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KOSMO

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Has anyone found THIS? --> It is FREE DATA

http://www.nws.noaa.gov/datamgmt/slide_show/NP2.pdf

Probably 16APSK now.
--------

The NOAA-Port satellite broadcast is operated by the U.S. Government to provide hydrometeorological data and information to over 150 NWS Weather Forecast Offices.

  • NOAA-Port Groundstation users enjoy timely reception of meteorological data, the reliability of a satellite broadcast, and the unrestricted royalty free use of the data, after the one-time investment in the groundstation.
  • With deployment of DVB-S (Digital Video Broadcast – Satellite), the NOAA-Port broadcast can be easily upscaled to meet the demand when new science data becomes available and delivery to the NWS field is required.
  • Hydrometeorological data and information from multiple sources are routed to the NOAA-Port Network Control Facility and processed for transmission over the following four channels:
  • GOES Channel The GOES Channel contains information from the GOES East and the GOES West satellite. The GOES East satellite is a data stream consisting of the following imagery products: visible, infrared, and water vapor for the Eastern Conterminous United States (CONUS), Puerto Rico, supernational composites, and Northern Hemisphere (NH) composites. The GOES West satellite is a data stream consisting of the following imagery products: visible, infrared, water vapor for CONUS, Alaska, and Hawaii; supernational composites, and NH composites.
  • NCEP/NWSTG Channel From the NWS Telecommunications Gateway (NWSTG), a data stream consisting of model output from the National Centers for Environmental Prediction (NCEP); the observations, forecasts, watches and warnings produced by NWS Forecast Offices; WSR-88D radar products; and most observational data over North America.
  • In addition to making all the individual WSR88D radar products available, our NOAA-Port systems can automatically generate custom National and Regional radar mosaics, including a Winter Storm Mosaics that differentiates rain, mixed, and snow.
  • NCEP/NWSTG2 Channel The NWSTG2 channel supplements the NWSTG channel.
  • Non-GOES Imagery/DCP Data Channel This channel’s data stream includes GOES DCP data, GMS/GOES-West/GOES-East/METEOSAT-5/METOSAT-7 composites for visible, IR, and water vapor products (every 3 hours), and OCONUS grids.

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wejones

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Reply with quote  #2 
Quote:
Originally Posted by KOSMO
Has anyone found THIS? --> It is FREE DATA

http://www.nws.noaa.gov/datamgmt/slide_show/NP2.pdf

Probably 16APSK now.
--------

......


I used to occasionally grab their text products before they switched to 16APSK (ACM/VCM), but when they switched to 16APSK, I had trouble with the signal.  But I noticed about a month ago that the signal was a bit stronger here (perhaps to less leaves on trees), so thanks for reminding me to try again. 
   I don't have software working to download all the graphic products though.  It's aimed at commercial use.


KOSMO

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Reply with quote  #3 
Somewhere it says you need a very stable LNB (PLL)
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wejones

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Reply with quote  #4 
Didn't have time to look at this yesterday, due to NFL [smile]
But looked at it today.
With less leaves on trees, I'm getting a slightly stronger signal, but only a bit more than 10 dB SNR.  This doesn't seem to be good enough for 16APSK, but I seem to be getting error free reception, whereas before it had periodic bunches of errors. 

It's ACM/VCM, spending part of the time in 16 APSK 2/3, and spending the other part of the time in QPSK 2/3, however it looks like all or most the data is when it's in 16 APSK.  It also seems to be in a multi stream mode, with some data on stream 2 and a lot of data on stream 18. 
    Stream 2 had some text data on PID 201 that seemed to be from New Mexico, one reporting station being White Sands for example.  It might have been experimental data though, as I saw some statement suggesting that. 
    Stream 18 had several different PIDs (seemed like the last time I looked, there were only 4 or 5).  PIDs were numbers 101 thru 108, then 150, 151......  maybe more. 
    It would be nice to find some documentation of the data structure, and what kind of data is on each PID.  I used to have some files with some documentation, but it seems like what they have on there now is much different than before.  I may browse through their web page again to see what's there now.

   Maybe there are some freeware programs now that will handle this stuff.   Seems like someone posted some links once, but since my reception was too poor to use it, I lost interest.  Now, maybe I could get some graphics out of the feed. 
   Neat.


