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Re: PCI  card overheating question

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

At about 14:00 I restarted the computer and software and it all
started working. On reading the MSG-1 newsgroup I found lots of
other people were having the same problem (32 related messages in 3
days) and It seems to me that we all got our systems back at about
the same time.

So the question I have is this: were the problems all related to
overheating? It had been hot before without such a lot of failure.
Or were the problems to do with the server upgrades announced by
Eumetsat earlier?

My system is now working with almost complete reliability. Maybe
because it has much improved ventilation. Is anyone still having
overheating problems which started last week? Did anyone else notice
this pattern of events?

I have not installed any updates to software .

Apologies if this is too far fetched or off topic,
Paul,

As it is to do with receiving MSG-1 data, it's not off-topic.

I had a lot of missing segments from about 0600 UTC on Sep 14 (Sun)
to about 1200 on Sep 16 (Tue) which I can't really explain by signal
strength or computer issues, which only leaves the dissemination.
No computer crashes, though. I, too, have the original software. I
am just left with a nagging doubt, as few other people seem to have
had exactly the same high-loss period as myself.

Cheers,
David


Re: PCI  card overheating question

Thomas Findlay <tom@...>
 

Hello Paul, David ...

I noticed your exchange and would like to add something that could be
relevant and would also apply to the previous exchanges on system
unreliability.

In the past, I have suffered from introducing excess static charges
within PCs through the use of non-grounded (not specifically designed
for PC type) fans. When it happened first time I was pretty puzzled as
the fault turned out to be a zapped DIMM in what had been for a very
long time previous to that, a rock-steady system. I'm just cautioning
on the potential over-use of unconventional cooling methods, which in
combination with other bad habits that we sometimes adopt like leaving
the covers off, can work against us in unexpected ways.

Regards ... Tom.

******************************************************************
Thomas Findlay - GM4DOZ
37 Adamton Road North, Prestwick, Scotland, KA9 2HY
Tel: +44 1292 671807 Fax: +44 1292 677840
******************************************************************

-----Original Message-----
From: David Taylor [mailto:david-taylor@...]
Sent: 19 September 2003 11:04
To: MSG-1@...
Subject: [MSG-1] Re: PCI  card overheating question


At about 14:00 I restarted the computer and software and it all
started working. On reading the MSG-1 newsgroup I found lots of
other people were having the same problem (32 related messages in 3
days) and It seems to me that we all got our systems back at about
the same time.

So the question I have is this: were the problems all related to
overheating? It had been hot before without such a lot of failure.
Or were the problems to do with the server upgrades announced by
Eumetsat earlier?

My system is now working with almost complete reliability. Maybe
because it has much improved ventilation. Is anyone still having
overheating problems which started last week? Did anyone else notice
this pattern of events?

I have not installed any updates to software .

Apologies if this is too far fetched or off topic,
Paul,

As it is to do with receiving MSG-1 data, it's not off-topic.

I had a lot of missing segments from about 0600 UTC on Sep 14 (Sun)
to about 1200 on Sep 16 (Tue) which I can't really explain by signal
strength or computer issues, which only leaves the dissemination.
No computer crashes, though. I, too, have the original software. I
am just left with a nagging doubt, as few other people seem to have
had exactly the same high-loss period as myself.

Cheers,
David



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Re: MDD Reader - new experimental program

Mohsin Meghji
 

David, What are GTS files?

-----Original Message-----
From: David Taylor [mailto:david-taylor@...]
Sent: 19 September 2003 10:06
To: MSG-1@...
Subject: [MSG-1] MDD Reader - new experimental program

For those of you who are getting the GTS files from MSG-1, there is
a new experimental program to read either a single GTS file or an
entire folder full and extract the multiple MDD messages contained
therein. You can download the program from the Download section of
the MSG Data Manager page:

http://www.satsignal.net => Satellite Tools, MSG Data Manager

If you are not receiving GTS files there is no point in looking at
this software. If you _are_ getting GTS files, I do have an update
to the MSG Data Manager which will move these files from the
Receiver PC to the Processing PC.

Cheers,
David




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Re: MDD Reader - new experimental program

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

David, What are GTS files?
As I already said, ones with MDD messages! World met data in text
and graphical format for national Met Office consumption. Sorry,
but I can't quickly find a good Internet reference for you.

Check in your Tellique log files for the string GTS to see if you
are getting the data.

