As a retiree, I frequently receive notices of events like these. While I have an interest in the topic and have never been to Portugal, I no longer re...

The OPUS extended output includes a section (see linked image) that provides data regarding each SV. It can be used to see whether any SV data should ...

Check out this page:

NOAA NGS RSD imagery now available for Houston, Galveston and environs. Coverage as of 1010 PDT on 31 Aug 2017 shown in image below. Attach...

FWIW,The link provided above is for Harvey. This site: provides links to imagery for earlier disasters.I imagine the extent of coverage for Harvey wi...

Here is the site for the NOAA aircraft operations: Not sure which aircraft is being used. I am also not sure whether they perform recon as I assume th...

Lots of interesting work has been done monitoring subsidence in the area. See: The efforts of the HGSD address concerns over groundwater withdrawal an...

Welcome to this board. It is always nice to read of activities in other parts of the world.I did a little work in Chile in the early 1990s using GPS o...

Good suggestion.Free PDF version of Nautical Almanac available here:

Reminds me of the question, is mathematics developed or discovered? Consider that Leibniz and Newton discovered the Calculus independently. Given the ...

Howdy,What is your source for the algorithms you will use? One source is: The document is the last Sokkia ephemeris published. Will you use altitude o...

Official conference language is English. See:

FWIW,I like the Elithorp and Findorff text "Geodesy of Geomatics and GIS Professionals" the second edition (linked below) was published in 2009. It do...

Usual good stuff. One suggestion. (Quibble?)Instead of the usual presentation of the relationship between the three height systems (h = ellipsoid heig...

I wonder whether any of the users of OPUS-Projects have noticed an issue when mixing these antennas? As the tool uses the OPUS processor and large pro...

John Hamilton, post: 438513, member: 640 wrote: As Rodney King said once...Can't we all just get along? I think this issue cries out for standardizati...