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Firmware updateUpdate or restore your firmware on your altimeter using our handy online web tool.

Flight log uploadYou can upload your Nano flight logs here using our secure upload tool. Any edited flight logs will be rejected so we only host genuine as flown logs.

Online USB PortalUse our online USB data reader to grab quick flight summaries from devices, or your WiFi passwords if you can't remember it.

Online USB WiFi configuratorThis tool can set your altimeters WiFi settings via a USB cable from your browser with ease.

All tools

3D parts toolA tool to generate some handy 3D parts for model rocketry needs.

Air hole calculatorCalculate the correct vent hole size for your rocket body tube based on diameter, length, and number of holes.

Altimeter Cloud APIYou can use some of the altimeter cloud via API should you need to.

Altitude PredictorPredict your rocket's apogee altitude based on motor thrust, mass, drag coefficient and atmospheric conditions.

Body Tube Strength CalculatorCalculate the axial buckling strength of your rocket body tube based on dimensions and material.

Descent calculatorCalculate parachute and streamer descent rates, times and velocities for your rocket recovery system.

Ejection Charge CalculatorCalculate the amount of FFFFg black powder needed for your rocket's ejection charge based on airframe dimensions and desired pressure.

ESP web programmerWrite, edit, compile and upload ESP32 code right here on our website hassle free. It just works!

Fin Flutter Speed CalculatorCalculate the maximum safe airspeed before destructive fin flutter based on fin geometry, material and flight altitude.

Firmware updateUpdate or restore your firmware on your altimeter using our handy online web tool.

Flight log uploadYou can upload your Nano flight logs here using our secure upload tool. Any edited flight logs will be rejected so we only host genuine as flown logs.

Flight log verificationYou can check your Nano flight logs here to ensure they are genuine and unchanged from when the Nano wrote the file using the integrated security features.

GNSS seed dataFree AGNSS assisted-orbit files (GPS, Galileo, BeiDou) for fast cold-start fixes. Rebuilt every 20 minutes. Raw, zlib or LZMA, whole or chunked, over http or...

Inland Water MapBrowse lakes, ponds, reservoirs and rivers worldwide at 10 m over satellite imagery. Search a place and hover to see whether a spot is water, how much water ...

Laser Cut Parts DesignerDesign bulkheads, centering rings and fins for laser cutting. Export as DXF or SVG with real-world dimensions.Launch Site Survey, Weather & Predicted LandingRocket landing prediction and launch site weather: wind shaped by the terrain, the chance of landing on each hazard, and where to stand for radio tracking.

Line of Sight & Radio PathDrag two points onto a map and see whether they can see each other over the real ground, with the earth curvature, the blocking ridge marked, Fresnel clearan...

Main Roads MapMotorways and main roads worldwide at 10 m over satellite imagery, as a landing hazard. Search a place and hover to see whether a spot is on a main road and ...

Nano USB SettingsConfigure a Rocketry Ltd Nano V1 altimeter over USB straight from the browser. Sample rate, hybrid logging, launch detection, log format and calibration, wit...

Online USB PortalUse our online USB data reader to grab quick flight summaries from devices, or your WiFi passwords if you can't remember it.

Online USB WiFi configuratorThis tool can set your altimeters WiFi settings via a USB cable from your browser with ease.

Power Lines MapTransmission and distribution lines worldwide at 10 m over satellite imagery, with every pylon and its height. Search a place and hover for the nearest line ...

Rail Exit Velocity CalculatorCalculate the speed your rocket leaves the launch rail and whether it will be stable in current wind conditions.

Recovery Drift CalculatorEstimate how far your rocket will drift during descent based on altitude, descent rate and wind speed.

Tree Canopy Height MapBrowse tree heights and woodland cover worldwide over satellite imagery. Search a place and hover to read the canopy height, how wooded the ground is and the...

Visibility & Tracking CalculatorEstimate the maximum altitude and distance at which you can visually track your rocket during flight.

Wind Turbine MapEvery wind turbine drawn with its rotor to scale, with its tip height, hub height and rotor diameter, from the national registers and OpenStreetMap.

Cloud API

Introduction My DevicesThe devices on your account with their online state, firmware and latest flight. Needs your API key.CSV Verification Flight Info Upload API Search Terrain ElevationFree ground elevation lookup API: metres above sea level at any latitude and longitude on land, single point or batch, JSON.Terrain Grid Tree Canopy Inland Water Roads & Railways Wind Turbines Power Lines Line of SightFree public line of sight API. Give it two coordinates and antenna heights and it walks the real ground between them, adds earth curvature (4/3 radius for ra...Weather DataA day of GFS winds, temperatures and air density by height, the GEFS ensemble spread and the ground height for any place.GNSS Seed DataAssisted GNSS orbit files for a fast first fix: GPS, Galileo, BeiDou, GLONASS and QZSS ephemeris as MGA frames, rebuilt every 10 minutes. No key needed.Landing PredictionWhere a rocket will land: simulated flights in the forecast wind and terrain, with the chance of each hazard and the radio coverage. Needs your API key.

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Choose your device

Select the device you want to update. We will guide you through connecting it and installing the latest firmware.

Mercury Plus

Mercury Plus

256G High-performance WiFi-enabled altimeter

Mercury V1

Mercury V1

High-performance WiFi-enabled altimeter

Nano V1

Nano V1

Compact altimeter for small rockets

Jupiter V1

Jupiter V1

Advanced altimeter & flight computer with telemetry and expansion modules

Snapshot Screen V1

Snapshot Screen V1

External display for altimeters

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