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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Hi Tonie, I apologize for the lack of correspondence, I have been on travel at conferences over the past two weeks. I hope I did not leave you hanging.... Are we ready to try a test feed over the big pond to see how the data flows? -Jeff ____________________________ _____________________ Jeff Weber address@hidden Unidata Support PH:303-497-8676 NWS-COMET Case Study Library FX:303-497-8690 University Corp for Atmospheric Research 3300 Mitchell Ln http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 ________________________________________ ______________________ On Fri, 14 Dec 2001, Tonie van Dam wrote: > jeff, > the latest here is that we got ldm installed this week. is there > anything documents or anything else that you would need from us > that will allow us to access the data? > > i understand that we will need to configure our ldm.conf file. > and i'll need your help to do that. > > thanks, > ---tonie > Jeff Weber wrote: > > > > Hello Tonie, > > > > Your research sounds quite exciting, I hope we can help in some way. > > I also worked with pressure fields, modelled vs. measured over Greenland > > (atmos applications not geodetic, but pressure is pressure) > > > > >From your question, > > > > 2) what is the minimal grid spacing available? > > > > I am assuming you are interested in the highest resolution possible. > > > > There are some logistical and bureaucratic issues we need to investigate > > before we proceed any further..i.e WMO resolution 40, and connectivity via > > the internet to your institution to determine if this is a viable method > > for data transfer. > > > > Please see: > > > > http://unidata.ucar.edu/data/data_usage.html > > > > and > > > > http://205.156.54.206/im/wmocovr.htm > > > > regarding data usage. > > > > To start, could you please provide me with the fully qualified domain name > > of your machine that you hope to be ingesting the data, this way I can > > analyze routings and possible latencies to your location. > > > > 3) who should i talk to about getting the data and the software for > > > unpacking the data? i already use grib on the historical data that i > > > have. > > > 3) is this data set available in near real time. > > > > > > > Please see: > > > > http://unidata.ucar.edu/Software.html > > > > and in particular: > > > > http://unidata.ucar.edu/packages/ldm/index.html > > > > for data access, and: > > > > http://unidata.ucar.edu/data/exp.models.html > > > > for more info regarding the high resolution (CONDUIT) model feed. > > > > I hope this answers some of your questions, and hopefully we can help you > > with data access for your research. > > > > As an aside, you may also be interested in the SuomiNet project, deriving > > water vapor profiles from the delay in GPS signals. > > > > http://www.unidata.ucar.edu/suominet/ > > > > <snip> > > > ------- Forwarded Message > > > > > > >To: address@hidden > > > >From: Tonie van Dam <address@hidden> > > > >Subject: (no subject) > > > >Organization: ecgs > > > >Keywords: 200111261645.fAQGjtN00538 > > > > > > dear sir or madame, > > > > > > i'm a little lost and i'm hoping that you can help me figure out where > > > to go to get what i need. i do research in geophysics. in particular, > > > i've spent a great deal of time looking at the problem of the loading > > > of atmospheric pressure on the earth's surface. as our geodetic > > > techniques improve, this signal is becoming more and more problematic > > > in the data. and we would like to be able to remove it from our GPs > > > and gravity coordinate time series. > > > > > > there is a growing demand from our community that we establish a > > > service that estimates these errors. i'm writing the proposal now. the > > > requirements are such that near real time estimates are becoming > > > necessary. specifically what we need are the 6 hourly global pressure > > > grids (surface and upper air) in near real time. i've looked all over > > > the unidata web page and i can't find any information on this. we are > > > willing to subscribe to the service if necessary. but first i'd like to > > > plead my case that we are a scientific research institute > > > (collaborating heavily with scientists in the u.s.) and that the data > > > will only be used for scientific research purposes only. we further > > > agree not to distribute the data to anyone. we will only use it to > > > compute the deformation of the earth's crust and this is what will be > > > distributed. > > > > > > can you please tell > > > > > > 1) is it possible to get the NMC/NCEP 6 hourly global grids in near real > > > time > > > 2) what is the minimal grid spacing available? > > > > > > 3) who should i talk to about getting the data and the software for > > > unpacking the data? i already use grib on the historical data that i > > > have. > > > 3) is this data set available in near real time. > > > > > > any help you can provide would be greatly and sincerely appreciated. > > > > > > thank you, > > > > > > ---tonie > > > -- > > > Dr. Tonie van Dam > > > European Center for Geodynamics and Seismology > > > 19 Rue Josy Welter > > > L-7256 Walferdange > > > Luxembourg > > > address@hidden > > > office: 35-2-33-61-27 > > > fax: 35-2-33-61-29 > > > > > > > > <snip> > > > > Thank you, > > > > -Jeff > > ____________________________ _____________________ > > Jeff Weber address@hidden > > Unidata Support PH:303-497-8676 > > NWS-COMET Case Study Library FX:303-497-8690 > > University Corp for Atmospheric Research 3300 Mitchell Ln > > http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 > > ________________________________________ ______________________ > > -- > Dr. Tonie van Dam > European Center for Geodynamics and Seismology > 19 Rue Josy Welter > L-7256 Walferdange > Luxembourg > address@hidden > office: 35-2-33-61-27 > fax: 35-2-33-61-29 >