TeleMetrum v1.0

TeleMetrum is a recording altimeter for high power model rocketry with integrated GPS and telemetry link. 

• Supports dual deployment (can fire 2 ejection charges)
• 70cm ham-band transceiver for telemetry downlink
• Barometric pressure sensor good to 45k feet MSL
• 1-axis 50g accelerometer for motor characterization
• On-board, integrated GPS receiver
• On-board 1 megabyte non-volatile memory for flight data storage
• USB for battery charging, configuration, and data recovery
• Integrated support for LiPo rechargeable batteries
• Uses LiPo to fire e-matches, optional support for separate pyro battery
• 8-pin companion port to attach option boards
• can be used to reprogram another TeleMetrum or TeleDongle board with a suitable cable
• 2.75 x 1 inch board designed to fit inside 29mm airframe coupler tube

Note that if you choose the Tyco pyro connector, the mating connectors we provide are for 22 AWG stranded wire.  Other connectors in the same series are available that support different wire gauges, but 22 is what we use.

The hardware design and software are completely open source.  Please see the Altus Metrum TeleMetrum web page for more information.  The user manual for TeleMetrum is available in both html and pdf formats.

Use of TeleMetrum as delivered requires an amateur radio license or other authorization.