I've attached a text file of what I recorded from the stream 2 PID 201.  Kind of interesting.  Data from a bunch of towns in NM, NY, Vt and others.  The data format seems to change.
   If you download from this PID, and it comes up as gibberish, try forcing notepad into ansi mode.  I think notepad tries to guess at the format, and sometimes comes up with a format, probably a 2 byte mode, that is interpreted as gibberish.


EDIT:  I just realized that this thread never mentioned the signal parameters.  It's on :
SES-1 at 101W  4040 V 30000 DVB-S2 ACM/VCM
  It used to be down around 3995 V 15120 before it moved.
 Probably need a TBS 5925, 6925 or 6983 to decode it.  I was using the 6983.  


 
Attached Files
txt 00tmp201.txt (700.85 KB, 93 views)

KOSMO

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Reply with quote  #5 
Thank you for the Text file! That is WAAY cool
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midwestmac

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Reply with quote  #6 
Thanks,  for the text file.  I tried Notepad and Wordpad. Seems like I'm always getting out the hex editor now a days, I looked through it and saw .xml file extension.

Then googled what opens .xml ? found Microsoft office and LibreOffice to name a few.

Looks a lot better looking at it with Libreoffice.  I don't have MS office on this computer I'm on.

Several more readable pages though, if you haven't tried that.

There might be another format in there to read? Not sure? of the other weird symbols and writing haven't figured that out.



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wejones

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Reply with quote  #7 
I think I saw more XML type stuff over on the other streams, like maybe the 105 PID on the stream 18.
The txt file I posted is pretty straightforward, but I also downloaded some files (but subsequently deleted them) from the stream 18 that looked to be images.  I'd like to figure out how to extract the images from those files.  It had some webpage url imbedded that I think has to be part of xml files, ie:
http://www.w3.org/2001/XMLSchema-instance
.  I went to that web page, and it stated that that url shouldn't be used in xml, so it must have been some boilerplate url. But after the header, there was a large amount of binary data that I assumed to be an image of some sort.
   I used to have a document showing how to interpret some of the products, but I'm not sure what I did with it.


 

Comptech

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Reply with quote  #8 
I will have to swing my 12 footer over there Thanksgiving weekend when I have some time and see what I come up with. This work stuff really interfers with my hobbies!
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midwestmac

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Reply with quote  #9 
Here's a link I found a while ago, when looking for NOAA topics. It has  topics on "Eumetsat" also

There's tons of other things on there maybe the NOAA links would help to view an image.
I don't know? Hope its ok to post a link. 

http://www.satsignal.eu/


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wejones

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Reply with quote  #10 
Quote:
Originally Posted by midwestmac
Here's a link I found a while ago, when looking for NOAA topics. It has  topics on "Eumetsat" also

There's tons of other things on there maybe the NOAA links would help to view an image.
I don't know? Hope its ok to post a link. 

http://www.satsignal.eu/



Thanks.  That has some interesting info, particularly the Eumetsat info showing how to set up the TBS receivers to send out only one PID at a time.  However it looks like most of the software on that page is both payware and also aimed at older formats, which may or may not be included in the noaaport products, but you'd have to first separate the individual products first anyway.  So I'm not sure how useful they'd be.

I was searching around for info, and ran into one page I had downloaded many years ago, which described some data formats used by noaaport, but they were a decade old, so I'm not sure if they are still valid.  They're at http://www.nws.noaa.gov/noaaport/document/ICD%20CH5-2005-1.pdf

Also, I originally found the link to this at the noaaport home page,
http://www.nws.noaa.gov/noaaport/html/noaaport.shtml
and have been regularly going to that page hoping for some newer info, but it has seemed to be out of date, with many dead links.  However, I noticed today that there seem to be some new links there that I haven't checked out yet.  
But one of the things I found, was a notification message at: 
http://www.nws.noaa.gov/om/notification/tin15-24goes-r_imagery.htm
which had one paragraph that stated:

 

Quote:

The simulated GOES-R imagery will be separated and distinguished from

the SBN's operational traffic in two ways:

 

- The simulated data will be broadcast on distinct channels (PIDs 107

and 108), and thus separated from the SBN's operational data.  PID 107

corresponds to the SBN’s GOES-R West channel and PID 108 corresponds to

the SBN's GOES-R East channel.

