lance, Thanks – but the issue is that the operation and displayed 
> results – changed! It first was showing, on the Echo graph centered (0). 
> And at the same time it showed on the wide graph as the echo was where 
> it should be – i.e. 1596Hz for a 96Hz echo doppler shift. And it decoded 
> a signal with a level provided (-14.6, twice, w/ a Q of 10!).
> 
> But then later – w/o changing anything other than time (i.e. later)… the 
> echo showed on the Echo graph at -93 Hz (now the expected echo was 93 
> Hz)… the wide graph showed it just above 1500Hz and although there was 
> clearly an echo – the tabulated results remained at a level of -99.9!
> 
> This is all clear in the screen shot if anyone wants to see it.
> 
> After reading the doc I did see that it was set to “on own echo”. I 
> changed that to “none” and now it seems to work as expected – the echo 
> is now at 1576Hz on the wide graph and is at +76Hz on the Echo graph – 
> and it gave a proper numeric value (this time -20.3).
> 
> So again – its that it changed and when it changed it was no longer 
> functional as, even though the echo was clearly there, the value for SNR 
> was ‘stuck’ at -99.9.
> 
> Gary
> 
> Sent from Mail  for Windows
> 
> *From: *Lance Collister, W7GJ via wsjt-devel 
> 
> *Sent: *Wednesday, February 22, 2023 11:57 AM
> *To: *K9RX via wsjt-devel 
> *Cc: *Lance Collister, W7GJ 
> *Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0
> 
> Hi Gary,
> 
> I have not followed the ECHO mode documentation, but it may be that on 
> the Wide
> 
> Graph, you see the trace coming back as doppler shifed, but (at least in 
> previous
> 
> versions) the ECHO mode moves the frequency around, along with its 
> receiver, and just
> 
> displays the sum total of the average echoes received. The program knows 
> where it is
> 
> transmitting, so knows where to listen for the signal. I don't think you 
> need to pay
> 
> any attention to what is shown on the Wide Graph...GL and VY 73, Lance
> 
> On 2/22/2023 16:13:35, K9RX via wsjt-devel wrote:
> 
>  >
> 
>  > Thank you – I’ll look this over to see if it addresses the echo 
> appearing
> 
>  > differently in both the wide and echo graph.
> 
>  >
> 
>  > Gary
> 
>  >
> 
>  > Sent from Mail  for 
> Windows
> 
>  >
> 
>  > *From: *Charles Suckling via wsjt-devel 
> 
> 
>  > *Sent: *Wednesday, February 22, 2023 10:53 AM
> 
>  > *To: *WSJT software development 
> 
>  > *Cc: *Charles Suckling 
> 
>  > *Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0
> 
>  >
> 
>  > Hi Gary
> 
>  >
> 
>  > Have a look at these, which will hopefully help.
> 
>  >
> 
>  > https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf
> 
>  >
> 
>  > http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html
> 
>  >
> 
>  > 73
> 
>  >
> 
>  > Charlie DL3WDG
> 
>  >
> 
>  > On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel
> 
>  >  wrote:
> 
>  >
> 
>  > I like to use ECHO to test the station on 6M EME.
> 
>  >
> 
>  > But the latest version has changed enough I was wondering if 
> there was a short
> 
>  > help file for it?
> 
>  >
> 
>  > Also: The Echo graph will at times show the echo centered – and 
> other times
> 
>  > show it offset. I have a jpg showing a recent echo run where the 
> echo was very
> 
>  > strong – and it was showing it as 

Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[Joe Taylor via wsjt-devel]

Gary --

I'll repeat what I said before.  I believe if you configure WSJT-X as 
described in the User Guide and the referenced paper, its behavior will 
be as it should be.


You have not said if you are using CAT control.  If YES, and you choose 
"Own Echo", you'll see your dial frequency change from Rx to Tx.  On 6m, 
Doppler shifts are small enough that you don't need to use CAT control. 
In that case WSJT-X will do Echo-mode Doppler control in software, at 
audio frequencies.


In either case, the echo peak in the Echo graph should be centered at 0. 
SNR measurements are made only for a peak centered at 0.  The "-99 dB" 
you are seeing means that there is no peak centered at 0, and this means 
something is not being done correctly.


