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 nlug-talk@googlegroups.com To unsubscribe from this group, send email to nlug-talk+unsubscr...@googlegroups.com 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 nlug-talk+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
