Re: [wsjt-devel] Decoding into the next minute

[Bill Somerville]

On 14/01/2016 00:07, Dave 'Doc' Corio wrote:
> Just tried uploading a .zip file containing a .jpg & .wav file but 
> file was rejected due to "file type". What format do I need ti use please?
Hi Doc,

easiest thing to do is upload the files to some free cloud storage 
service that allows sharing like Dropbox and then post links to the 
files here.

73
Bill
G4WJS.

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Re: [wsjt-devel] Decoding into the next minute

[Dave 'Doc' Corio]

Just tried uploading a .zip file containing a .jpg & .wav file but 
file was rejected due to "file type". What format do I need ti use please?


73
Doc
KB3MOW

Dave 'Doc' Corio
Vice President, McKean County American Legion Riders
http://legionriders.wix.com/americanlegion
Look Twice - Motorcycles are Everywhere!

On 1/13/2016 5:08 PM, Michael Black wrote:
I've noticed some extremely long decode times too lately using 
JT65+JT9.  I'll have to keep a close eye and record the wav files so 
perhaps we can figure out what's causing this.  Maybe you could do the 
same.


RRR
Mike W9MDB

On Wed, Jan 13, 2016 at 11:35 AM, Dave 'Doc' Corio 
> wrote:


 With the past several versions, since 6390, I have noticed
when in
JT9 mode on HF, the "Decode" indicator remains active into the next
minute. This varies between :03 and :33 seconds into the following
minute. There does not seem to be a pattern or even a similarity
between
one decode and another.

 This does not seem to affect the actual decoded signal, except to
perhaps delay it a couple of seconds. The decode indicator becomes
active at :50 into the minute and decoded text appears usually between
:53 and :58, however the decode indicator remains "lit" sometimes
up to
:33 of the following minute.

 I only see this anomaly when in JT9 mode. It does not occur
when in
JT65 or JT65+JT9. I have Decode set to "Fast", however it also happens
when Decode is set to "Normal".

 I do have different JT9 and JT65 frequencies set. For example, to
operate JT65 I use 14.07600, and for JT9 I use 14.077500 as VFO
frequencies, in order to place the JT9 signal closer to the center of
the passband of my SignaLink USB.

Tnx es 73
Doc
KB3MOW

--
Dave 'Doc' Corio
Vice President, McKean County American Legion Riders
http://legionriders.wix.com/americanlegion
Look Twice - Motorcycles are Everywhere!



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Re: [wsjt-devel] Decoding into the next minute

[Michael Black]

I've noticed some extremely long decode times too lately using JT65+JT9.
I'll have to keep a close eye and record the wav files so perhaps we can
figure out what's causing this.  Maybe you could do the same.

RRR
Mike W9MDB

On Wed, Jan 13, 2016 at 11:35 AM, Dave 'Doc' Corio 
wrote:

>  With the past several versions, since 6390, I have noticed when in
> JT9 mode on HF, the "Decode" indicator remains active into the next
> minute. This varies between :03 and :33 seconds into the following
> minute. There does not seem to be a pattern or even a similarity between
> one decode and another.
>
>  This does not seem to affect the actual decoded signal, except to
> perhaps delay it a couple of seconds. The decode indicator becomes
> active at :50 into the minute and decoded text appears usually between
> :53 and :58, however the decode indicator remains "lit" sometimes up to
> :33 of the following minute.
>
>  I only see this anomaly when in JT9 mode. It does not occur when in
> JT65 or JT65+JT9. I have Decode set to "Fast", however it also happens
> when Decode is set to "Normal".
>
>  I do have different JT9 and JT65 frequencies set. For example, to
> operate JT65 I use 14.07600, and for JT9 I use 14.077500 as VFO
> frequencies, in order to place the JT9 signal closer to the center of
> the passband of my SignaLink USB.
>
> Tnx es 73
> Doc
> KB3MOW
>
> --
> Dave 'Doc' Corio
> Vice President, McKean County American Legion Riders
> http://legionriders.wix.com/americanlegion
> Look Twice - Motorcycles are Everywhere!
>
>
>
> --
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> https://lists.sourceforge.net/lists/listinfo/wsjt-devel
>
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Re: [wsjt-devel] Decoding into the next minute

[Dave 'Doc' Corio]

 Thanks, Bill!

 Here is the link for the .zip file.

https://www.dropbox.com/s/dkkjkgxqyjmw9t2/KB3MOW_Decode.zip?dl=0

73
Doc
KB3MOW

Dave 'Doc' Corio
Vice President, McKean County American Legion Riders
http://legionriders.wix.com/americanlegion
Look Twice - Motorcycles are Everywhere!

