Date   

Segment loss and Tellique Software version

Robert Moore
 

I have had a very large number of missed segments this morning - enough to make
the system almost unusable. Virtually no wind.
Signal quality has dropped to 60 per cent and SNR to 9.3 (from 10)
Anyone else had this problem today?

Am using Tellique version 2.3.0a

Robert




Quoting David Taylor <david-taylor@...>:

What version of the Tellique software are you all running?
2.3.1 (200308111316300)

David



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------------------------------
Professor Robert Moore
Department of Sociology, Social Policy
and Social Work Studies
The University of Liverpool
Eleanor Rathbone Building
Bedford Street South
Liverpool
L69 7ZA

tel and fax: 44 (0) 1352 714456


Re: Tellique Software version?

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

What version of the Tellique software are you all running?
2.3.1 (200308111316300)

David


Re: Tellique Software version?

Trevor Davies <g0jix@...>
 

John

SNAP!


73 de Trevor G0JIX
All mail scanned with Norton.

----- Original Message -----
From: Alan Sewards
To: MSG-1@...
Sent: Friday, November 07, 2003 10:46 AM
Subject: Re: [MSG-1] Tellique Software version?


John,]
The one that gives the version 2.3.0a on the HTML shell program.

Best regards - Alan

----- Original Message -----
From: "John Parkins" <kvp@...>
To: "MSG-1 Mailing List" <MSG-1@...>
Sent: Friday, November 07, 2003 11:40 AM
Subject: [MSG-1] Tellique Software version?


> Hello,
>
> What version of the Tellique software are you all running?
>
> I'll explain when I had some response.
>
>
>
> --
> Best regards,
> John mailto:kvp@...
>
>
>
>
> To unsubscribe from this group, send an email to:
> MSG-1-unsubscribe@...
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
>



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Re: Tellique Software version?

Alan Sewards <alan.sewards@...>
 

John,]
The one that gives the version 2.3.0a on the HTML shell program.

Best regards - Alan

----- Original Message -----
From: "John Parkins" <kvp@...>
To: "MSG-1 Mailing List" <MSG-1@...>
Sent: Friday, November 07, 2003 11:40 AM
Subject: [MSG-1] Tellique Software version?


Hello,

What version of the Tellique software are you all running?

I'll explain when I had some response.



--
Best regards,
John mailto:kvp@...




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Re: Missing segments

Alan Sewards <alan.sewards@...>
 

Hi Guy,
I did have Task Manager and Performance Monitor running while I did
this. There was no perceptible change in Processor load when setup4pc was
opened, nor when Status was clicked, but the Commit Charge did increase
slightly in each case (408 MB to 414 MB to 433 MB). With MDM running, the
processor load is almost completely dominated by MDM, reaching peaks of 100%
every few seconds as it is called upon to do the wavelet transform. then at
the end of the cycle, the number of pages/second and the disk queue take off
for a few seconds when the file saves are done.
One possible cause of these problems might be the interrupt handling of
the DVB card. If this is not treated as a priority, it is feasible that
problems could arise. MDM can be set to assume a lower priority and I have
got it set that way, but no other programs have this feature that I know of.

Best regards - Alan

----- Original Message -----
From: "Guy Martin" <agm@...>
To: <MSG-1@...>
Sent: Thursday, November 06, 2003 9:54 AM
Subject: Re: [MSG-1] Re:Missing segments


It might be interesting to have task manager running while you play around
to see what it happening to processor useage.

Cheers, Guy

----- Original Message -----
From: Alan Sewards
To: MSG-1@...
Sent: Thursday, November 06, 2003 8:20 AM
Subject: Re: [MSG-1] Re:Missing segments


I'm glad to see Arne's reply to these posts as I also do not have
problems
if I run setup4pc. In fact, the other evening, I spent about half an
hour
playing with the program, trying to use the "tune" function, and I
suffered
no data losses at all. It may depend on how much spare power the receive
PC
has available, if opening Explorer can do it, perhaps other program can
take
enough to lose data. Anyway, its not a given that running setup4pc
results
in data loss.

