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RTL-SDR

Payloads / idea 6 of 12

A software-defined radio receiver

What it earns
A 3D heat map of the LoRa and ELRS links and of interference.
Mass
about 25 g (estimate)
Does it drop
No: it stays aboard on its cover.
Notes
th-telemetry's domain. It also measures our own keel antennas in flight.

From the docs/payloads.md (brainstorm, Ryan and th-testpilot, 2026-10-05). Nothing here is decided. Have a better version of this idea, or a different one? Propose a payload.

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