Zenith Total Delay (ZTD) and Preciptable Water Wapor (PW) in LittleR format

This service provides near-realtime Zenith Total Delay (ZTD) in LittleR format. The littleR formatted files can be downloaded by GET method via HTTP protocol from gpsmet.agt.bme.hu/api/get_little_r.php. The files are generated in realtime according to the specified parameters in HTTP request and downloaded after redirection with a randomly generated filename. The files can be directly imported to the WRF (Weather Research & Forecasting) numerical weather model using the obsproc.exe utility. Detailed instructions can be found in the user manual.

Usage

Parameters:

  • from: the first epoch (format: YYYY-MM-DD-hh-mm-ss REQUIRED)
  • to: the first epoch (format: YYYY-MM-DD-hh-mm-ss REQUIRED)
  • stations: the list of stations (separted with "|" , blank: all stations)
Example:

gpsmet.agt.bme.hu/api/get_little_r.php?from=2022-02-10-02-00-00&to=2022-02-15-20-00-00&stations=BUTE|PECS|ZZON