Component · products

HY-2D Radar Altimeter

Dual-frequency radar altimeter flown on HY-2D.

HY-2D Radar Altimeter is a dual-frequency active radar altimeter in the HY-2D microwave payload suite, flown on HY-2D, also known as Hai Yang 2D.^[1]^[2]^[3] It operates at Ku-band 13.58 GHz and C-band 5.25 GHz.^[1]^[3] The component supports sea-surface-height and ocean-dynamics observation within the HY-2 series microwave mission objective.^[2]^[4] Its pulse-limited footprint is 2 km, with nadir ranging measurement accuracy of 2 cm.^[3] Radar altimetry is demonstrated on HY-2D, with ALT active from May 2021 and expected end of life at or after 2026.^[1]

Operator pricing

Pricing not publicly listed by operator

Supply chain position

carried by HY-2D

Sources

[1]WMO OSCAR satellite record: HY-2Dagency doc2026-06-16
[2]AVISO+ mission page: HY-2Dagency doc2026-06-16
[3]HY-2D satellite, National Satellite Ocean Application Serviceagency doc2026-06-16
[4]HY-2D satellite launch news, National Satellite Ocean Application Serviceoperator press2026-06-16

Cite https://eo-atlas.org/products/component/hy-2d-alt Markdown twin → Field definitions → Suggest a correction →

How to cite this page

Plain text

HY-2D Radar Altimeter. EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/products/component/hy-2d-alt (CC BY 4.0)

BibTeX

@misc{eoatlas:products:component:hy-2d-alt,
  title = {HY-2D Radar Altimeter},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  note = {CC BY 4.0},
  url = {https://eo-atlas.org/products/component/hy-2d-alt}
}