-- Joe, K1JT

On 2/22/2023 12:05 PM, K9RX via wsjt-devel wrote:
Lance, Thanks – but the issue is that the operation and displayed 
results – changed! It first was showing, on the Echo graph centered (0). 
And at the same time it showed on the wide graph as the echo was where 
it should be – i.e. 1596Hz for a 96Hz echo doppler shift. And it decoded 
a signal with a level provided (-14.6, twice, w/ a Q of 10!).


But then later – w/o changing anything other than time (i.e. later)… the 
echo showed on the Echo graph at -93 Hz (now the expected echo was 93 
Hz)… the wide graph showed it just above 1500Hz and although there was 
clearly an echo – the tabulated results remained at a level of -99.9!


This is all clear in the screen shot if anyone wants to see it.

After reading the doc I did see that it was set to “on own echo”. I 
changed that to “none” and now it seems to work as expected – the echo 
is now at 1576Hz on the wide graph and is at +76Hz on the Echo graph – 
and it gave a proper numeric value (this time -20.3).


So again – its that it changed and when it changed it was no longer 
functional as, even though the echo was clearly there, the value for SNR 
was ‘stuck’ at -99.9.


Gary

Sent from Mail  for Windows

*From: *Lance Collister, W7GJ via wsjt-devel 


*Sent: *Wednesday, February 22, 2023 11:57 AM
*To: *K9RX via wsjt-devel 
*Cc: *Lance Collister, W7GJ 
*Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Hi Gary,

I have not followed the ECHO mode documentation, but it may be that on 
the Wide


Graph, you see the trace coming back as doppler shifed, but (at least in 
previous


versions) the ECHO mode moves the frequency around, along with its 
receiver, and just


displays the sum total of the average echoes received. The program knows 
where it is


transmitting, so knows where to listen for the signal. I don't think you 
need to pay


any attention to what is shown on the Wide Graph...GL and VY 73, Lance

On 2/22/2023 16:13:35, K9RX via wsjt-devel wrote:

 >

 > Thank you – I’ll look this over to see if it addresses the echo 
appearing


 > differently in both the wide and echo graph.

 >

 > Gary

 >

 > Sent from Mail  for 
Windows


 >

 > *From: *Charles Suckling via wsjt-devel 



 > *Sent: *Wednesday, February 22, 2023 10:53 AM

 > *To: *WSJT software development 

 > *Cc: *Charles Suckling 

 > *Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

 >

 > Hi Gary

 >

 > Have a look at these, which will hopefully help.

 >

 > https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf

 >

 > http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html

 >

 > 73

 >

 > Charlie DL3WDG

 >

 > On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel

 >  wrote:

 >

 > I like to use ECHO to test the station on 6M EME.

 >

 > But the latest version has changed enough I was wondering if 
there was a short


 > help file for it?

 >

 > Also: The Echo graph will at times show the echo centered – and 
other times


 > show it offset. I have a jpg showing a recent echo run where the 
echo was very


 > strong – and it was showing it as the right numeric doppler 
shift, 96 Hz, but


 > it was showing it on the graph as -96Hz and there was no SNR 
value reported


 > (-99.0 shown). You can see the echo on the wide graph – you can 
see the echo on


 > the echo graph – but both have it lower than it should be…

 >

 > A few minutes earlier I had 2 echos at -14.6 and others in to the 
low 20’s –


 > these were all showing on the spreadsheet – and “properly” on 
both the wide and


 > echo graphs.

 >

 > Gary Myers

 >

 > K9RX

 >

 > Sent from Mail  
for Windows


 >

 > ___

 > wsjt-devel mailing list

 > wsjt-devel@lists.sourceforge.net

 > 

Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[K9RX via wsjt-devel]

Lance, Thanks – but the issue is that the operation and displayed results – 
changed! It first was showing, on the Echo graph centered (0). And at the same 
time it showed on the wide graph as the echo was where it should be – i.e. 
1596Hz for a 96Hz echo doppler shift. And it decoded a signal with a level 
provided (-14.6, twice, w/ a Q of 10!). 

But then later – w/o changing anything other than time (i.e. later)… the echo 
showed on the Echo graph at -93 Hz (now the expected echo was 93 Hz)… the wide 
graph showed it just above 1500Hz and although there was clearly an echo – the 
tabulated results remained at a level of -99.9! 

