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Re: 20010306: Distribute NOAAPort SDI Stream to LDM

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: Re: 20010306: Distribute NOAAPort SDI Stream to LDM
  • Date: Wed, 07 Mar 2001 12:18:32 -0700
Unidata Support wrote:
> ------- Forwarded Message
> 
> >To: "'address@hidden'" <address@hidden>
> >From: "Hoeth, Brian" <address@hidden>
> >Subject: Distribute NOAAPort SDI Stream to LDM
> >Organization: NASA/Johnson Space Center
> >Keywords: 200103061936.f26JaaL19552 LDM SDI
> 
> Hello,
> 
> Currently, we have an LDM workstation and an SDI workstation.  The SDI is
> ingesting NOAAPort data and then the data is distributed to our display
> workstations via the LDM.  We're wanting to eliminate this "middle man"
> setup. In other words, we'd like to just run the LDM software on the SDI
> workstation.
> 
> (1) Is this possible?
> 
> (2) If so, which version of the LDM software should we get?  If it's not
> possible, what do you recommend?
> 
> (3) Once the LDM software is in place, we'll also need to configure the LDM
> to read the 2 additional (the NOAAPort text and binary) TCP/IP sockets that
> are on the SDI ... how do we do that?
> 
> FYI ...
> 
> Our SDI Is Running Solaris 7.0 (this is Sun 5.7 I believe?) and has:
> 9 GB disk
> 64 MB RAM
> 450 MHz
> 
> Any help you could provide would be appreciated. I am fairly inexperienced
> with the LDM software, but have begun reading about it at your website:
> 
> http://www.unidata.ucar.edu/packages/ldm/index.html
> 
> Thanks!!
> Brian Hoeth
> Sustaining S/W Engineering, Lockheed Martin
> Johnson Space Center
> Office: 281-218-2240
> Pager: 281-613-1020
> address@hidden
> 
> ------- End of Forwarded Message

Brian,

I will give you a very short response.   Our support is for registered
Unidata Participants only, mostly educational institutions and research
labs.  See our web page for more information regarding our participation
policy.

Our ingest machine here at UCAR, a Solaris 7 i86, uses the SDI software
and runs the LDM very successfully.  We do not read from ports, but from
FIFOs instead.  Since you presumably purchased the SSEC software, I
would ask them for support.   

Regarding reading from a socket, our ingest software, pqing, will read
from a port with the -P option.  Bear in mind that pqing was originally
written for FOS products.  It has been adapted to handle NOAAPORT
products.  These days people are using it for all kinds of things for
which it was not intended, such as very large products, which can lead
to difficulties.

Also, you are very welcome to peruse our support archives for further
assistance.

Good luck!

Anne
-- 
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Anne Wilson                     UCAR Unidata Program            
address@hidden                 P.O. Box 3000
                                  Boulder, CO  80307
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