On-Board Data Storage & Downlink Throughput Budget

Balance housekeeping telemetry, payload data generation, AX.25/FEC protocol overhead, and FRAM/flash ring-buffer autonomy.

On-Board Data & Downlink

Housekeeping telemetry rateB/s

Payload data per orbitkB

Radio downlink bit ratebps

Usable contact per daymin

AX.25 / FEC frame efficiency%

Non-volatile ring bufferMB

Daily data generated855 kB/d

Daily downlink capacity881 kB/d

Net daily data margin+27 kB/d

Buffer autonomy (no contact)2.4 days