Cheers,
David


Re: MDD Reader - new experimental program

Guy Martin <agm@...>
 

I didn't think that 'End Users' or whatever group we are in ( there was lots of discussion) had access to MDD, only proffessional users ?

Cheers, Guy

----- Original Message -----
From: David Taylor
To: MSG-1@...
Sent: Friday, September 19, 2003 8:04 PM
Subject: [MSG-1] Re: MDD Reader - new experimental program


> David, What are GTS files?

As I already said, ones with MDD messages! World met data in text
and graphical format for national Met Office consumption. Sorry,
but I can't quickly find a good Internet reference for you.

Check in your Tellique log files for the string GTS to see if you
are getting the data.

Cheers,
David


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Re: MDD Reader - new experimental program

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "Guy Martin" <agm@t...> wrote:
I didn't think that 'End Users' or whatever group we are in (
there was lots of discussion) had access to MDD, only proffessional
users ?

You are right - but some people did get the files, and therefore
might like to view the contents.

Cheers,
David


Re: MSG users equipment survey.

Guy Martin <agm@...>
 

Hello John,

Attached is a brief spec for my receive system and comments.

Regards, Guy

----- Original Message -----
From: johnrigsec@...
To: MSG-1@... ; rig-l@.... ; WXSAT-L@...
Sent: Thursday, September 18, 2003 7:58 PM
Subject: [MSG-1] MSG users equipment survey.


All,

We are just over halfway in the planned trial period for MSG dissemination
via
EUMETCast over Hot Bird 6.
The C-Band trial period of EUMETCast is about to begin, though I suspect this
might be shorter owing to the experiences gained during the Ku-Band trials.

At the same time of course MSG-1 itself is undergoing commissioning as is the
MSG Ground Segment for this new all digital satellite.
Owing to the problem with one of MSG-1's SSPA's and the doubt over the
viability
of the remaining SSPA's EUMETSAT have had to adopt a brand new (for weather
satellites - and a pointer to the future(?)) mode of dissemination - DVB.

Quite a few of you are taking part in the EUMETCast trials and I know
EUMETSAT
are very grateful for the technical feedback you are providing.

A good example - if I may say so - where amateurs can be of assistance to the

professionals.

Coming up are a couple of new services added to the data stream which I
believe
we will not have access to and of course encryption will gradually be tested
from
around the end of September.

Reading rig-l and MSG-1 newsgroups and talking to several users at last
weekends
de Kunstmaan meeting in Holland [which was brilliant] it appears users are
'using'
computers of 'all shapes and sizes.'

I believe it would therefore be interesting and useful to get some feedback
as to
what you are using to receive Ku-Band EUMETCast.
Such as:

Dish size. [LNB's are all pretty much the same these days so not important.]
Card/USB Box - make and version.
Computer - CPU, Intel/Athlon - speed.
RAM.
HD capacity.
Graphics card - on board memory.

Two computer set up and its make-up?

And, very briefly, a list of any problems encountered.

Oh, and are you a RIG member?

If you would be good enough to spare a bit of time to forward this
information to me
please send it direct to me - johnrigsec@... and not post it to and clog
up the
newsgroups, I would be very grateful.

I will generate a document listing, I suspect, the diverse specs. of
equipment in use.

Regards,
John Tellick.
RIG secretary.



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apologies

Guy Martin <agm@...>
 

Sorry, sent survey to the wrong place

Guy

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Peculiar speckles on animator

James Brown <james@...>
 

Just noticed today that on the North Atlantic IR animation with borders set to inverse, a few strange speckles come up in central Europe specially. Just wondering what might be the cause. It doesn't happen with any other settings.

Anyone else care to check and see what they are getting before I investigate graphic drivers and the like!!

Cheers,

James
--
James Brown


Re: Peculiar speckles on animator

Sam Elsdon <sam.elsdon@...>
 

James

They are a remnant of country borders which vanish when using inverse
boundaries. As David explained to me, the coastal outlines and the country
outlines are treated separately and the process of exclusive ORing causes
the country outlines to disappear. But clearly, a few pixels remain. The
coastal boudaries are unaffected.

Don't worry, it is not your graphics card.

Regards
Sam

----- Original Message -----
From: "James Brown" <james@...>
To: <MSG-1@...>
Sent: Saturday, September 20, 2003 8:09 PM
Subject: [MSG-1] Peculiar speckles on animator


Just noticed today that on the North Atlantic IR animation with borders
set to inverse, a few strange speckles come up in central Europe
specially. Just wondering what might be the cause. It doesn't happen
with any other settings.

