NPL do a number of courses. Some are available online, some only in a class. The online ones can cost up to £700 (GBP). However, these are free until the end of June https://www.npl.co.uk/skills-learning/free-e-learning For anyone interested in metrology, there are a lot of relevant courses. Some are at quite an advanced level. For the vast majority of the courses there’s an exam at the end with a 50% passmark. I don’t think the certificates will of any use to me, but it added a challenge. I completed the “Introduction to Measurement and Metrology” course. I erroneously believed that the course was supposed to be 1-day, but there seemed to be a lot for a 1-day course. Later I realised it was supposed to be 0.5 days! I guess I am just a slow learner. The bit that took my largest amount of time to commit to memory was the roles of the BIPM, CGPM, CIPM, NMI, RMOs etc in disseminating the SI units. I must have watched the video on that ten times before I was confident I had a reasonably good understanding of that. The 40 minutes for the exam was more than enough time. Dave. -- Dr. David Kirkby, Kirkby Microwave Ltd, drkirkby@kirkbymicrowave.co.uk https://www.kirkbymicrowave.co.uk/ Telephone 01621-680100./ +44 1621 680100 Registered in England & Wales, company number 08914892. Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, Chelmsford, Essex, CM3 6DT, United Kingdom