Jay, Thank you! Which Softrock receiver do you recommend for NAVSPASUR ?
Best wishes, Andy Sent from my iPad On Aug 10, 2013, at 8:24 PM, "Jay Salsburg" <[email protected]> wrote: > As far as I understand, you do not need to write drivers or custom software, > but you may be doing something not understood in your message. Radio > Astronomy at 18-22 MHz is possible but not with any of those low cost > Dongles, for 2 general reasons. The biggest is that there are none available > for those frequencies; 18-22 MHz, the other is that they are noisy, with only > 8bit conversion. Use the SoftRock for Astronomy (Antennas are more > important). http://fivedash.com/ > > Radio Astronomy requires narrow band, high dynamic range, and high bit depth > all of which these dongle do not provide. The same restrictions apply for the > NAVSPASUR reception. After you build a very good antenna, NAVSPASUR > monitoring for meteors requires a CW, 3k bandwidth, with moderately good > frequency stability. > > Visit my web site for massive content. > http://www.salsburg.com/NAVSPASUR/ > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Andrew Mount > Sent: Friday, August 09, 2013 9:25 AM > To: [email protected] > Subject: Fwd: Need a starting point to learn RTL-SDR > > > > ---------- Forwarded message ---------- > From: Andrew Mount > Date: Friday, August 9, 2013 > Subject: Need a starting point to learn RTL-SDR > To: Andrew Back <[email protected]>, > "[email protected]" > <[email protected]> > > > Andrew, > > Thank you. > > I have two radio astronomy projects in mind. The first is a HF system that > will enable me to pick or zoom into a narrow band of frequencies , say > 20-22 mHZ from a larger 18 - 26 mHZ range ( currently scanned by a > spectrograph) to study N type storm events from Jupiter. This will require > coding on my part as I have to interface with pre-existing software in order > to load data accepted by the NASA RADIO JOVE archive. > > The other application ( much easier) is to build an RTL based 220 mHZ range > meteor scatter detection system. The meteor detection system is the current > project. I have the computer, the RTL and am waiting on the antenna, ( due > to arrive by 30 August). This has already been worked out software wise, > it is a plug and chug type of project. The advantage is that I can be > collecting meteor data by the end of the year and I will learn about RTL SDR > in the process. > > In order to build my own custom SDR system, what is needed is knowledge of a > more how to -and what is- type. I need to learn the technical language, what > programs to use, how an RTL works, integration with a build ( i have access > to Matlab? ) environment, how to write drivers, etc. I need to know how > it works, how to speak the language and what are the prerequisite tools to > get the job done. > > Any suggestions that would build proficiency in these areas would be > invaluable for me. > > Thanks for responding so quickly and best wishes, > > Andy > > On Friday, August 9, 2013, Andrew Back wrote: > On 9 August 2013 13:03, Andrew Mount <[email protected]> wrote: > > Are there any good books or Internet references that the listserv members > > could recommend as a starting point ? > > > > I am an amateur astronomer who is interested in learning how to use RTL-SDR > > to do radio astronomy. > > The top Google result looks promising: > > http://www.rtl-sdr.com/rtl-sdr-for-budget-radio-astronomy/ > > Regards, > > Andrew > > -- > Andrew Back > http://carrierdetect.com > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.2904 / Virus Database: 3211/6568 - Release Date: 08/10/13
