Date   

Re: Pytroll/SatPy for EUMETCast

Ernst Lobsiger
 

On Wed, Dec 2, 2020 at 03:33 AM, Graham Woolf wrote:
Hi Ernst

Re I now also asked the Sentinels to have an eye on that.

How have you done that ? Do you have a python script for Sentinel too ?

I take that data  but only process individual segments as they arrive so nothing fancy

Regards

Graham
Graham,

here is the Python equivalent of what I do with bash and SNAP 4.0 convert. You can integrate that in your Python Sentinel processing script to look for special images.

Cheers,
Ernst


Re: Settings for HVS-1 & 2

Ernst Lobsiger
 

Peter,

Please look on page 10 ff

https://www-cdn.eumetsat.int/files/2020-04/pdf_td15_eumetcast.pdf

Regards,
Ernst


Settings for HVS-1 & 2

diogenes1@...
 

Hello All,
Could someone please confirm, or otherwise, the following settings.

HVS-1 frequency 11263 MHz, horizontal polarisation, ModCodes 16 APSK_2/3, GoldCode 0
HVS-2 frequency 11388 MHz, the rest as above.

Thank you Peter.
Mono no aware (物の哀れ)

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Re: Pytroll/SatPy for EUMETCast

Hugo
 

Hi,

I uploaded 6 images from Metop of the A-68A iceberg ( 2 oct,  15 oct, 1 nov, 15 nov, 1 dec , 2 dec  2020) in a perpective projection.
Interesting to see the speed of that iceberg .... (https://www.flickr.com/photos/137270544@N02/)

grts,

Hugo


Re: Pytroll/SatPy for EUMETCast

Ernst Lobsiger
 

On Wed, Dec 2, 2020 at 03:33 AM, Graham Woolf wrote:
take that data  but only process individual segments as they arrive so nothing fancy
Hi Graham

First of all todays image is even better looking. It's a central pass over South Georgia and a cloud free view on the iceberg.

I also process every segment of the Sentinels-3A/3B. I still use SNAP 4.0 convert. But as in the python scripts I can set a POI
or even a list of POIs. These images are then hard linked in a special directory and are not deleted after a while like all others.
This is still a bash script but it should be easy to implement that with the range search code I use in all LEO satellite satpy scripts.

Regards,
Ernst


Re: Pytroll/SatPy for EUMETCast

Graham Woolf
 

Hi Ernst

Re I now also asked the Sentinels to have an eye on that.

How have you done that ? Do you have a python script for Sentinel too ?

I take that data  but only process individual segments as they arrive so nothing fancy

Regards

Graham


Re: Pytroll/SatPy for EUMETCast

Ernst Lobsiger
 

On Wed, Dec 2, 2020 at 03:18 AM, Graham Woolf wrote:
Hi Ernst

Lovely image - what centre co-ordinates or  lat/long did you use

Regards

Graham
Hi Graham,

I used google earth to find South Georgia :-):

lat = -54.32
lon = -36.74
ran = 10.0

I now also asked the Sentinels to have an eye on that.

Cheers,
Ernst






Re: Pytroll/SatPy for EUMETCast

Graham Woolf
 

Hi Ernst

Lovely image - what centre co-ordinates or  lat/long did you use

Regards

Graham


Re: Pytroll/SatPy for EUMETCast

Ernst Lobsiger
 

Hi All

After I saw the images of the A68a iceberg heading to South Georgia that Douglas Deans has put on Twitter I gave Metop a try.

Cheers,
Ernst


Re: TBS IP replacement

Ernst Lobsiger
 

On Tue, Dec 1, 2020 at 06:58 AM, Giftmacher wrote:
Great, thank you, I'll give it a try.
Giftmacher,

if you havn't found BDADataEx yet, look here:

https://groups.io/g/MSG-1/message/29750

Ernst


Re: TBS IP replacement

Giftmacher
 

Great, thank you, I'll give it a try.


Re: TBS IP replacement

Ernst Lobsiger
 

Giftmacher

More or less everybody under Windows uses CrazyCat's BdaDataEx. I'm under GNU/Linux. No idea where you get the latest version. Search this list.

Ernst


TBS IP replacement

Giftmacher
 

Hi all, is there any better IP tool than TBS IP? Both versions I tried crashes to desktop after few hours of use.


Re: TBS6903X and TBS6909X ready for EUMETCast under GNU/Linux

Ernst Lobsiger
 

Dear All

I am pleased to report 30 days performance figures of my GNU/Linux receiver Kallisto. It's a Fujitsu Celsius Xeon with a TBS-6909X receiving all 3 services using a RAM disk.
We had a rather dry November and Kallisto has not lost a single packet. I cannot remember to have had such figures ever since we changed from DVB-S to DVB-S2 in 2014.

Cheers,
Ernst


P.S. Please compare: 

http://www.satsignal.eu/mrtg/performance_eumetcast-europe_losses.php?period=month


Re: Help in the beginning

Ernst Lobsiger
 

On Sun, Nov 29, 2020 at 04:12 AM, Giftmacher wrote:
Today I'm using only BAS, but again missing parts errors appeared. I started to suspect the coaxial
cable, which is Televes T100, which seems to be intended for 2-3 GHz.
Giftmacher

It's not enough to use only BAS by starting just a BAS client. You have to set a MODCOD filter to prevent HVS-1 from even reaching your PC.
Missing keys are often due to an EKU problem. Put the receiver and EKU in USB2 sockets. Maybe try different USB2 sockets (rear and front).

Regards
Ernst






Re: Help in the beginning

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

On 29/11/2020 12:12, Giftmacher via groups.io wrote:
Today I'm using only BAS, but again missing parts errors appeared. I started to suspect the coaxial
cable, which is Televes T100, which seems to be intended for 2-3 GHz.
The LNB contains a down-converter from the 11 GHz signal to a 1.5 GHz (approx) signal, so cable intended for "satellite TV" will be fine.

David
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Re: FY-3D.

Graham Woolf
 

Hi Ernst

Thanks for the help - Ill try that

Regards

Graham


Re: FY-3D.

Ernst Lobsiger
 

On Sun, Nov 29, 2020 at 08:52 AM, Graham Woolf wrote:
Thanks for that - its these things that trip me up and knowing how to fix them
Graham

Maybe a somewhat more advanced Python code like

try:
   layers, height, width = new_scn[composite].shape
except:
   height, width = new_scn[composite].shape

would cover both multi channel composites and single channel "composites".
That's something to be tested for the HOWTO 2.0 somewhere in the future ...

Cheers,
Ernst


Re: FY-3D.

Ernst Lobsiger
 

On Sun, Nov 29, 2020 at 08:52 AM, Graham Woolf wrote:
Thanks for that - its these things that trip me up and knowing how to fix them
Graham
Maybe a code like
try:
layers, height, width = new_scn[composite].shape
except:
  height, width = new_scn[composite].shape


Re: FY-3D.

Graham Woolf
 

Hi Ernst

Thanks for that - its these things that trip me up and knowing how to fix them

I wouldn't have got the str bit either but I think I have a working script

Douglas

Thanks - it would be great to see your script too

Regards

Graham

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