Best regards - Alan
(Single PC system, Athlon 2400, 1 GB RAM, pc333.)

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Tellique Software version?

John Parkins <kvp@...>
 

Hello,

What version of the Tellique software are you all running?

I'll explain when I had some response.



--
Best regards,
John mailto:kvp@...


Re: Missing Segments

Peter Benney <tugboat@...>
 

Have you been trying any software that might adjust internal windows and/or
tcp settings?
Roger,

Sometime ago we experimented with changes in the Tcp Window Size and like Arne I did not reset the values afterwards. I have a setting of 770880.

It would be useful if someone with a newly installed card could post the XP default settings for the B2C2 Broadband Receiver adapter. As far as I can recall my setting should be the default other than the TCP Window size.

Regards,

Peter


Re: Missing Segments

Roger Mawhinney <roger@...>
 

Peter
This rings a bell - sometime ago I tried an ADSL speed up program to
optimise my Internet settings. However, it was also trying to change the
TCP setting for the DVB card so I deinstalled it. Have you been trying any
software that might adjust internal windows and/or tcp settings?
Roger

|

|-----Original Message-----
|From: Peter Benney [mailto:tugboat@...]
|Sent: 06 November 2003 21:56
|To: MSG-1@...
|
|> If so did you disable firewall and internet connection sharing ?
|
|Hello Arne,
|
|The XP firewall and connection sharing is disabled and have
|not seen this behaviour before. The previous periods of
|segment loss did not involve the IP address.
|
|As a matter of interest what value do you have for your TCP
|Receive Window?
|
|Thanks for the troubleshooting link.
|
|Regards,
|
|Peter
|
|
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Re: Dish

a_van_belle
 

--- In MSG-1@..., johnrigsec@a... wrote:
Question.
Is the modern LNB specifically designed (geometrically) to work
with an (elliptical) offset dish?
Or, can you also place it at the focal point of a prime focus dish?
John, Offset dishes may look elliptical but seen from the sat (or
from the LNB) they are ROUND !

Modern LNB's are only suited for offset dishes. The feedhorn is
different to get a smaller beamwidth, compared to most prime focus
dishes with F/D=0.5 (offsets have F/D of 0.6 to 0.7).

You can put a modern LNB in the focus of a prime focus dish, but you
will only use 40 to 60% of its surface, giving low signal level.

With Eumetcast on the low band (11096 Mhz) you may be able to find a
used "old type single band" LNB with a scalar feed ring assembly and
H/V servo mechanism or Ferrit H/V switcher.
But you will be shocked by the noise figure of these oldies, 1.3 to
1.8 was excellent these days !
Nowadays you have 0.6 to 0.7 dB for 1/5 of the price !

Another drawback of Prime focus is that they do gather snow !
At 1.7 Ghz this is no problem but 2 cm's of snow in the dish can make
your a 11096 MHz signal disappear completely.

Greetings,
Arne van Belle


Re: Missing Segments

a_van_belle
 

--- In MSG-1@..., "Peter Benney" <tugboat@g...> wrote:
As a matter of interest what value do you have for your TCP Receive
Window?
TcpWindowSize = 642400
GlobalMaxTcpWindowSize = 642400
Tcp1323Opts = 1

Don't know if these large values (640 Kb) really are set by W2K. I
played with these settings in the beginning but never saw my
available memory decrease ! A clean W2K install sets 16Kb, XP sets
default to 64 KB.
Lateron we discovered that the problem was caused at Eumetsat's
ground segment but I never did reset these values afterwards !


Did see a remark regarding the PC's powersupply (400 W required ?) on
Satsignal. But I use a MSI barebone system with only 135 watts PSU
and the old revision Skystar.

