The most capable rocketry tracker you can buy for flights up to 262,000 feet.

The Featherweight GPS Tracker is rocketry's longest-range tracking system, and works with iPhone and Android.  Lots of advanced features are available, and more are on the way!

Featherweight GPS Tracker (upd)

$165.00 - $520.00
Available Now!
Picture
Tracker and tracker with ground station enclosure

Hardware Features

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 50 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.

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)

Small Size and new Longer Battery Life

  • 1.67" x 0.8" board size, not including antenna
  • Tracker can run 16 hours on a small, 400 mAhr single LiPo cell.
  • ​Ground station enclosure can stay up all weekend

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:

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

Data Logging

  • 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

Multi-Stage Flights

  • Monitor two or more stages with one phone app and one ground station.
  • Easily switch channels to monitor each stage.

Over-the-Horizon Relay

  • 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)

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
  • Get a early look at upcoming releases for iOS by joining the beta test program via TestFlight:   Click this link using the iOS device you want to install onto: https://testflight.apple.com/join/3HPI9h3W
  • For Android, use Google Play to download the released version, as the beta test group has reached maximum capacity

Accessories and options

Tracker Battery + Adapter

$14.00 - $20.00
Shop

915 MHz Replacement Antenna

$10.00
Shop

Dual Battery Charger

$24.00
Shop
A 3D-printed tracker installation capsule is available from Inverted Pursuits.  This capsule protects the tracker and battery, and clamps it onto a variety of sizes of shock cord so you can install it next to your parachute with no av-bay required.  
Now available with a soldered wire whip antenna as an option when the antenna needs to stick through a bulkhead.  The radio performance of this option is equivalent to the standard stub antenna

Resources

Download the User's Manual, updated October 25, 2021
​​
​

gs_data_cmds_2020nov15.xlsx
File Size: 123 kb
File Type: xlsx
Download File

Tracker step file

Download a zip file of all Featherweight step files here.

38mm Nosecone 3D Model
Proudly powered by Weebly