EO·Atlas
SAR-C
Compiled from public sources on 2026-05-28. Not independently verified by Dragonfly Aerospace.
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C-band synthetic aperture radar payload with a deployable phased array antenna and 300-600 MHz chirp bandwidth. Supports Stripmap (20-44 km swath), Spotlight (10 km), ScanSAR (100 km), and Sliding Spotlight imaging modes. Designed as the primary payload for the Dragonfly-C satellite (350 kg total mass, 176 kg payload mass). Single-polarisation configuration.
SAR-C is a C-band synthetic aperture radar payload manufactured by Dragonfly Aerospace, designed as the primary sensor for the Dragonfly-C satellite. The payload mass is 176 kg; the Dragonfly-C satellite total mass is 350 kg, with a bus dry mass of 163 kg -- the difference reflects propellant, harness, and margins.[1]
The payload uses a deployable phased-array antenna. Chirp bandwidth spans 300-600 MHz (450 MHz midpoint used; the specific operational value is not published in accessible sources). Single-polarisation configuration is confirmed; VV is assumed as the default C-band EO SAR mode.[1] Centre frequency, per-mode spatial resolution (range x azimuth), and antenna dimensions are not available from accessible public sources.
Four imaging modes are supported:
| Mode | Swath |
|---|---|
| Stripmap | 20-44 km (32 km midpoint) |
| Spotlight | 10 km |
| ScanSAR | 100 km |
| Sliding Spotlight | 20 km |
As of 2026-05-28, the Dragonfly-C satellite is in development with no confirmed launch date.[1]
| Methodology | Evidence class |
|---|---|
| SAR backscatter change detection | Capable |
| InSAR surface deformation | Capable (pending review) |
| Optical-SAR fusion | Capable |
- [1]Dragonfly-C - SmallSat Platform | SatCatalogcommunity2026-05-28