Greetings,
Arne van belle


Re: Missing Segments

Peter Benney <tugboat@...>
 

If so did you disable firewall and internet connection sharing ?
Hello Arne,

The XP firewall and connection sharing is disabled and have not seen this behaviour before. The previous periods of segment loss did not involve the IP address.

As a matter of interest what value do you have for your TCP Receive Window?

Thanks for the troubleshooting link.

Regards,

Peter


Re: Missing Segments

a_van_belle
 

--- In MSG-1@..., "Peter Benney" <tugboat@g...> wrote:
....The Tellique log was reporting (wrong interface address
192.168.238.238?)....

Hello Peter,

Looks like you have an IP conflict now and then. I guess the new TQ
won't be able to solve this.
Do you run XP ?
If so did you disable firewall and internet connection sharing ?

For XP right click on the Network option for the B2C2 Broadband
Receiver and click on the Properties option. Once the Properties
window appears, click on the Advanced tab. Verify that the Internet
Connection Firewall and Internet Connection Sharing options are NOT
checked.

As I run W2k (does not have buildin Firewall) I am not able to check
the tip above.

You can find more trouble shooting tips at:
http://download.isatplatform.com/Tech%
20Manual/06_TS_SatDirect_4163.pdf
beware of the broken link.

Please be cautious with this document, it does describe Internet over
DVB using C-band sat, Technistar-a-like card and a different TQ
version.
But it does have a good description on how to resolve the problem
that occurs if you have moved the card to another slot.
Browsing it you will see very familiar screens with just another
brand/name on it !

Greetings,
Arne van Belle

Today (Up to cycle 2045) I had only one missing segment;
Cycle 1800 MSG-ch05, seg 4 (could be a local problem over here)


Re: Missing Segments

Peter Benney <tugboat@...>
 

After perfect reception since Sunday afternoon I had a period of severe segment loss last night (5/11) between 2015 and 2115. The Tellique log was reporting (wrong interface address 192.168.238.238?). I suspect a red T icon was being displayed. The system returned to normal with no intervention.

Since 2115 yesterday I have had two lost segments
1330
Ch05, seg:5
Ch08, seg:5

Below a portion of the log showing one the wrong interface errors, there were also many "Lost Message" reports.

VRB:2003-11-05 20:18:13.856:Received new key 54173
VRB:2003-11-05 20:18:13.856:Received announcement for channel `EUMETSAT Data Channel 2', address 224.223.222.21:2511 (subscribed)
VRB:2003-11-05 20:18:14.169:Connecting to data channel `EUMETSAT Data Channel 2', address 224.223.222.21:2511 (invited)
ERR:2003-11-05 20:18:14.216:Failed to open data channel `EUMETSAT Data Channel 2', address 224.223.222.21:2511 (wrong interface address 192.168.238.238?)
MSG:2003-11-05 20:18:14.231:Disconnect from data channel `EUMETSAT Data Channel 2', address 224.223.222.21:2511 completed (channel closed)
VRB:2003-11-05 20:18:14.919:Received file 3fa959e900110b1d on channel `EUMETSAT Data Channel 3'
MSG:2003-11-05 20:18:14.966:File transmission 3fa959e900110b22 ended/interrupted: 4 files missing/incomplete.

I expect to receive version tqrecv 2.3.1 software tomorrow.


Fw: [SatSignal] Re: Getting worse!

Trevor Davies <g0jix@...>
 

----- Original Message -----
From: Trevor Davies
To: SatSignal@...
Sent: Thursday, November 06, 2003 6:12 PM
Subject: Re: [SatSignal] Re: Getting worse!


David,

Sorry,just read this after my latest posting which I suppose is misdirected.
73 de Trevor G0JIX
All mail scanned with Norton

Conor, I'm sorry to hear about your signal strength problems (yes,
the dish blowing away would not help!!!), but could we please keep
this group for self-help relating to my software, please.

