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RE: FW: HRS Software (fwd)


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Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
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---------- Forwarded message ----------
Date: Tue, 31 Aug 1999 09:41:56 -0600
From: Ben Domenico <address@hidden>
To: Robb Kambic <address@hidden>, Russ Rew <address@hidden>
Subject: RE: FW: HRS Software

Robb,

I'm not sure I understand all the components of the situation.  See if
this is an accurate representation.

With the "standard" ldm that our community users, a modification to
their decoders has taken care of the problem.  You recommended that
Alden have their customers do that.

However, my recollection is that Glenn wrote some additional specialized
code that feeds the data into their old satellite distribution system in
the form that existed before the switch to NOAAPORT.  In this case, we
have no idea what is running at the other end, right?  So there may not
even be "decoders" as we know them.  But either Glenn's special code or
whatever Alden's users have at the other end has to change as the
datastream evolves.  And this is the crux of the "resource sink."  Is
that about it?

If so, we may need to bring Dave into this since we need to know what
our ongoing commitment to Alden is.

--Ben

> -----Original Message-----
> From: Robb Kambic [mailto:address@hidden]
> Sent: Tuesday, August 31, 1999 8:56 AM
> To: Ben Domenico; Russ Rew
> Subject: Re: FW: HRS Software
>
>
> Ben,
>
>
> Russ and I been working on this for the last couple of weeks
> on and off.
> The problem is not with the s/w that UPC has developed, but
> the NOAAport
> data stream sends different headers and trailing characters
> on some of the
> HDS products. It has always been UPC policy NOT to touch the
> data stream.
> To make the datastream look like the NWS data stream the LDM
> code would
> have to be hacked (kudgled) to eliminate these headers and trailers. I
> have updated Roland and Bill about the problem and the policy
> in an non
> official manner. It appears the modified headers and trailers
> are still
> within the WMO standard according to the comments in the LDM code. My
> suggestion is to have alden modify their decoders to accept the "new"
> format. Others have noticed the different headers and trailers and
> they have modified their decoders accordingly. Also, the ldm code
> that Bill is talking about it a special version developed for
> Alden to make the NOAAport data appear like the old FOS data
> stream.  I think this could be a resource sink because as the LDM
> code evolves  the maintenaince of the code will too. Comments
>
> Robb...
>
>
> On Tue, 31 Aug 1999, Ben Domenico wrote:
>
> >
> >
> > -----Original Message-----
> > From: William H. Highlands [mailto:address@hidden]
> > Sent: Tuesday, August 31, 1999 7:52 AM
> > To: Ben Dominaco
> > Cc: ROLAND BLANCHARD
> > Subject: HRS Software
> >
> >
> > Hi Ben,
> >
> > It has been a long time since we corresponded.  I trust
> this finds you
> > well.
> >
> > I don't know if you have been following the events of the
> last few weeks
> > but the software that is suppose to take the NOAAport data
> and have it
> > look
> > like the FOS data has a problem in the HRS module.  It
> seems that the
> > NOAAport HRS data is different from the FOS HRS data in the
> format and
> > the
> > software in our customers equipment is not capable of this format
> > change.
> > Roland Blanchard sent a note on this to Rob Kambic a week or so ago.
> >
> > I was wondering if you could find out the status of this?
> >
> > Thanks in advance.
> >
> > Bill
> >
> > William H. Highlands
> > Alden Electronics, Inc.
> > Vice President Operations
> > 508 366 8851 ext2408 phone
> > 508 366 3898  Fax
> > 40 Washington St. Westborough, MA 01581
> > email:address@hidden
> >
> >
>
> ==============================================================
> =================
> Robb Kambic                              Unidata Program Center
> Software Engineer III                    Univ. Corp for
> Atmospheric Research
> address@hidden                   WWW:
http://www.unidata.ucar.edu/
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