Anyone else care to check and see what they are getting before I
investigate graphic drivers and the like!!

Cheers,

James
--
James Brown


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Re: Peculiar speckles on animator

James Brown <james@...>
 

In message <004b01c37fae$69127440$0192fea9@Main>, Sam Elsdon <sam.elsdon@...> writes
James

They are a remnant of country borders which vanish when using inverse
boundaries. As David explained to me, the coastal outlines and the country
outlines are treated separately and the process of exclusive ORing causes
the country outlines to disappear. But clearly, a few pixels remain. The
coastal boudaries are unaffected.

Don't worry, it is not your graphics card.

Regards
Sam
Many thanks Sam - understood. Won't try updating drivers!

Cheers,

James
--
James Brown


delete first image in animation

Guy Martin <agm@...>
 

Hi All,

I want to delete the first picture in an animate series, it's only half a frame. I vaguely remember discussion on this but can't find it in my saved e-mails. I thought I would set the time limits to do this but they don't go far enough, also you can't over-type when blue, you must use the drop down box. Any ideas ?

Cheers, Guy

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Re: delete first image in animation

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

I want to delete the first picture in an animate series, it's only
half a frame.

Guy, delete the bad JPEG and the cached bitmap in &#92;images&#92;temp and
update the animation.

David


Re: delete first image in animation

Guy Martin <agm@...>
 

Many thanks David, that fixed it.

Cheers, Guy

----- Original Message -----
From: David Taylor
To: MSG-1@...
Sent: Sunday, September 21, 2003 10:48 AM
Subject: [MSG-1] Re: delete first image in animation


> I want to delete the first picture in an animate series, it's only
half a frame.

Guy, delete the bad JPEG and the cached bitmap in &#92;images&#92;temp and
update the animation.

David


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Re: MSG-1 user equipment survey.

johnrigsec@...
 

All,

Just to say many thanks to all those who have already responded, specs are
flooding in and I'm beginning to wonder what I've let myself in for.

No, seriously, we started off with the EUMETSAT recommended system
specification which looked a bit daunting for many.
But amateurs have shown that very good results can be achieved with lower
spec.
systems.
I hope your feedback will be a useful pointer as to just what can be achieved
with
lesser spec. systems.
However, we are not into full 'operational status' yet.

At the moment I'm just filing responses till I have a block of time to read
and
collate them.

I hope you will forgive me at the moment in not responding directly to all
who
have responded.

Regards,
John Tellick.


Equipment for receiving MSG-1

Alan Sewards <alan.sewards@...>
 

While John is busy collating the inputs from those who have participated in
the MSG-1 dissemination trials, I thought it might be of interest to
question some of the basic assumptions. The main one of these is that one
needs to have two computers, one for the reception function and one for the
decoding. Because I only had one, I had to make do with it for all
functions, and in doing so I expected I would lose some of the data.
However, as time has gone on, I have begun to realise that any data that
might have been lost due to possible overload of the single computer is
insignificant compared with data lost from other sources associated with the
dissemination trials. In fact, I did a test overnight where I stopped the
MSG DM and then restarted it at 0500UTC, so it had about 12 hours of
captured data to process, which is does in what I call 'catch-up' mode, that
is running flat out with the CPU utilization running around 80-100% on a
continuing basis. It took about two hours to process all the stored data
and, as far as I could tell by a visual inspection of the thumbnails, there
were no missing segments in either the period of stored data or in data
captured during the catch-up processing. This leads me to suspect that a
single computer is all that is needed for MSG reception, provided of course
that it has sufficient power. I should note here that I only collect seven
of the 12 HRIT channels, all the LRIT and FSD, so I do not have a full load.
I may try an experiment of collecting the full set and see if that makes any
difference. My computer is nothing special, 1800 Athlon, with 512 MB.
Because I have had great difficulty in getting two computers running
Windows XP to network properly, I am seriously considering departing from
the two-computer concept and sticking with a single one for MSG, and I feel
pretty confident that it will work. Anyone else had similar thoughts? Should
we do some serious tests to find out if two computers are really necessary?

Best regards - Alan

Alan Sewards
email: alan.sewards@...
web site: http://asewards.free.fr


Did you get missing segments on 2003 September 20?

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

Did you get any missing segments on 2003 September 20 for the 2015
cycle?