The MSG-1 list would be a more appropriate place for discussion of
signal strength and missing segment issues.

http://groups.yahoo.com/group/MSG-1/

Thanks
David



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Re: Missing segments

Conor Delaney <Conor.Delaney@...>
 

I have just brought our receiving station off line, the signal strength has
dropped to less than 20%. We have had some wild weather here in Galway
(west of Ireland) so I presume that the dish has been nudged slightly (our
old dish blew off the roof). Our setup is as follows

Receiving Machine: PIII 500 windows 2000 128 megs ram + Technisat DVB
card
Storage Server: AlphaStation 233Mhz Linux and Samba
Processing Machine: P4 3.06Gigahertz HyperThreading

Any alternative thoughts on the cause of the signal strength drop would be
welcome

regards


Conor

-----Original Message-----
From: Ian S Deans [mailto:ian@...]
Sent: 06 November 2003 13:22
To: MSG-1@...
Subject: Re: [MSG-1] Re:Missing segments


Alan,

I do agree with you, but nevertheless it is still another consideration
for
those that are having unexplained segment loss. If there is one thing that
has become clear with receiving MSG on home computers, it is that there is
a
number of variables that can cause problems for some and not others. I
consider myself to be very lucky in that even with a fairly low spec.
computer ( Athlon 1200 -- 768mb ram ) I do not have any segment loss at my
end even when using the computer for my normal day to day use. I even
tried
playing a fairly high spec computer game ( without Data Manager ) with
data
coming in without loss.
However again last night I experimented with Setup4PC and found when I
opened it there was no data loss, but as soon as I opened status, problems
started. Still it is not a worry for me as I do not use Setup4PC when data
is coming in --- I am not interested in monitoring signal level.

Regards

Ian

----- Original Message -----
From: "Alan Sewards" <alan.sewards@...>
To: <MSG-1@...>
Sent: Thursday, November 06, 2003 8:20 AM
Subject: Re: [MSG-1] Re:Missing segments


> I'm glad to see Arne's reply to these posts as I also do not have
problems
> if I run setup4pc. In fact, the other evening, I spent about half an
hour
> playing with the program, trying to use the "tune" function, and I
suffered
> no data losses at all. It may depend on how much spare power the receive
PC
> has available, if opening Explorer can do it, perhaps other program can
take
> enough to lose data. Anyway, its not a given that running setup4pc
results
> in data loss.
>
> Best regards - Alan
> (Single PC system, Athlon 2400, 1 GB RAM, pc333.)



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Celestial event this weekend.

johnrigsec@...
 

Sorry all, off topic, but worth a look.

There will be a total eclipse of the Moon this weekend starting at 23:32 UTC
on
Saturday November 8th with totality from 01:06 to 01:31 and end of eclipse at
03:04
on November 9th.

This is the second total eclipse this year - hopefully the weather will be a
little
more co-operative this time - at least in SE England.

Regards,
John Tellick.


Re: Dish

johnrigsec@...
 

In a message dated 05-11-03 10:53:41 GMT Standard Time, tdavid@...
writes:

Hi

I have one of RIGs 1mtr dishes with the coffee can on the end, can this be
used for the reception of MSG, and if so what other items are required? It
seems a waste to get rid of it only to replace it with a smaller dish

regards

Trevor
All,

Trevor's original e-mail and Ian's reply got me thinking.
Firstly of course, you should have been able to use a coffee can (1.69 GHz)
feed
with MSG-1 dissemination but owing to that satellite's inability to
disseminate, via
direct reception, imaging is being disseminated via the EUMETCast DVB service
on
Hot Bird-6 at 13 deg. east (at Ku-Band) [and you can't use a coffee can!].
1.69 GHz MSG direct dissemination may not happen till MSG-3 - at least - I
understand, the Ku-band EUMETCast service continuing till at least that time.

Now I know I should know this, having been operational in satellite TV since
the
early 80's, but am not sure.
I suspect someone out there will be able to give the definitive answer.

