Xref: utzoo sci.astro:12827 sci.electronics:19711 Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!athena.cs.uga.edu!boone From: boone@athena.cs.uga.edu (Roggie Boone) Newsgroups: sci.astro,sci.electronics Subject: Strip chart recorders ??? Message-ID: <1991Apr29.125725.14314@athena.cs.uga.edu> Date: 29 Apr 91 12:57:25 GMT Sender: boone@athena.cs.uga.edu (Roggie Boone) Distribution: usa Organization: University of Georgia, Athens Lines: 22 Hi! Can anyone supply me with a name and address of a company that has strip-chart recorders (ie. a device that rolls a paper strip underneath a pen that moves back and forth depending on the strength of the input signal to the instrument, thereby yielding a nice "picture" of signal strength over time). (Forgive my non-technical description there). I do not need anything fancy -- this is just for a home project, so the cheaper the better. I am thinking about building a simplified radio telescope to "listen" to activity on the Sun and would like to hook the strip chart recorder up to the radio telescope so that I can have a visual record of the solar activity. As an alternative, if anyone knows of articles, books, and or schematics that show how to hook the output of a device such as the radio telescope to a computer (old IBM PC) so that the info could be recorded directly to disk and then graphed later, please send such info also. Thank you very much. Roggie Boone boone@athena.cs.uga.edu