This is all clear in the screen shot if anyone wants to see it. 

After reading the doc I did see that it was set to “on own echo”. I changed 
that to “none” and now it seems to work as expected – the echo is now at 1576Hz 
on the wide graph and is at +76Hz on the Echo graph – and it gave a proper 
numeric value (this time -20.3). 

So again – its that it changed and when it changed it was no longer functional 
as, even though the echo was clearly there, the value for SNR was ‘stuck’ at 
-99.9.

Gary 


Sent from Mail for Windows

From: Lance Collister, W7GJ via wsjt-devel
Sent: Wednesday, February 22, 2023 11:57 AM
To: K9RX via wsjt-devel
Cc: Lance Collister, W7GJ
Subject: Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Hi Gary,

I have not followed the ECHO mode documentation, but it may be that on the Wide 
Graph, you see the trace coming back as doppler shifed, but (at least in 
previous 
versions) the ECHO mode moves the frequency around, along with its receiver, 
and just 
displays the sum total of the average echoes received. The program knows where 
it is 
transmitting, so knows where to listen for the signal. I don't think you need 
to pay 
any attention to what is shown on the Wide Graph...GL and VY 73, Lance

On 2/22/2023 16:13:35, K9RX via wsjt-devel wrote:
>
> Thank you – I’ll look this over to see if it addresses the echo appearing 
> differently in both the wide and echo graph.
>
> Gary
>
> Sent from Mail  for Windows
>
> *From: *Charles Suckling via wsjt-devel 
> 
> *Sent: *Wednesday, February 22, 2023 10:53 AM
> *To: *WSJT software development 
> *Cc: *Charles Suckling 
> *Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0
>
> Hi Gary
>
> Have a look at these, which will hopefully help.
>
> https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf
>
> http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html
>
> 73
>
> Charlie DL3WDG
>
> On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel 
>  wrote:
>
> I like to use ECHO to test the station on 6M EME.
>
> But the latest version has changed enough I was wondering if there was a 
> short
> help file for it?
>
> Also: The Echo graph will at times show the echo centered – and other 
> times
> show it offset. I have a jpg showing a recent echo run where the echo was 
> very
> strong – and it was showing it as the right numeric doppler shift, 96 Hz, 
> but
> it was showing it on the graph as -96Hz and there was no SNR value 
> reported
> (-99.0 shown). You can see the echo on the wide graph – you can see the 
> echo on
> the echo graph – but both have it lower than it should be…
>
> A few minutes earlier I had 2 echos at -14.6 and others in to the low 
> 20’s –
> these were all showing on the spreadsheet – and “properly” on both the 
> wide and
> echo graphs.
>
> Gary Myers
>
> K9RX
>
> Sent from Mail  for 
> Windows
>
> ___
> wsjt-devel mailing list
> wsjt-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/wsjt-devel
>
>
>
> ___
> wsjt-devel mailing list
> wsjt-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/wsjt-devel

-- 
Lance Collister, W7GJ(ex WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, E51SIX, 3D2LR, 
5W0GJ, E6M, TX5K, KH8/W7GJ, V6M, T8GJ, VK9CGJ, VK9XGJ, C21GJ, CP1GJ, S79GJ, 
TX7MB, TO7GJ)
P.O. Box 73
Frenchtown, MT   59834-0073
USA
TEL: (406) 626-5728
QTH: DN27ub
URL: http://www.bigskyspaces.com/w7gj
Skype: lanceW7GJ
2m DXCC #11 - 6m DXCC #815 - FFMA #7

Interested in 6m EME?  Ask me about subscribing to the new Magic Band EME
email group, or just fill in the request box at the bottom of my web
page (above)!



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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[Lance Collister, W7GJ via wsjt-devel]

Hi Gary,

I have not followed the ECHO mode documentation, but it may be that on the Wide 
Graph, you see the trace coming back as doppler shifed, but (at least in previous 
versions) the ECHO mode moves the frequency around, along with its receiver, and just 
displays the sum total of the average echoes received. The program knows where it is 
transmitting, so knows where to listen for the signal. I don't think you need to pay 
any attention to what is shown on the Wide Graph...GL and VY 73, Lance


On 2/22/2023 16:13:35, K9RX via wsjt-devel wrote:


Thank you – I’ll look this over to see if it addresses the echo appearing 
differently in both the wide and echo graph.


