Spire observes radio occultation on a global scale using their own nano-satellite constellation. Spire covers the equatorial regions of Africa and offshore areas where vertical observation is geographically impossible.
AIS data can be used by the shipping industry (shipping companies, shipowners, mariner education institutions, shipping-related service providers, etc.), ship insurance companies, auditing firms, etc.
https://spire.com/Radio Frequency Data is collected to detect and locate the source of radio signals. It can be used for customer applications and detailed analysis can be easily performed.