ESA-Haystack Radiotelescope: the Hardware

Joachim Köppen Strasbourg 2010

Our telescope is the Small Radio Telescope (SRT) from the CASSI Inc., donated to us by the generosity of ESA. The system consists of

• 2.3 m diameter parabolic dish reflector
• CASSI digital receiver, tunable in the range 1370 ... 1800 MHz, providing a FFT spectrum output
• band-pass filter ahead of low-noise preamplifier, at 1420 MHz centre frequency, to reject interference signals from nearby GSM tower
• CASSI AzEl mount, remotely controlled
• System temperature: about 1000 K (apr.2010) ... 200-300 K (after june 2011)
• 120 m long coaxial and control cables
• to compensate D.C. resistance in the long coaxial cable, a 5 VDC source is connected in series with the computer interface
• CASSI computer interface controller for rotator and receiver control
• JKSRT3 Java Graphical User Interface program, extensively modified from the version available at CASSI

| Top of the Page | Back to the MainPage | to my HomePage |

last update: Apr. 2010 J.Köppen