Geomagnetism
About us
What is the BGS?
Structure
Copyright
Contact us
Geomagnetism staff
BGS staff
Enquiries
Offices
Venue hire
Downloads
Browse
Search
Software disclaimer
Jobs
Opportunities
Studying earth sciences
Voluntary work
Shop
Bookshop
GeoRecords
GeoReports
Catalogue
Home
|
Research
|
Operations
|
Data & Services
|
Education
Home
»
Data Services
»
Directional Drilling Applications & Services
Data and Services
Data
Models & Compass Variation
Grid Magnetic Angle Calculator
World Magnetic Model
BGGM
IGRF Model
Space Weather
Solar & Geomagnetic Data
Solar & Geomagnetic Forecasts
Geomagnetic Pulsations
Geoelectric Field
Space Weather Alerts
Current conditions
Directional Drilling
IFR/IIFR
1MB pdf
BGGM
Directional Drilling Applications & Services
In-Field Referencing (IFR) / Interpolation In-Field Referencing (IIFR) services
1MB pdf
BGS Global Magnetic Model (BGGM)