 
The reason I found that interesting is that I had mentioned above that there used to only be 5 PIDs on the transponder, 101-105, but that now there were several more, including 106-108, 150,151, and 201.  I also mentioned that on one PID, I had noticed some text saying that it was test data.  Well the above paragraph indicates that the info on PID 107 and 108 is indeed test data, and that makes me wonder if the other PIDs higher than 105 might also be test data. 
    But I think I may browse through the various links in the noaaport home page for about the 50th tim, to see if there is anything new there.  

I also might look at the recent recordings I made might agree better with the format described in the first link above.  When I tried this years ago, it started out looking like it agreed, but then deviated, but the deviation may have been because I had errors.  Or perhaps I wasn't extracting the payload from the headers.


 

 
wejones

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Reply with quote  #11 
Looking once again at the noaaport home page, it looks like almost all of the links there are still obsolete, except for the first one.  Looking at the first link seems to show some links to new and old data.

 First one I looked at, ie:
http://www.nws.noaa.gov/noaaport/document/Multicast%20Addresses%201.0.pdf
showed what is on each of the PIDs,

CHANNELPIDMULTICAST ADDRESSPortDETAILS
     
     
NMC101224.0.1.11201NCEP / NWSTG
GOES102224.0.1.21202GOES / NESDIS
NMC2103224.0.1.31203NCEP / NWSTG2
NOPT104224.0.1.41204Optional Data - OCONUS Imagery / Model
NPP105224.0.1.51205National Polar-Orbiting Partnership / POLARSAT
EXP106224.0.1.81208Experimental
GRW107224.0.1.91209GOES-R Series West
GRE108224.0.1.101210GOES-R Series East
NWWS201224.1.1.11201Weather Wire


which is quite helpful. For example, the PID 201 I was looking at is called the weather wire. 

Off to look at more of the links.


wejones

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Reply with quote  #12 
I ran across another interesting "notification" page.

http://www.nws.noaa.gov/om/notif.htm#tin

This lists a bunch of links to upcoming changes involving new products on the noaaport transponder.  I pulled up one at random, listed as Oct 20, which outlines a new product that's going to start up on Dec 1 2015 on PID 105.  It outlines items in the headers that identify the products, and gives instructions for how to extract imagery.

http://www.nws.noaa.gov/om/notification/tin15-48nde_npp_sbn.htm

The interesting thing (to me anyway), is that the instructions  said to:

To access these products on NOAAPORT, users must:

 

Quote:

-Read beyond or strip off the WMO header

-Decompress the resulting product (e.g., via gunzip)

-Use a netCDF4 reader (e.g., a decoder that invokes the Unidata

netCDF4 software package)

-Apply the geolocation algorithm

All that seems straightforward, except for the netCDF4 reader.  I once downloaded and tried to install the entire Unidata package, which is a Unix package aimed at big computers.  I tried to compile it on Linux, but it didn't work.  Years later, I downloaded a more recent version (not sure if it was the same source or different).  This one seemed more aimed at Linux PCs.  It was comprised of a program to grab the raw products and another program that apparently could display the content of the products.  I almost got the first program installed.  Ie it compiled, and seemed to have completed, however on trying to run the program, I got errors suggesting that it didn't like the way my LAN was configured.  I think it was expecting my computers to be configured as a domain. 
   Anyway the above netCDF4 reader might have been a component of one of those packages.

But this link explains why I couldn't see anything recognizable on some of the PIDs, ie that the payloads after the headers were compressed.


midwestmac

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Reply with quote  #13 
Wejones, I searched for netcdf4. Was it Awips and cave client you used before? There's a Awips II out now.
Found that at the Unidata website but, looks like you need Redhat centos 6.3  then set up the Awips server then the "cave client"

I don't know searched all kinds of stuff last night. Searched for " AWIPS II thin client" 
and found this one. Its free.
https://vlab.ncep.noaa.gov/web/awips-technical-library/home

There's a software download at the top of the page then a little blog in a wiki page where they talk about "thin client (cave client)" install on windows. The biggest file is like 5 gigs.
I don't think you'll ever find the discussion on this page so here's that link.
https://vlab.ncep.noaa.gov/web/awips-technical-library/discussions-forums-/-/message_boards/message/204369

 I downloaded what they said but now I need to put it on a x64 computer and see what happens. 