On 1/13/2016 7:11 PM, Bill Somerville wrote:
> On 14/01/2016 00:07, Dave 'Doc' Corio wrote:
>> Just tried uploading a .zip file containing a .jpg & .wav file but
>> file was rejected due to "file type". What format do I need ti use please?
> Hi Doc,
>
> easiest thing to do is upload the files to some free cloud storage
> service that allows sharing like Dropbox and then post links to the
> files here.
>
> 73
> Bill
> G4WJS.
>
> --
> Site24x7 APM Insight: Get Deep Visibility into Application Performance
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>


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Re: [wsjt-devel] Decoding into the next minute

[Bill Somerville]

On 13/01/2016 17:35, Dave 'Doc' Corio wrote:
>   With the past several versions, since 6390, I have noticed when in
> JT9 mode on HF, the "Decode" indicator remains active into the next
> minute. This varies between :03 and :33 seconds into the following
> minute. There does not seem to be a pattern or even a similarity between
> one decode and another.
>
>   This does not seem to affect the actual decoded signal, except to
> perhaps delay it a couple of seconds. The decode indicator becomes
> active at :50 into the minute and decoded text appears usually between
> :53 and :58, however the decode indicator remains "lit" sometimes up to
> :33 of the following minute.
>
>   I only see this anomaly when in JT9 mode. It does not occur when in
> JT65 or JT65+JT9. I have Decode set to "Fast", however it also happens
> when Decode is set to "Normal".
>
>   I do have different JT9 and JT65 frequencies set. For example, to
> operate JT65 I use 14.07600, and for JT9 I use 14.077500 as VFO
> frequencies, in order to place the JT9 signal closer to the center of
> the passband of my SignaLink USB.
Hi Doc,

the issue is the behaviour of the JT9 decoder when there are JT65 
signals in the pass band. You can demonstrate this by switching to 
JT9+JT65 mode and setting the lowest JT9 frequency to 600Hz with that 
WAV file you have posted.

You need to either move up the band a bit to eliminate JT65 signals when 
operating JT9 or use dual mode and set the lowest JT9 frequency marker 
carefully.

The JT9 decoder may well get some attention once the current JT65 
improvements are put to bed but making it immune to disruption by JT65 
signals may not be feasible without actually doing most of the work that 
the JT65 decoder has to do before attempting JT9 decodes and that is not 
very practical.

73
Bill
G4WJS.

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Re: [wsjt-devel] Decoding into the next minute

[Dave 'Doc' Corio]

 Thanks for the explanation! That's a pretty easy fix at my end. 
I've found over time that my SignaLink USB has a bit of a high frequency 
issue when I try to use JT9 at the higher end of the passband, so moving 
the signals down helped in that regard. Simply moving them down a bit 
farther should eliminate that problem!

73
Doc

Dave 'Doc' Corio
Vice President, McKean County American Legion Riders
http://legionriders.wix.com/americanlegion
Look Twice - Motorcycles are Everywhere!

On 1/13/2016 7:51 PM, Bill Somerville wrote:
> On 13/01/2016 17:35, Dave 'Doc' Corio wrote:
>>With the past several versions, since 6390, I have noticed when in
>> JT9 mode on HF, the "Decode" indicator remains active into the next
>> minute. This varies between :03 and :33 seconds into the following
>> minute. There does not seem to be a pattern or even a similarity between
>> one decode and another.
>>
>>This does not seem to affect the actual decoded signal, except to
>> perhaps delay it a couple of seconds. The decode indicator becomes
>> active at :50 into the minute and decoded text appears usually between
>> :53 and :58, however the decode indicator remains "lit" sometimes up to
>> :33 of the following minute.
>>
>>I only see this anomaly when in JT9 mode. It does not occur when in
>> JT65 or JT65+JT9. I have Decode set to "Fast", however it also happens
>> when Decode is set to "Normal".
>>
>>I do have different JT9 and JT65 frequencies set. For example, to
>> operate JT65 I use 14.07600, and for JT9 I use 14.077500 as VFO
>> frequencies, in order to place the JT9 signal closer to the center of
>> the passband of my SignaLink USB.
> Hi Doc,
>
> the issue is the behaviour of the JT9 decoder when there are JT65
> signals in the pass band. You can demonstrate this by switching to
> JT9+JT65 mode and setting the lowest JT9 frequency to 600Hz with that
> WAV file you have posted.
>
> You need to either move up the band a bit to eliminate JT65 signals when
> operating JT9 or use dual mode and set the lowest JT9 frequency marker
> carefully.
>
> The JT9 decoder may well get some attention once the current JT65
> improvements are put to bed but making it immune to disruption by JT65
> signals may not be feasible without actually doing most of the work that
> the JT65 decoder has to do before attempting JT9 decodes and that is not
> very practical.
>
> 73
> Bill
> G4WJS.
>
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>


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[wsjt-devel] Decoding into the next minute

[Dave 'Doc' Corio]

 With the past several versions, since 6390, I have noticed when in 
JT9 mode on HF, the "Decode" indicator remains active into the next 
minute. This varies between :03 and :33 seconds into the following 
minute. There does not seem to be a pattern or even a similarity between 
one decode and another.

 This does not seem to affect the actual decoded signal, except to 
perhaps delay it a couple of seconds. The decode indicator becomes 
active at :50 into the minute and decoded text appears usually between 
:53 and :58, however the decode indicator remains "lit" sometimes up to 
:33 of the following minute.

 I only see this anomaly when in JT9 mode. It does not occur when in 
JT65 or JT65+JT9. I have Decode set to "Fast", however it also happens 
when Decode is set to "Normal".

 I do have different JT9 and JT65 frequencies set. For example, to 
operate JT65 I use 14.07600, and for JT9 I use 14.077500 as VFO 
frequencies, in order to place the JT9 signal closer to the center of 
the passband of my SignaLink USB.

Tnx es 73
Doc
KB3MOW

-- 
Dave 'Doc' Corio
Vice President, McKean County American Legion Riders
http://legionriders.wix.com/americanlegion
Look Twice - Motorcycles are Everywhere!


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