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Featherweight Swift GPS Tracking

Price: $175.00
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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.

Product ID FASwiftTracker
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.

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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Search words
featherweight, tracker, full system, gps tracker, ground station, rocket tracking, find my rocket, electronics