KaTENna High Gain Cubesat Antenna, 1m+
Key Features
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Proto-Flight completed December 2017
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RF testing at 36 GHz complete
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Measured 49.2 dBi gain at 36 GHz
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Packaging, deployment, surface repeatability testing complete
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Effective aperture = 1m (Baseline design)
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Mass = 2.5 kg (reflector, boom and feed)
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Packaged volume = 3U (10x10x30cm)
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Offset fed, f/D = 0.75
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Multiple feed options, including center fed
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Scalable to 2-5m apertures
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Applications
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RF Communications
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Active radar (weather, SAR)
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Radiometer (ocean surface winds)
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US Patent 10,256,530 B2
Download Data Sheet PDF
KaPDA High Gain Cubesat Antenna
-Tendeg is the exclusive licensee of NASA JPL’s KaPDA Ka-Band antenna
-All testing complete, NASA JPL RainCube flight in May 2018
-Patent Pending
-0.5m Deployed Aperture
-1.6U Stowed Volume
-42.7 dB Gain
-With modifications to subreflector and feed, antenna can be made to operate at S, C, X, Ku, and K bands
-Communication and radar applications
Download Data Sheet PDF
KaPDA 2-Axis Gimbal
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Can track LEO to GEO, LEO to ground, LEO to LEO.
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Integrated gimbal controller with serial interface.
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50 to 100 cm diameter reflector options available.
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Polarization capabilities: RHCP, LHCP, V and H.
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RF tested to 51 GHz. Options at X, Ku, K, Ka, Q, and V bands.
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Vibration tested to 8.69 Grms.
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Antenna is TRL 9: KaPDA launched July 2018 to LEO. Deployment and radar operations fully successful.
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Gimbal assembly is TRL 6. First flight scheduled Q3 2022.
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LNA and PA can be directly attached to feed to reduce RF losses.
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Elevation axis can be counterbalanced such that center of gravity is static during gimballed antenna operations.
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US Patent 10,256,530 B2 and pending US 62/782,599.
Download Data Sheet PDF
70 cm Antenna Deployment
TENSAR High Aspect Ratio SAR Antenna
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Tensegrity Synthetic Aperture Radar
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Designed for ESPA class bus; pictured 1 x 1 x 1 m
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Baseline design is 1.4 x 7 m effective aperture
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Scalable to larger apertures
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Stows in 1.4 x 0.5 x .2 m volume
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> 1 Hz deployed first mode and < 25 kg mass
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Baseline C-band feed allows 43 dB gain
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Net shaping allows surface precision up to Ka-Band
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Reflecting surface can be gold wire mesh, passive reflect array membrane, rigid panels
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TRL 6 by Sept 2022 under NASA SBIR PHII-E
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US Patent 11,239,567 B
Download Data Sheet PDF
Perimeter Truss Reflector 1.5 - 15m
Key Features
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3m Prototype completed March 2023
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X-band directivity = 48.92 dB
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Packaging, deployment, surface repeatability testing complete
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Offset fed, F/d from 0.6 to 1.0
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Scalable to 1.5 to 15m apertures
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Operating frequencies from VHF to Ka-band
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Applications
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RF Communications
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Active radar (weather, SAR)
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Scanning and tracking
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