Gary

Sent from Mail  for Windows

*From: *Charles Suckling via wsjt-devel 

*Sent: *Wednesday, February 22, 2023 10:53 AM
*To: *WSJT software development 
*Cc: *Charles Suckling 
*Subject: *Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Hi Gary

Have a look at these, which will hopefully help.

https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf

http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html

73

Charlie DL3WDG

On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel 
 wrote:


I like to use ECHO to test the station on 6M EME.

But the latest version has changed enough I was wondering if there was a 
short
help file for it?

Also: The Echo graph will at times show the echo centered – and other times
show it offset. I have a jpg showing a recent echo run where the echo was 
very
strong – and it was showing it as the right numeric doppler shift, 96 Hz, 
but
it was showing it on the graph as -96Hz and there was no SNR value reported
(-99.0 shown). You can see the echo on the wide graph – you can see the 
echo on
the echo graph – but both have it lower than it should be…

A few minutes earlier I had 2 echos at -14.6 and others in to the low 20’s –
these were all showing on the spreadsheet – and “properly” on both the wide 
and
echo graphs.

Gary Myers

K9RX

Sent from Mail  for Windows

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--
Lance Collister, W7GJ(ex WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, E51SIX, 3D2LR, 
5W0GJ, E6M, TX5K, KH8/W7GJ, V6M, T8GJ, VK9CGJ, VK9XGJ, C21GJ, CP1GJ, S79GJ, 
TX7MB, TO7GJ)
P.O. Box 73
Frenchtown, MT   59834-0073
USA
TEL: (406) 626-5728
QTH: DN27ub
URL: http://www.bigskyspaces.com/w7gj
Skype: lanceW7GJ
2m DXCC #11 - 6m DXCC #815 - FFMA #7

Interested in 6m EME?  Ask me about subscribing to the new Magic Band EME
email group, or just fill in the request box at the bottom of my web
page (above)!



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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[K9RX via wsjt-devel]

Thank you sir. Will do. 

Gary 
K9RX


Sent from Mail for Windows

From: Joe Taylor
Sent: Wednesday, February 22, 2023 11:18 AM
To: WSJT software development
Cc: K9RX
Subject: Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Hi Gary,

On 2/22/2023 10:28 AM, K9RX via wsjt-devel wrote:
> I like to use ECHO to test the station on 6M EME.
> 
> But the latest version has changed enough I was wondering if there was a 
> short help file for it?

Better than a short help file: there's a full paper about Echo mode. 
See item #34 here: https://wsjt.sourceforge.io/refs.html .

> Also: The Echo graph will at times show the echo centered – and other 
> times show it offset. I have a jpg showing a recent echo run where the 
> echo was very strong – and it was showing it as the right numeric 
> doppler shift, 96 Hz, but it was showing it on the graph as -96Hz and 
> there was no SNR value reported (-99.0 shown). You can see the echo on 
> the wide graph – you can see the echo on the echo graph – but both have 
> it lower than it should be…
> 
> A few minutes earlier I had 2 echos at -14.6 and others in to the low 
> 20’s – these were all showing on the spreadsheet – and “properly” on 
> both the wide and echo graphs.
> 
> Gary Myers
> K9RX

Set up Echo mode as described in the paper referenced above.  Be sure to 
check Doppler tracking on the Astronomical Data window, and select "Own 
Echo" for Doppler Tracking mode.  Your echo should always be centered at 
frequency offset 0.  SNR values are accurate and reliable.

-- 73, Joe, K1JT

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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[Joe Taylor via wsjt-devel]

Hi Gary,

On 2/22/2023 10:28 AM, K9RX via wsjt-devel wrote:

I like to use ECHO to test the station on 6M EME.

But the latest version has changed enough I was wondering if there was a 
short help file for it?


Better than a short help file: there's a full paper about Echo mode. 
See item #34 here: https://wsjt.sourceforge.io/refs.html .


Also: The Echo graph will at times show the echo centered – and other 
times show it offset. I have a jpg showing a recent echo run where the 
echo was very strong – and it was showing it as the right numeric 
doppler shift, 96 Hz, but it was showing it on the graph as -96Hz and 
there was no SNR value reported (-99.0 shown). You can see the echo on 
the wide graph – you can see the echo on the echo graph – but both have 
it lower than it should be…


A few minutes earlier I had 2 echos at -14.6 and others in to the low 
20’s – these were all showing on the spreadsheet – and “properly” on 
both the wide and echo graphs.