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midwestmac

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Reply with quote  #14 
Well I created a folder in windows 7 called Awips, then downloaded the Awips2-14.4.1-NBL.tgz extracted that to the folder.
Downloaded the AwipsII runtime enviroment (msi file)1.0.1.0x64.msi and the AwipsII_CAVE_ 14_4_1_53_x64. exe 

Put all three in the same folder, ran the AwipsII runtime enviroment 1.0.1.0x64.msi
then then AwipsII_CAVE_ 14_4_1_53.exe 

It worked!  it looks like a java app and  its waiting for me to enter a local server. I was hoping I could just open a saved file.

edited: to put the exact file name on there

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wejones

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Reply with quote  #15 
Quote:
Originally Posted by midwestmac
Well I created a folder in windows 7 called Awips, then downloaded the Awips2-14.4.1-NBL.tgz extracted that to the folder.
Downloaded the AwipsII runtime enviroment (msi file) and the AwipsII 14_4 exe 

Put all three in the same folder, ran the AwipsII runtime enviroment (msi file)
then then AwipsII 14_4. exe 

It worked!  it looks like a java app and  its waiting for me to enter a local server. I was hoping I could just open a saved file.



Neat! Thanks for the link.  I will definitely try to do that too.  
Does the thing ask for or indicate a port# where it's looking for the server?

Yesterday, after seeing the suggestions in one of those files about setting up the TBS cards for the eumetsat service, I tried playing around with setting up a server for the noaaport transponder with the  TBS-IPdata program and also Crazycat's BDADataEx program.  Both are supposed to be servers that will make the NOAAPORT stream accessible on the network.  The TBS program seemed to be the most suited for what needs to be done, however I wasn't able to get it to stay locked once I started selecting modcodes and things.  It is a terrible program that doesn't have any documentation with respect to how to enter the signal parameters.  I think it's basically like using the TBS source in TSREADER in that it seems to be in auto mode and you can't enter things like pilot and other parameters. Seemed to work better the less info you gave it.  Also, I think it has some bugs in it with respect to doing C-band. Maybe I have an older version of the program.
    Anyway, I switched to Crazycat's program, and got it locking fine, but it wasn't as obvious relative to how to specify individual modcodes and PIDs.  But I finally got it to where it was streaming, however there wasn't any way to specify a port number, so when I tried to see if I could monitor what was being streamed using TSREADER, I didn't know what port number to specify, so TSREADER just sat there doing nothing. And I was having problems seeing the stream with wireshank, because I'm not sure if the stream is visible if I don't have a program accepting the data.
 
    OH yeah..... While typing, it just dawned on me that when I was tuning the transponder with TSREADER, all I had to do was go into IP/DVB mode.  Then, it would it have told me what port # the various PIDs were on.  But I also could have streamed the individual PIDs directly with TSREADER.  If you have TSREADER handy, you can probably generate the stream you're looking for with TSREADER, or at least find out what port numbers the streams are being sent on.

 I just now used TSREADER to rebroadcast one of the PIDs, ie PID#104.  Using the IP/DVB mode, I rebroadcast that PID, and monitored the stream with wireshank.  Wireshank shows:

Source   Source Port     Destination   Destination port

10.0.9.54  60838           224.0.1.4       sslog-mgr {1204}

Weird, re the sslog-mgr thing.  First time I've seen anything other than just a number there. Strange.  

 Anyway, you might give that a try.  I'm not sure what PID would be best for your AwipsII program.
Is your program a graphical program or is it just saving the payloads or something?
  I can't remember the names of the programs I was trying to compile years ago.  I think it was on a hard drive that's not in a computer right now.  The program that I almost had working was one that I think saved the products. I had also downloaded a set of programs that would do graphical stuff with the products, but I never compiled that part.

 Anyway, thanks.  I guess I'll try to install that program and aim it at a stream produced by TSREADER. 

Thanks.


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