# RCM Canadian SmallSat bus
*bus . products*

## Specifications
- **manufacturer**: mda-space
- **product status**: operational
- **deployment context**: orbital
- **bus**: {"power_w":1600,"form_factor":"3.6 m x 1.1 m bus dimensions reported for RCM","platform_class":"large"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: mda-space
- **attributes**: {"kind":"bus","manufacturer":"mda-space","product_status":"operational","deployment_context":"orbital","bus":"{\"power_w\":1600,\"form_factor\":\"3.6 m x 1.1 m bus dimensions reported for RCM\",\"platform_class\":\"large\"}"}

## Editorial
RCM Canadian SmallSat bus is the platform module used for the three identical RCM spacecraft.[^csa-rcm-components] It provides attitude and orbit control, power generation and storage, payload command handling, telemetry, thermal control, and primary support structure.[^csa-rcm-components] The spacecraft mass is 1,400 kg, peak power is below 1,600 W, average power is below 220 W, and bus dimensions are 3.6 m x 1.1 m.[^csa-rcm-components][^csa-radarsat-comparison]

## Compositional position
- rcm (missions) --[mission_buses]--> RCM Canadian SmallSat bus

## Sources
- [csa-rcm-components] | Components and specifications, Canadian Space Agency | https://www.asc-csa.gc.ca/eng/satellites/radarsat/technical-features/components.asp | tier=agency-doc | accessed=2026-06-26
- [csa-radarsat-comparison] | RADARSAT satellites technical comparison, Canadian Space Agency | https://www.asc-csa.gc.ca/eng/satellites/radarsat/technical-features/radarsat-comparison.asp | tier=agency-doc | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/rcm-smallsat-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)