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Links of interest - Special Projects - NRAO The
National Radio Astronomy Observatory has added at their RFI Monitoring
Station an ARS Unit (RCI-SE Azimuth & Elevation - 10 bits ADC) for control
their Log Periodic Antenna.
You can visit NRAO site at: http://www.gb.nrao.edu/
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| NRAO design log
periodic covering 100-1300 MHz, ICOM R-7000 discone
and a Radio Shack FM antenna (got to have NPR). The antenna rotor is
an Emotator Az/El EV-800DX |
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Frontend Box: Miteq low noise/broadband amplifier
(.05 - 2.0 GHz), switchable attenuator and coax
switch.
Cable: 1/2 inch Heliax (LDF4-50)
Backend: Miteq broadband amplifier (.05 - 2.0 GHz),
MCA204M active multicoupler (from Grove). The multicoupler feeds an
HP-8591E and 8563E spectrum analyzer and an ICOM R9000 receiver. |
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