Position and velocity from the preliminary Medium accuracy Orbit Determination (MOD) expressed with respect to the International Terrestrial Reference Frame (ITRF). The product stores the medium precision orbit information in ASCII format, following the Extended Standard Product 3 Orbit Format (SP3c)

Level 1B Product Descriptions:

• Swarm Level 1B Processor Algorithms
• Swarm Level 1B Product Definition

SP3 format Description

• The Extended Standard Product 3 Orbit Format (SP3-c) by Steve Hilla, National Geodetic Survey, NOAA, USA, Dated: 2010-08-17