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StarFire Reference Data

In addition to our standard StarFire™ subscription service, NavCom provides select StarFire™ Reference Data to customers in more specialized application areas such as the wireless, LBS and military industries. This Reference Data, both real-time and archival, is ideally suited for the following applications:

  • Timing information in the Wireless Service Industry
  • Satellite acquisition and information in the Location-Based Service (LBS) industry
  • Mission planning and navigation simulation in the military and government operations
  • Satellite monitoring in GPS operations
  • Post processing in the survey industry
   Data Set Types

The following Reference Data Sets are available:

  • Broadcast Ephemeris Records as received
  • State Space Corrections - Clock Correction (every few seconds) and Orbit Correction (every minute) for each GPS Satellite
  • Reference Receiver GPS Measurements (every second)
  • L1 CA Code Pseudo-range Measurements
  • L1 Carrier Phase Measurements
  • P2 Code Pseudo-range Measurements
  • L2 Carrier Phase Measurements
  • Iono Model Parameters
  • Almanac
  • SV Health Page
  • UTC Parameters (UTC–GPS Time Conversions)
   Levels of Service
Real-time GPS Satellite Data (SV ephemeris data)
  • Fast position acquisition - enables low cost L1 GPS chipsets to acquire position in 6 seconds, as opposed to the typical 1 minute (i.e. it reduces acquisition time by one order of magnitude.)
  • Allows for satellite monitoring in GPS operations
  • Aids in mission planning and navigation simulation

Typical customer: Military, Wireless Providers - LBS/E-911 services

Real-time StarFire™ Corrections
  • Provides L1 chipsets with significantly greater position accuracy
  • Improves accuracy from ~30m to 1.5m

Typical Customer: Wireless Providers - LBS services

Real-time Satellite Data & Corrections
  • Position is acquired in 6 seconds as opposed to 1 minute
  • Accuracy is improved to 1.5m as opposed to ~30m.

Typical customer: LBS service providers (i.e. child monitoring services)

Real-time Timing Reference Data
  • Low cost, high-resolution alternative to current timing elements
  • Providers of cellular infrastructure have a cell-station requirement of providing timing resolution within 7 microseconds
  • Our Timing Reference Data exceeds the 7 microsecond requirement with a provided resolution of 12.5 nanoseconds, at a fraction of the cost of typical solutions

Typical customer: Wireless Providers – Infrastructure

Archived Satellite Data & Corrections
  • Post processing of measurement data to achieve millimeter-level accuracy

Potential Customer: Survey Industry


To inquire about our StarFire™ Reference Data Service, please click here.



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