Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
1. Radio pulsar timing --- 0.1 microseconds over years
2. Astronomical X-ray data --- 0.01 microseconds over years
3. Planet Ephemerides --- 1 microseconds over decades
4. Laser/Atomic Spectroscopy --- 0.1 femtoseconds over milliseconds
5. Fusion --- 1 nanoseconds over seconds
6. Neutrino detection --- 1 millisecond over decades
=Fred Knight (INTERNET:knight@ll.mit.edu)