When I began receiving C-band satellite TV back in the early 80's followed by
Ku-Band reception, I used prime focus dishes and head end feeds and equipment
designed for prime focus dishes.

When DTH took off, the offset dish and LNB took over from prime focus.
Now, the offset dish is elliptical and the LNB (at the focal point) is below
the dish
pointing up into it.

Question.
Is the modern LNB specifically designed (geometrically) to work with an
(elliptical)
offset dish?
Or, can you also place it at the focal point of a prime focus dish?

You can successfully mount two (or even three) LNB's on a fixed offset dish
(spaced
on the LNB arm) of say 85 cm to receive satellites at various locations.
In my case, currently, Astra at 19.2 E and Hot Bird at 13 deg. E.
I tried dangling a Ku-band LNB - slightly offset in azimuth, next to the
coffee can feed
of my 1 m Meteosat-7 dish (pointed at 0 deg.) just as an experiment and was
able to receive Hot Bird (analogue) TV transmissions from 13 deg. E at the same
time,
noise free.

So, does anyone know about the design of the modern Universal Ku-Band LNB
feed geometry?

Regards,
John Tellick.
RIG.


Celestial event this weekend.

johnrigsec@...
 

Sorry all, off topic, but worth a look.

There will be a total eclipse of the Moon this weekend starting at 23:32 UTC
on
Saturday November 8th with totality from 01:06 to 01:31 and end of eclipse at
03:04
on November 9th.

This is the second total eclipse this year - hopefully the weather will be a
little
more co-operative this time - at least in SE England.

Regards,
John Tellick.


Re: Missing segments

Ian S Deans <ian@...>
 

Alan,

I do agree with you, but nevertheless it is still another consideration for
those that are having unexplained segment loss. If there is one thing that
has become clear with receiving MSG on home computers, it is that there is a
number of variables that can cause problems for some and not others. I
consider myself to be very lucky in that even with a fairly low spec.
computer ( Athlon 1200 -- 768mb ram ) I do not have any segment loss at my
end even when using the computer for my normal day to day use. I even tried
playing a fairly high spec computer game ( without Data Manager ) with data
coming in without loss.
However again last night I experimented with Setup4PC and found when I
opened it there was no data loss, but as soon as I opened status, problems
started. Still it is not a worry for me as I do not use Setup4PC when data
is coming in --- I am not interested in monitoring signal level.

Regards

Ian

----- Original Message -----
From: "Alan Sewards" <alan.sewards@...>
To: <MSG-1@...>
Sent: Thursday, November 06, 2003 8:20 AM
Subject: Re: [MSG-1] Re:Missing segments


I'm glad to see Arne's reply to these posts as I also do not have problems
if I run setup4pc. In fact, the other evening, I spent about half an hour
playing with the program, trying to use the "tune" function, and I
suffered
no data losses at all. It may depend on how much spare power the receive
PC
has available, if opening Explorer can do it, perhaps other program can
take
enough to lose data. Anyway, its not a given that running setup4pc results
in data loss.

Best regards - Alan
(Single PC system, Athlon 2400, 1 GB RAM, pc333.)


Re: Missing segments

Guy Martin <agm@...>
 

It might be interesting to have task manager running while you play around to see what it happening to processor useage.

Cheers, Guy

----- Original Message -----
From: Alan Sewards
To: MSG-1@...
Sent: Thursday, November 06, 2003 8:20 AM
Subject: Re: [MSG-1] Re:Missing segments


I'm glad to see Arne's reply to these posts as I also do not have problems
if I run setup4pc. In fact, the other evening, I spent about half an hour
playing with the program, trying to use the "tune" function, and I suffered
no data losses at all. It may depend on how much spare power the receive PC
has available, if opening Explorer can do it, perhaps other program can take
enough to lose data. Anyway, its not a given that running setup4pc results
in data loss.

Best regards - Alan
(Single PC system, Athlon 2400, 1 GB RAM, pc333.)

----------

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