CALMA Small Radio Telescope - page under construction

Antenna Name: CALMA SRT 00 Type: Mesh Parabolic Reflector Diameter: 2.40m F/D: 0.40 Focal Length: 0.96m HPBW: H-V 6° Working Frequency: up to 6GHz Aperture Efficency: 0.52 Gain: 28dB Feed Type: Low Profile Helix Antenna Polarization: LCP Center Frequency: 1420.0 MHz Wavelength: 0.21m Impedence: before matching ~133Ω after matching ~50Ω Gain: ~6dB LNA Amplifier Model: SPF5189Z Type: Wideband Figure Noise at 1420MHz: ~0.68dB Impedence: 50Ω Power Supply: 5V Power Consumation 180mA BandPass Filter 1420-1470MHz Total Gain at 1420MHz: ~30dB Rotor Model: SPID BIGRAS-HR Type: Alt-az Encoders Resolution 0.1° Control Unit MD-01 Receiver Model: USB-TV dongle Manifacture: Rafael R820T tuner Type: Super-Heterodyne Impedence: 50Ω Demodulator: Realtek RTL2832U Sampling: 8bit Sample Rate: 2.4MS/s PC Interface: USB 2.0