https://kc7mm.com/wiki/ 2026-04-04T09:48:00+0000 https://kc7mm.com/wiki/ https://kc7mm.com/wiki/lib/tpl/adoradark/images/favicon.ico text/html 2021-01-04T23:20:39+0000 Anonymous (anonymous@undisclosed.example.com) https://kc7mm.com/wiki/doku.php?id=sdr:gnu_radio&rev=1609802439&do=diff GNU Radio Companion AKA: GRC [NOTE: This page originated as notes for the September 2, 2019 session of the Linux User Net ] This section documents my experience with GNU Radio Companion. All of my computers run Linux, so that's what is covered here. This software should work on Mac and Windows, as well. text/html 2019-08-07T23:58:57+0000 Anonymous (anonymous@undisclosed.example.com) https://kc7mm.com/wiki/doku.php?id=sdr:its_an_sdr&rev=1565222337&do=diff "It's an SDR" — what does that mean? [NOTE: this originated as a Linux User Net discussion topic for Aug. 5, 2019] Indroduction The term “SDR” — Software Defined Radio — has been widely used and misused, both for descriptive and marketing purposes. As a result, it has can mean many things, depending on the context in which it is used, as well as the perspecive of the speaker. text/html 2020-09-10T18:12:11+0000 Anonymous (anonymous@undisclosed.example.com) https://kc7mm.com/wiki/doku.php?id=sdr:sdr_home&rev=1599761531&do=diff SDR: Software Defined Radio Background The past three decades or so have seen a steady increase in the capabilities of digital computers. With those increased capabilites has come the development of techniqes that allow computers to perform tasks that had previously been accompished only through physical (analog) means. Whole fields of endeavor that existed as manual, mechanical, or chemical processes, have been transformed into virtual processes performed on various incarnations of digital co… text/html 2019-06-13T01:27:06+0000 Anonymous (anonymous@undisclosed.example.com) https://kc7mm.com/wiki/doku.php?id=sdr:sdr_primer_1&rev=1560389226&do=diff SDR for Amateur Radio: a Primer [NOTE: This Primer is based on my notes for a series of presentations on the Linux User Net, during May and June of 2019. -KC7MM] ---------- ---------- Part 1: Introduction What this primer is about I recently moved to a new home, and I'm in the process of setting up my station there. What I want to do is to locate my radios in the garage, where they can run off our solar power system's battery backup, and where there is good access to the outside for ru…