Intent to Award Sole Source - LabSat 4
ID: IASS-AFRL-PZLEQ-2026-0003Type: Special Notice
Overview

Buyer

DEPT OF DEFENSEDEPT OF THE AIR FORCEFA2396 USAF AFMC AFRL PZL AFRL PZLEWRIGHT PATTERSON AFB, OH, 45433-7541, USA

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

PSC

ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS (6625)

Set Aside

No Set aside used (NONE)

Original Source

https://sam.gov/workspace/contract/opp/8e237dd3d3524e5c84f1b78ccea19718/view
Timeline
    Description

    The Department of Defense, specifically the Air Force Research Laboratory (AFRL), intends to award a sole source contract for the procurement of a LabSat 4 Global Navigation Satellite System (GNSS) Radio Frequency Record and Replay System, along with necessary accessories, at Wright-Patterson AFB in Ohio. This acquisition is critical for the GNSS Trust Validation System project, as the LabSat 4 is the only system that meets all technical requirements and is compatible with existing assets, thereby minimizing training and upgrade needs. The contract will be awarded to Racelogic USA Corp, the sole manufacturer and distributor of the LabSat 4, following a determination that no competitive proposals will be solicited. Interested parties may submit responses or inquiries to Mike Hornberger at michael.hornberger.1@us.af.mil by December 24, 2025, at 9:00 AM Eastern Time.

    Point(s) of Contact
    Mike Hornberger
    (937) 713-0549
    michael.hornberger.1@us.af.mil
    Chris Stokes
    chris.stokes.1@us.af.mil
    Files
    Title
    Posted
    MRD - LabSat 4 (Final).pdf
    This government file outlines the minimum requirements for a LabSat 4 "or equal" Global Navigation Satellite System (GNSS) Radio Frequency Record and Replay System, crucial for a FY26 exploratory research project. This project builds on preliminary work confirming the feasibility of a GNSS Trust Validation System. The new equipment is needed because the existing LabSat 3 Wideband system lacks the dynamic range to capture RF data in challenging environments without saturation. Key requirements for the new system include multiple recording channels for live sky GNSS data in CONUS, interface with an STIM300 IMU, synchronized data collection from GNSS and IMU, NEMA stream output, field portability, a replaceable internal data drive, and a 60 MHz sampling rate with 12-bit quantization. It must also collect data on multiple center frequencies simultaneously within L1, L2, and L5 bands, support simultaneous RF and IMU sampling, and offer playback of RF and IMU data to various receivers, requiring a connector cable for the STIM300 IMU.
    SSJ - LabSat 4 (Redacted).pdf
    The United States Air Force Research Laboratory (AFRL/RYWN) requires a LabSat 4 Global Navigation Satellite System (GNSS) Radio Frequency Record and Replay System and associated accessories for the GNSS Trust Validation System project. This Single Source Justification outlines the need for a specific brand-name product due to its compatibility with existing customer assets, including simulation software licenses, which reduces training and upgrade requirements. Market research investigated six comparable systems, but only the Racelogic LabSat 4 met all technical requirements. Racelogic USA Corp is the sole manufacturer and distributor. While the Spirent GSS6450 Multi-frequency Record and Playback System was identified as a close alternative, the contracting officer determined that a single source is reasonably available for this acquisition, as per FAR 13.106-1(b)(1). The customer will monitor future offerings from Spirent as a potential alternative to preclude future single-source awards.
    Lifecycle
    Title
    Type
    Intent to Award Sole Source - LabSat 4
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