# radio interferometry

Published articles for radio interferometry.

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## Synthetic Aperture Radar Drone Gets Interferometric Imaging

DevFeed: [Synthetic Aperture Radar Drone Gets Interferometric Imaging](<https://devfeed.tech/articles/synthetic-aperture-radar-drone-gets-interferometric-imaging-61466.md>)

Original publisher: [Read original article](<https://hackaday.com/2026/09/28/synthetic-aperture-radar-drone-gets-interferometric-imaging/>)

Author: Aaron Beckendorf

Published: 2026-09-28T20:00:17Z

Content type: article

Language: en

Sources: [Hackaday](<https://devfeed.tech/sources/hackaday.md>)

Topics: [Medical imaging](<https://devfeed.tech/topics/medical-imaging.md>), [3D](<https://devfeed.tech/topics/3d.md>)

Tags: [drone](<https://devfeed.tech/tags/drone.md>), [fmcw-radar](<https://devfeed.tech/tags/fmcw-radar.md>), [fpga](<https://devfeed.tech/tags/fpga.md>), [gps](<https://devfeed.tech/tags/gps.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [interferometry](<https://devfeed.tech/tags/interferometry.md>), [radar](<https://devfeed.tech/tags/radar.md>), [radio-hacks](<https://devfeed.tech/tags/radio-hacks.md>), [radio-interferometry](<https://devfeed.tech/tags/radio-interferometry.md>), [rtk](<https://devfeed.tech/tags/rtk.md>), [rtk-gps](<https://devfeed.tech/tags/rtk-gps.md>), [software](<https://devfeed.tech/tags/software.md>), [synthetic-aperture-radar](<https://devfeed.tech/tags/synthetic-aperture-radar.md>)

### AI overview

The article describes improvements to a synthetic-aperture radar imaging drone, including autofocus, more accurate positioning, hardware changes, and a compression algorithm for recording data. It also explains how interferometric imaging uses flights at different altitudes to produce an elevation map.

### Source excerpt

It's been more than a year since [Henrik Forstén] built the first iteration of his synthetic-aperture radar (SAR) imaging drone, and he's certainly been productive in the meantime. Not only ...read more