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The 1203C SBAS/GNSS receiver is designed specifically to provide the highest possible reliability and availability. Since 2010, the 1203C has been installed on over 2,500 aircraft and continues to deliver high-performance integration capabilities with ADS–B compatible systems.

For operators requiring NextGen upgrades, the 1203C meets the position source conditions for Required Navigation Performance (RNP) and other L-NAV operations. The 15-channel receiver allows operators to gain more accurate position tracking capabilities by utilizing more satellites at any given time. The 1203C’s multi-channel system provides continuous connectivity, ensuring stronger satellite signals are prioritized over weak signals.

The receiver is certified to TSO-C145c as a Stand-Alone Airborne Navigation Equipment using the Global Positioning System (GPS), augmented by the Wide Area Augmentation System (WAAS), to ensure precision accuracy. This certification makes the 1203C a reputable solution for operators transitioning into the NextGen landscape.

Over a decade since its release, the 1203C continues to deliver high-performance results for operators. In August 2020, FreeFlight released a field study that found that the 1203C receiver substantially outperformed its originally predicted Mean Time Between Failure (MTBF) in real-world application (1203C SBAS/GNSS Receiver Unit Yields Impressive Results in Field Reliability Study, 2020). The study indicated that the 1203C holds a field MTBF of well over 100,000 flight hours, comparing very favorably to the predicted MTBF of 32,000 operating hours.

In 2018, the 1203C sensor was selected to provide ADS-B position source information for the United States Air Force HH-60G helicopter fleet’s ADS-B modification and compliance program (FreeFlight Systems 1203C SBAS/GNSS sensor selected to provide ADS-B position source for HH-60G helicopter fleet, 2018). Here are a few reasons why:

VALUE ADDITIONS:

  • Offers over 100,000 hours of MTBF
  • Integrates with TDR94D, RCZS, BXT and other transponders for ADS-B OUT
  • ARINC 429/743 Output
  • Available in single or dual install
  • Position and timing source for IFF Mode 5 and CPLDC
Dual GPS Options  Price Per Unit  Certification Level  Size and Weight 
Competitor  $16,500 Published List TSO-C145c W 2.43″
D 14.52″
DO-160D H 7.87″
12 Channel 6.3 lbs
FreeFlight Systems 1203C SBAS/GNSS  $10,556 with antenna and install kit TSO-C145c W 4.7”
DO-160F D 8.7”
DO-178B Level C H 1.6”
15 Channel
Approved position source under AC 20-165B 1.9 Lbs

ADDITIONAL RESOURCES:

1203C Receiver: https://www.freeflightsystems.com/blog/product/1203c-sbas-gnss-receiver/

Download Specifications: https://www.freeflightsystems.com/wp-content/uploads/2018/06/1203C_xpdr-combined.pdf

Press Releases: 1203C SBAS/GNSS Receiver Unit Yields Impressive Results in Field Reliability Study (September 25, 2020). The study, based on actual return data from the approximately 2,500 units currently in operation suggests a field MTBF well in excess of 100,000 flight hours. This compares very favorably to the predicted MTBF of 32,000 operating hours (a more lenient measure than flight hours)

FreeFlight Systems 1203C SBAS/GNSS sensor selected to provide ADS-B position source for HH-60G helicopter fleet (July 30, 2018). Strategic Enterprise Solutions, Corp. (SESC, www.sescorp.org) of Warner Robins, Georgia was recently awarded the modification program, which includes installation of the 1203C SBAS/GNSS sensor and the AN/APX-119 Mode S Extended Squitter transponder with Mode 5 capability to provide a complete ADS-B Out solution for more than 100 helicopters.