• Home
• Public Sector

  Public Sector

  • Public Sector home
  • Public Sector Mapping Agreement (PSMA)
  • One Scotland Mapping Agreement (OSMA)
  • Case studies
  • Public sector customers
  • Frequently asked questions
  • Using our products
  • Software for mapping
  • News and Events
  • Learning resources
  • Support

  Quick links to popular content

  • Log in - members area
  • Join the PSMA
  • Public sector customers
  • Central Government
  • Emergency services
  • Health
  • Local Government
  • Town, Parish and Community Councils
  • Third Sector
  • PSMA licensing
  • OSMA licensing

  Public Sector homepage

• Business

  Business

  • Products
  • Web services
  • Markets
  • Partners
  • Using our data
  • Licences and agreements
  • Accreditation programme

  Quick links to popular content

  • OS MasterMap
  • OS VectorMap
  • OS OpenSpace
  • OS OpenData
  • AddressBase
  • Land and property
  • Energy and infrastructure
  • Financial services

  Business homepage

• Leisure

  Leisure

  • OS getamap
  • Custom made maps
  • Shop
  • Magazine

  OS getamap – print your route

  • OS getamap – home
  • Launch getamap

  Have your map custom made

  • Custom made maps

  Visit our shop

  • Shop – home
  • Popular maps
  • OS Explorer Map
  • OS Landranger Map

  Read our magazine

  • Magazine – home

  Leisure homepage

• Education & Research

  Education & Research

  • Teaching resources for schools
  • Map data for schools
  • Higher education
  • Research

  Schools

  • Mapping News
  • Digimap for schools

  Further & Higher Education

  • MSc dissertation projects
  • Postgraduates
  • Copyright for Education

  Research

  • Current projects

  General interest

  • GIS files
  • Understanding maps
  • Grid, magnetic and true North
  • Beginner's guide to GPS

  Education & Research homepage

• About us

  About us

  • Media Centre
  • Our history
  • Careers
  • Our Directors
  • Global
  • Corporate responsibility
  • Freedom of information
  • Annual reports
  • Our policies
  • Governance
  • Procurement
  • Public task

  Quick links

  • Latest news
  • Job vacancies
  • How to find us
  • How to contact us
  • Government transparency agenda
  • EU INSPIRE Directive and UK Location

  About us homepage

• Support

  Support

  • Contact us
  • Mapping for emergencies
  • Developers
  • Web services
  • OS Net
  • GPS
  • OS Orders
  • How to pay us
  • Positional Accuracy Improvement (PAI)

  FAQ

  • Free resources
  • How and where to buy maps
  • OS OpenSpace
  • The National Grid
  • Property boundaries
  • Historical mapping
  • Geography and map facts
  • Products and services.html
  • GNSS and positioning services
  • Satellite navigation and GPS devices
  • Licensing

  Top picks

  • Grid North, magnetic north and true north
  • Outline maps
  • Origins of place names in Scotland and Wales
  • Desktop wallpaper
  • Understanding maps

  Support homepage

• Support – home
  • Support and FAQ – home
  • How and where to buy our maps
  • Free resources
  • The National Grid
  • Property boundaries
  • Satellite navigation and GPS devices
  • Products and services
  • Geography and map facts
  • GNSS and positioning services
  • Historical mapping
  • Licensing
• Developers
• Product support
  • Product support – home
  • PAI programme
    • PAI programme – home
    • Undertaking PAI
    • Link files
  • Styled layer descriptors
    • Styled layer descriptors – home
    • FAQ
• Web services support
  • Web services support – home
  • OS OpenSpace support
  • OS OpenSpace Pro
  • OS OnDemand
• OS Net support
  • OS Net support – home
  • OS Net free services – an overview
  • Surveying with OS Net free services
  • OS Net accuracy
  • Antenna phase centre offsets
  • Spreadsheet for coordinate calculations
  • Glossary
  • Grid InQuest coordinate calculations software
  • Coordinate batch converter file formats
  • OSTN02 and OSGM02 for Developers
  • OSTN02 data in NTv2 format
• GPS support
  • GPS support – home
  • A beginner's guide to GPS
  • Using GPS with Ordnance Survey maps
  • An overview of the GPS system
  • Satellite navigation system developments
• OS Orders
• KnowledgeBase
  • KnowledgeBase – home
  • Property boundaries and who records them
  • Satnav systems and our data
  • The National Grid
  • Grid North, Magnetic North and True North
  • Calculating distances using National Grid references
  • Free resources
  • Historical map archive dispersal
  • The origins of place names in Scotland and Wales
    • The origins of place names in Scotland and Wales – home
    • Gaelic
    • Scandinavian
    • Scots
    • Welsh
  • Historic instructions to draftsmen, plan and field examiners
  • Field parcel numbers
  • Mapping for emergencies
• How to pay us
• Contact us
  • Contact us – home
  • Mapping for emergencies
  • Symbols for emergencies

Follow

• YouTube ®
• Facebook ®
• Ordnance Survey blog
• Twitter ®

Also from Ordnance Survey:

• Accessibility
• Site map
• Website terms of use
• Privacy policy
• Cookies
• Cymraeg
• Contact us