Hi all,

I have known Jeff for some time.  He is very active and knowledgeable in radio
astronomy.  He was one of the founder of SARA the society of amateur radio
astronomy.

Raul

Doug wrote:

> Jim Hannon wrote:
>
> > Does anyone know anything about this book?
> > "Earthquakes, Mechanisms and Detection. An Amateur Primer"
> >
> >                                                     by Jeffrey M. Lichtman
>
> No, but the name rang a bell, and sure enough I found the same name on a
> radio astronomy page. Seems that Jeffery does a lot of work in radio
> astronomy including this book:
>
>   http://www.nitehawk.com/rasmit/jml_bk.html
>
> In addition to this seismic fascination, I've been exploring the basics
> of radio astronomy. Very interesting. And similar to seismology in quite
> a few ways. Radio "viewing" is much like seismic recording: you have a
> weak signal, you pass it through amp/filters, you do analog/digital
> sampling, then send it to a chart recorder or data file. The challenges
> are also similar in getting a S/N ratio and timing system that makes
> the data useful. It appears that almost all of the relevant technology
> aside from the sensor/antenna itself is the same. I found this very
> interesting place a while ago:
>
>   http://www.nitehawk.com/rasmit/jm_10.html
>
> They have the high end SETI systems and hydrogen line spectrometers,
> but they also have some low-cost amplifiers tuned to frequencies to
> monitor jupiter noise storms and solar activity. I am contemplating
> trying to monitor some jupiter activity here just for kicks.
>
> Hey -- I just realized that it was Jefferey M. Lichtman who answered
> my questions about the jupiter and solar systems:
>
> >Hi Doug,
> >
> >Here are your answers:
> >
> >> 1) What additional equipment would I need to use these radio
> >>    telescope units? Please advise on what type of antennas,
> >>    filters, and anything else that would be required to get a
> >>    minimal/simple system going.
> >
> >Full instructions for a standard wire dipole are given for the
> >Jupiter system. The VLF comes with the dipole wire, as were the
> >Jupiter one does not.
> >
> >In addition, the VLF can be equipped with a 12 Bit A/D converter
> >and software, for an additional $50.00. This way, you can attach
> >that to a simple 286 or higher IBM type computer.
> >
> >>2) I want to capture the signals to a host computer, so I
> >>    assume that some kind of analog/digital converter will be
> >>    required. Please recommend what type of card/software
> >>    would be appropriate (ie what resolution etc would I need)?
> >
> >Answered above for the VLF. The Jupiter receiver will work with the
> >Radio Sky Data Collect Lite Software and their A/D unit (must be built).
> >
> >> 3) Are you aware, or can you recommend any software that
> >>    would be appropriate for use with the RF2001A and VLD Solar
> >>    radio telescopes?
> >
> >Same as above.
> >
> >> 4) Are the instructions that come with the RF2001A and VLF Solar
> >>    telescopes detailed enough for a radio astronomy newbie to
> >>    get a system running and recording signals?  If not, how
> >>    else can I get that information?
> >
> >Yes!
> >
> >> 5) Where can I find more information about Jupiter storm
> >>    monitoring and solar activity monitoring as it relates to
> >>    your products?
> >>
> >Many sources on the web about both subjects, also in our books.
> >
> >>   - Does Mr Dick Flagg have information on the web or in books
> >>     or other resources about jupiter monitoring?
> >
> >No
> >
> >>      - What books would you recommend to a newbie trying to do
> >>        simple radio astronomy, assumijng that I'm starting with
> >>        jupiter storms and solar studies?
> >
> >Radio Astronomy Handbook by Sickels, also check our website links.
> >
> >> 6) Are amatuer radio licences or other licences required to
> >>    operate your products, and if so, which require licences?
> >>    Would I need a license to operate the Ultra Cyber or the
> >>    Seeker 2000 for example?
> >
> >Licenses are required ONLY on transmitting equipment. Not on receivers.
> >
> >Hope this info helps. Let us know if we can be of further service.
> >
> >
> >Best Regards,
> >Jeffrey M. Lichtman
> >Radio Astronomy Supplies
> >http://www.nitehawk.com/rasmit/ras.html
>
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