Thanks for the list of resources! Played around a bit with one of the RTL-820 based USB receivers and it certainly sparked more interest. I have some reading to do!
On Wed, Jan 14, 2015 at 10:04 AM, David R. Wilson <[email protected]> wrote: > On Tue, 2015-01-13 at 15:20 -0600, andrew mcelroy wrote: > > So it was going to on GNU Radio. > > > > Me and David Wilson will pick up this topic. > > We have both been using GNU radio and are both Hams ( He's a lot > > smarter in this area than I am). > > > Thought I better comment about this and throw in a few bits about last > nights presentation. > > Andrew doesn't claim enough credit. Anything related to computer > programming he can certainly (and does) run circles around me. > We have an amazing pool of talent with NLUG. We also have many on the > mailing list that don't often show up, but are part of the resources > that we have available. > > Apologies for going off topic quite a bit last night during our > discussion. I find the SDR stuff and the hobby as a whole is > fascinating. Being a fan of technology is not all of why I also think > this stuff is very important. If some of you want to have another > session and me delve into why I think it is important, let me know. > > SDR related stuff: > > I have had my fingers into this stuff for a number of years. In the > 1980s some of my friends and I were putting in wireless networks. We > had one link that was point to point covering 120 miles at very low > power. In 1997 along with a number of people that were involved in the > wireless networking projects we started a mailing list (the TAPR HPSDR > list) (Tucson Amateur Packet Radio + High Performance Software Defined > Radio). Many of those in the TAPR group are the techie type, or at > least interested in the cutting edge of technology and often are > actually developing and inventing the cutting edge of technology. > We were discussing what could be done with the technology and had people > working on code and hardware years before there was anything out there > to prove that the concept not only would work, but would be a major turn > in many phases of electronics, anything that uses RF or even audio it > has the potential to change the traditional approaches. > > There is also a major effort underway to make many things SDR related > an open source project. Some of these links are presentations that > would be far better than what I would do and are very informative. I > would suggest watching some of it (you can skip the boring parts, like > when I am presenting such stuff and there is lots of snoring going on). > > TAPR puts on a Digital Communications Conference from time to time. > That is often where some of the latest technology is announced (or > leaked) to the public. > > https://www.youtube.com/watch?v=GP6AgPskARs > > Another one somewhat related: > > https://www.youtube.com/watch?v=eyCWJuBhADo > > A bit on the current Flex Radio software effort: > > https://www.youtube.com/watch?v=LuWaStl0GgI > > > > Some more resources (some mentioned in those videos) > > http://tapr.org/ > > http://openhpsdr.org/ > > http://w7fu.com/ > > http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioCompanion > > > Some hardware on eBay (as an example of what is out there) > > > http://www.ebay.com/itm/171548883268?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT > > For that matter just do a search on eBay or Amazon for "RTL-820" It is > far from being the only common chip set, but is one of the better known > examples. > > As for my own interests, I have been one of many participating in > getting a suite of SDR related programs working. The goal was to put > together a program suite that works across many platforms (Windows, > Linux, Android, Mac) and can be integrated with voice, data and legacy > modes. This technology is evolving very fast, so my equipment is > hardware wise already out of date, but the software is still 10 years or > more to come. I have a fairly long list of stuff that can be done with > the technology that has not seen the light of day. > > The program suite I have been playing with (or damaging depending on > your point of view): > > http://napan.ca/ghpsdr3/index.php/QtRadio_Installation > > It is still kinda ugly. Lots of stuff has not been implemented yet that > is working in the (Windows based) PowerSDR program. > > The equipment I am using at the house: > > Quad core AMD desktop machine and the HP Quad core laptop. > > The Apache Labs radio: > > https://apache-labs.com/al-products/1027/ANAN-100D-HF---6M-100W-ALL-MODE-SDR-TRANSCEIVER.html > > Not terribly important, but this sometimes helps: > http://www.rfconcepts.com/s.nl/it.A/id.3884/.f?sc=9&category=73747 > > And some antennas: > http://www.wwns.com/wwns/staff/david/2014update.html > > Some other software efforts on various platforms: > > Linrad: > http://www.sm5bsz.com/linuxdsp/linrad.htm > > From Simon (HB9DRV) > http://sdr-radio.com/ > His blog: > http://www.dit-dit-dit.com/blog.aspx > > From John (G0ORX) > > http://g0orx.blogspot.com/ > > A presentation from Phil (VK6PH) in 2008: > www.hamsdr.com/VK6APH/Fully%20Digital%20HF%20Radios.ppt > > And then there is the SDR Hardware list that is growing weekly: > > http://en.wikipedia.org/wiki/List_of_software-defined_radios > > > PowerSDR > > http://www.flexradio.com/amateur-products/flex-series/powersdr/ > > > If you have made it this far in the list and looked at all of this stuff > a bit it should be about the Middle of July. Maybe now Andrew can > extend this into the rest of the year with the ADS-B software and how > that is changing aviation. > > Dave > KU4B > > > > > > > -- > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Allen Minix / KM4DCZ Check out my blog! - http://thefatpenguin.blogspot.com -- -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
