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Featherweight Swift GPS Full System (Tracker + GS + Tracker Battery)

Price: $370.00
  In Stock 5

Full System - includes a ground station with included battery, a tracker, and a 400 mAhr tracker battery with battery adapter.

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Product ID FAFullSystemSwift
Manufacturer Featherweight
Date Added
04/06/2026
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PRE-ORDER AVAILABLE

Full System - includes a ground station with included battery, a tracker, and a 400 mAhr tracker battery with battery adapter.

To track a rocket, two units are required: a Tracker that flies on the rocket and the Ground Station which stays with you on the ground and communicates with your iPhone.

Options: 

  • Tracker only - optional battery available here. The wire whip antenna option has equivalent LoRa performance and the antenna can stick through bulkheads to save space.
  • Ground Station only - features an internal battery with charger, charger for external battery, USB-C interface
  • Full System - includes a ground station with included battery, a tracker, and a 400 mAhr tracker battery with battery adapter. 
  • 3-way system - includes everything in the Full System, plus another tracker and tracker battery so you can easily track 2 of your rockets without needing to swap hardware.


  • The Swift is Featherweight's next generation of GPS trackers, replacing the Featherweight GPS tracker that has become rocketry's most popular GPS tracker.
  • Channel conflicts at large launches are a thing of the past for Swift users, because the Swift provides an additional 240 channels of frequency hopping channels, automatic open-channel scanning, and no transmissions on already-occupied channels.
  • The Swift tracker is shorter and more durable than the Featherweight's original tracker, with no sliding switches to break.  The Swift tracker's mounting holes match those of the original tracker (*though not for the early-adopter edition)
  • The ground station is even easier to fit into a pocket, has a more durable power button, and also has a second battery charger for charging  the tracker's battery through a connector in the front panel.  Its USB-C port charges both batteries and provides improved serial data output.
  • The Swift matches the long range of the original Featherweight tracker, with line-of-sight transmissions beyond the 100 km Karman line (328,000 feet).  The GPS performance matches the original tracker, with GPS altitude, position, vertical and horizontal velocity at altitudes up to 80 km (262,000 feet).  A new planned feature of the Swift is to connect to a Blue Raven or Blue Jay altimeter over Bluetooth within the rocket.  The Swift will merge its GPS data with inertial navigation data from the Blue Raven or the Blue Jay  to fill in the gaps when GPS is not available, including during the motor burn, at high speed, and even above the 80 km GPS limit.
  • The Swift is inter-operable with the original Featherweight GPS trackers when using the original 56 channels.  A Swift ground station can communicate with original trackers or the Swift tracker, and the Swift tracker can communicate with a Swift ground station or an original ground station when using the original channels.  The new 240 interference-free channels are available when using a Swift tracker together with a Swift ground station.
  • The same Featherweight UI phone app, which is available for iPhone and Android, is used for the Swift.  It provides live pointing, live data, mapping, and more.

Swift Hardware Features

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Longest Radio Range 

  • Yes, it really can communicate to space (though GPS data available to 262,467 feet).
  • No directional antenna needed.
  • Efficient link with only 158 mW output power
  • Robust margin for rocket body attenuation etc.
  • No cell service required at the range.  Just download the app over WiFi at home and you're good to go.
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Advanced GPS (u‑blox M10)

  • Simultaneous reception of GPS, GLONASS, Galileo, and BeiDou constellations means more satellites for your tracker to choose from, giving you great reception wherever the antenna is pointed.
  • 10 GPS solutions per second
  • Vertical and horizontal velocity
  • Reports positions up to 80 km (262,467) altitude and up to 500 meters/second (Mach 1.45)
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Small Size and new Longer Battery Life

  • 1.32" x 0.8" board size, not including antenna
  • Tracker can actively transmit for 3 hours on a small, 400 mAhr single LiPo cell.
  • Ground station can stay up all weekend
  • Upcoming feature:   Low power sleep mode so you can install it days or weeks before launch and then activate it over Bluetooth without physical access

Featherweight UI App Tracking Features (iOS and Android compatible)

New tracking display puts all the flight data at your fingertips:

New map view lets you plan the best route for your recovery:

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Spoken Telemetry

  • You phone tells you the flight information so you can keep your eyes on the sky
  • Select your preferred voice and speaking speed
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Data Logging (upcoming feature)

  • Records GPS 3D velocity, location and signal strength at 10 samples per second for detailed post-flight analysis
  • Approved for use in Tripoli altitude record attempts
  • Google Earth .kml file is automatically generated
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Multi-Stage Flights

  • Monitor two or more stages with one phone app and one ground station.
  • Easily switch channels to monitor each stage.
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 Over-the-Horizon Relay (Upcoming Feature)

  • Any Featherweight tracker with a line of sight will relay the location of a "lost "rocket
  • Other ground stations at the launch will relay your rocket's landed location back to you automatically (in work)
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Public Telemetry (in work)

  • Follow along with your friends' flight data with the press of a button
  • LCO can monitor flight progress real-time

Downloading the app:

  • Get the latest released version by searching on "Featherweight UI" in the Apple App store for iOS, or Google Play for Android phones
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featherweight, tracker, full system, gps tracker, ground station, rocket tracking, find my rocket, electronics