It seems that some people did and some did not, so I would be
interested in knowing what the patter was. If you are running the
current MSG Data Manager (i.e. V1.2.0 or higher), could you please
take a moment to activate the Tools, Missing segments report...
menu. From the Choose a day, select September 20.

In the Missing segments list, do you have any missing segments
listed for scan/cycle 2015? Please don't report any other missing
segments. I am interested in both positive and negative reports,
i.e. please report whether you got any missing segments for that
cycle or not.

Let's not clutter the list - send reports to
davidtaylor@... - and I will summarise the results.

(If you don't have a Missing segments report menu item, time to
upgrade now!).

Many thanks,
David


Re: Equipment for receiving MSG-1

Guy Martin <agm@...>
 

I don't believe the Rx machine needs to be anything special, I use an Abit KT7 with a Duron 800 and its just cruising along consuming minimal resources. However when data arrives it does need to deal with it instantly and not be held up by MDM decompressing or saving, it needs a 'non maskable interrupt' in effect and MDM provides a tick box to do just this. I use a Gigabyte GA7VKML with an Athlon 1200 in the display machine and the processor goes to 100% when MDM is dealing with data and uses about 322/512 Mb of RAM. I really need a faster machine for this application although having said that it does work ok with no dropped segments. A serious spec machine may function well as a single unit and a lower grade machine could receive data and decompress/display alternately. It is always important to turn off services that you don't need and which consume resources as vanilla installs come with everything turned on. Regarding XP, I'm a Win2K man and not yet happy with XP when used outside of MS products.

Cheers, Guy

----- Original Message -----
From: Alan Sewards
To: MSG-1@...
Sent: Monday, September 22, 2003 8:17 AM
Subject: [MSG-1] Equipment for receiving MSG-1


While John is busy collating the inputs from those who have participated in
the MSG-1 dissemination trials, I thought it might be of interest to
question some of the basic assumptions. The main one of these is that one
needs to have two computers, one for the reception function and one for the
decoding. Because I only had one, I had to make do with it for all
functions, and in doing so I expected I would lose some of the data.
However, as time has gone on, I have begun to realise that any data that
might have been lost due to possible overload of the single computer is
insignificant compared with data lost from other sources associated with the
dissemination trials. In fact, I did a test overnight where I stopped the
MSG DM and then restarted it at 0500UTC, so it had about 12 hours of
captured data to process, which is does in what I call 'catch-up' mode, that
is running flat out with the CPU utilization running around 80-100% on a
continuing basis. It took about two hours to process all the stored data
and, as far as I could tell by a visual inspection of the thumbnails, there
were no missing segments in either the period of stored data or in data
captured during the catch-up processing. This leads me to suspect that a
single computer is all that is needed for MSG reception, provided of course
that it has sufficient power. I should note here that I only collect seven
of the 12 HRIT channels, all the LRIT and FSD, so I do not have a full load.
I may try an experiment of collecting the full set and see if that makes any
difference. My computer is nothing special, 1800 Athlon, with 512 MB.
Because I have had great difficulty in getting two computers running
Windows XP to network properly, I am seriously considering departing from
the two-computer concept and sticking with a single one for MSG, and I feel
pretty confident that it will work. Anyone else had similar thoughts? Should
we do some serious tests to find out if two computers are really necessary?

Best regards - Alan

Alan Sewards
email: alan.sewards@...
web site: http://asewards.free.fr



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Re: Did you get missing segments on 2003 September 20?

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "David Taylor" <david-taylor@b...>
wrote:
Did you get any missing segments on 2003 September 20 for the 2015
cycle?
One more thing, could you give your location (general area is
enough) when writing, please? To repeat, negative reports are
equally important!

Thanks,
David


Re: Did you get missing segments on 2003 September 20?

Douglas Deans <douglas@...>
 

----- Original Message -----
From: "David Taylor" <david-taylor@...>
To: <MSG-1@...>
Sent: Monday, September 22, 2003 11:58 AM
Subject: [MSG-1] Re: Did you get missing segments on 2003 September 20?


--- In MSG-1@..., "David Taylor" <david-taylor@b...>
wrote:
Did you get any missing segments on 2003 September 20 for the 2015
cycle?
One more thing, could you give your location (general area is
enough) when writing, please? To repeat, negative reports are
equally important!

Thanks,
David

My 20th images are long gone but the missing segment report suggests that
segments 7 and 8 were missing for channels 1-11 and 17-24 were missing for
the HRV channel for the 20.15 scan.

Hope that helps

Regards
Douglas.