I have been building a collection of DDS receivers for this task, using
boards from Elektor Electronics. They are RS232 controlled for
frequency. They are good general coverage receivers, though I think
they begin to tail off above 15 to 12M, as they use a 50MHz clock. It
has been a real chore to put the parts together, as some are oddball
(470KHz Murata ceramic resonators, for example). If anyone wants to
build one, I recommend buying the board and parts kit for $100 from the
Netherlands branch of Elektor, which is the most reliaable source.
Leigh.
On Sat, 12 Feb 2005 6:25 pm, Rich Lentz wrote:
Perhaps the amateur radio telescope software would work. Look at this
web
page,
http://radiojove.gsfc.nasa.gov/ they have a kit but why not use a K1
set to
one (each for a day) QRP frequencies.
More info here http://my.integritynet.com.au/purdic/radio-telescope.htm
Perhaps several of us should do this.
Used as conceived this makes a great Science Fair project for budding
(existing) hams.
Rich,
KE0X
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