The MSF service reports are issued on a monthly basis and provide daily measurements of the 60 kHz carrier phase delay of the MSF signal relative to UTC(NPL) with an arbitrary fixed time offset (modulo 16.67 microseconds). The data has been averaged for 10 minutes at midday (11:55 – 12:05 UTC) each day. Each issue consists of a report in PDF format, together with a machine‑readable CSV file.
Note to users: This service is currently under active development, with further improvements expected to be rolled out. As a result, please be aware that the format of the reports may be subject to change.
Our research and measurement solutions support innovation and product development. We work with companies to deliver business advantage and commercial success.
Contact our Customer Services team on +44 20 8943 7070