Gary Myers
K9RX


Set up Echo mode as described in the paper referenced above.  Be sure to 
check Doppler tracking on the Astronomical Data window, and select "Own 
Echo" for Doppler Tracking mode.  Your echo should always be centered at 
frequency offset 0.  SNR values are accurate and reliable.


-- 73, Joe, K1JT


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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[K9RX via wsjt-devel]

Thank you – I’ll look this over to see if it addresses the echo appearing 
differently in both the wide and echo graph. 

Gary 


Sent from Mail for Windows

From: Charles Suckling via wsjt-devel
Sent: Wednesday, February 22, 2023 10:53 AM
To: WSJT software development
Cc: Charles Suckling
Subject: Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

Hi Gary

Have a look at these, which will hopefully help.

https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf
http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html

73

Charlie DL3WDG


On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel 
 wrote:
I like to use ECHO to test the station on 6M EME. 
 
But the latest version has changed enough I was wondering if there was a short 
help file for it? 
 
Also: The Echo graph will at times show the echo centered – and other times 
show it offset. I have a jpg showing a recent echo run where the echo was very 
strong – and it was showing it as the right numeric doppler shift, 96 Hz, but 
it was showing it on the graph as -96Hz and there was no SNR value reported 
(-99.0 shown). You can see the echo on the wide graph – you can see the echo on 
the echo graph – but both have it lower than it should be… 
 
A few minutes earlier I had 2 echos at -14.6 and others in to the low 20’s – 
these were all showing on the spreadsheet – and “properly” on both the wide and 
echo graphs. 
 
Gary Myers
K9RX
 
 
Sent from Mail for Windows
 
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Re: [wsjt-devel] Possible issue with ECHO mode - 2.6.0

[Charles Suckling via wsjt-devel]

Hi Gary

Have a look at these, which will hopefully help.

https://wsjt.sourceforge.io/Echo_Mode_in_WSJT-X_2.6.0.pdf
http://www.bobatkins.com/radio/EME_WSJTX_echo_mode_basic_guide.html

73

Charlie DL3WDG


On Wed, 22 Feb 2023 at 16:37, K9RX via wsjt-devel <
wsjt-devel@lists.sourceforge.net> wrote:

> I like to use ECHO to test the station on 6M EME.
>
>
>
> But the latest version has changed enough I was wondering if there was a
> short help file for it?
>
>
>
> Also: The Echo graph will at times show the echo centered – and other
> times show it offset. I have a jpg showing a recent echo run where the echo
> was very strong – and it was showing it as the right numeric doppler shift,
> 96 Hz, but it was showing it on the graph as -96Hz and there was no SNR
> value reported (-99.0 shown). You can see the echo on the wide graph – you
> can see the echo on the echo graph – but both have it lower than it should
> be…
>
>
>
> A few minutes earlier I had 2 echos at -14.6 and others in to the low 20’s
> – these were all showing on the spreadsheet – and “properly” on both the
> wide and echo graphs.
>
>
>
> Gary Myers
>
> K9RX
>
>
>
>
>
> Sent from Mail  for
> Windows
>
>
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> wsjt-devel mailing list
> wsjt-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/wsjt-devel
>
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[wsjt-devel] Possible issue with ECHO mode - 2.6.0

[K9RX via wsjt-devel]

I like to use ECHO to test the station on 6M EME. 

But the latest version has changed enough I was wondering if there was a short 
help file for it? 

Also: The Echo graph will at times show the echo centered – and other times 
show it offset. I have a jpg showing a recent echo run where the echo was very 
strong – and it was showing it as the right numeric doppler shift, 96 Hz, but 
it was showing it on the graph as -96Hz and there was no SNR value reported 
(-99.0 shown). You can see the echo on the wide graph – you can see the echo on 
the echo graph – but both have it lower than it should be… 

A few minutes earlier I had 2 echos at -14.6 and others in to the low 20’s – 
these were all showing on the spreadsheet – and “properly” on both the wide and 
echo graphs. 

Gary Myers
K9RX


Sent from Mail for Windows

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