{"id":1152,"date":"2010-08-06T00:08:10","date_gmt":"2010-08-06T00:08:10","guid":{"rendered":"http:\/\/ishmaels.net\/blog\/?p=1152"},"modified":"2018-11-11T23:10:04","modified_gmt":"2018-11-11T23:10:04","slug":"sdr-is-leading-ham-radio-into-a-new-era-2","status":"publish","type":"post","link":"https:\/\/www.ishmaels.net\/blog\/2010\/08\/06\/sdr-is-leading-ham-radio-into-a-new-era-2\/","title":{"rendered":"SDR is Leading Ham Radio Into a New Era"},"content":{"rendered":"<p>I don&#8217;t have one, I may never have one, as I am &#8220;old-fashioned&#8221;.  I say that because I love the knobs, dials, settings, controls, etc of a physical <strong class='StrictlyAutoTagBold'>radio<\/strong>.  Yes in the <strong class='StrictlyAutoTagBold'>SDR<\/strong> you have the same things but they are on the monitor screen.  I like that idea and have nothing against it, I just prefer, at present, to have the <strong class='StrictlyAutoTagBold'>radio<\/strong> a separate controllable unit.  Note I said at present, as with all things and especially with my interest in technology, new stuff tends to take over my old-fashioned ways sooner or later. &#8211; WD0AJG\t\t<\/p>\n<p>What comes into your mind when you hear the words <strong class='StrictlyAutoTagBold'>Ham<\/strong> Radio? Morse code, antennas and old school communication? For sure its not old school communication, at least not anymore! Lately, a new <strong class='StrictlyAutoTagBold'>technology<\/strong> called SDR, &#8220;Software Defined Radio&#8221; is the rising star and will <strong class='StrictlyAutoTagBold'>change<\/strong> <strong class='StrictlyAutoTagBold'>Ham<\/strong> Radio fundamentally during the upcoming years.<\/p>\n<p>In principal, a big part of the <strong class='StrictlyAutoTagBold'>radio<\/strong> (that&#8217;s a box containing a lot if capacitors, coils, transistors..etc) is replaced partially by our computers which allow us to flexible <strong class='StrictlyAutoTagBold'>change<\/strong> the functionality without touching the soldering iron.<\/p>\n<p><b>Three basic components<\/b><\/p>\n<p>When talking about radios (or any communication device) we can break it down into three major components:<\/p>\n<p>1. The <strong class='StrictlyAutoTagBold'>RF<\/strong> Component<br \/>2. The Signal Processing Component <br \/>3. User Interface<\/p>\n<p>The RF component transforms the high frequency signals, the signals which are received through your antenna into a &#8220;processing ready&#8221; format (and vice versa). The Signal Processing component will shape the signal as you want to have it, for example the demodulation of a filtered Morse code signal which you will then hear on your headphones. The third component is the User Interface &#8211; these are the knobs, the displays and the touch screens where you control the radio from.<\/p>\n<p><b>SDR vs. the classic radio<\/b><\/p>\n<p>Understanding the three fundamental concepts we can start to discover now the huge advantages of a SDR, Software defined <strong class='StrictlyAutoTagBold'>radio<\/strong>. While in classic radios, all three components where combined into <strong class='StrictlyAutoTagBold'>one<\/strong> box, <strong class='StrictlyAutoTagBold'>SDR<\/strong> allows us to use them independent and define them flexible. There is no requirement anymore that the <strong class='StrictlyAutoTagBold'>RF<\/strong> component has to be in the same geographical location as the User.<\/p>\n<p>Modern technologies allow us to operate a <strong class='StrictlyAutoTagBold'>radio<\/strong> from anywhere in the world. Of course, the merit here goes also to the fast Internet who is <strong class='StrictlyAutoTagBold'>one<\/strong> of the enablers of this <strong class='StrictlyAutoTagBold'>technology<\/strong>.<\/p>\n<p><b>Discover a new radio experience<\/b><\/p>\n<p>A good example is the WebSDR receiver, located at the Dutch university of Twente. On their webpage, more than 100 users can listens simultaneously to a several hundred kHz broad spectrum of selected ham bands. This unique application is just an outlook to what kind of applications will be possible in the future with <strong class='StrictlyAutoTagBold'>SDR<\/strong>.<\/p>\n<p>While the <strong class='StrictlyAutoTagBold'>RF<\/strong> components are already quite mature, the majority of new applications will be seen in the Signal Processing and the User Interface component areas. Its definitely an exciting future and you should make sure to be a part of it!<\/p>\n<p>by Tobias, DH1TW <br \/> <a target=\"_new\" href=\"http:\/\/www.dh1tw.de\">http:\/\/www.dh1tw.de<\/a><\/p>\n<p>Do you want to learn more about SDR? Are you eager to understand to full range of this new technology?<\/p>\n<p>Learn from Tobias, BSc and enthusiastic <strong class='StrictlyAutoTagBold'>Ham<\/strong> who has dedicated himself to make <strong class='StrictlyAutoTagBold'>SDR<\/strong> more understandable and promote it within and beyond the Ham-sphere. Join him &#8211; and visit his <a target=\"_new\" href=\"http:\/\/www.dh1tw.de\">SDR<\/a> website!<\/p>\n<p>Author: <a href=\"http:\/\/EzineArticles.com\/?expert=Tobias_Wellnitz\">Tobias Wellnitz<\/a><br \/>Article Source: <a href=\"http:\/\/ezinearticles.com\/?SDR-is-Leading-Ham-Radio-Into-a-New-Era&amp;id=3820421\">EzineArticles.com<\/a><br \/><a href=\"http:\/\/www.myropcb.com\/\">Lowest price PCB Prototype<\/a><\/p>\n<p>[ad name=&#8221;Amazon-ARRL Books- Carousel&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SDR, Software Defined Radio, is a new technology which will change Ham Radio fundamentally. In this article the author describes the differences between a classic radio and this new technology. After gaining a common understanding a real life example will be shown. <\/p>\n<p><a href=\"https:\/\/www.ishmaels.net\/blog\/2010\/08\/06\/sdr-is-leading-ham-radio-into-a-new-era-2\/\">&#8220;And Now the Rest of the Story &#8211; &#8220;SDR is Leading Ham Radio Into a New Era<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[10,6],"tags":[],"class_list":["post-1152","post","type-post","status-publish","format-standard","hentry","category-ham-radio","category-hobbies","odd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SDR is Leading Ham Radio Into a New Era - And That was How it Went<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ishmaels.net\/blog\/2010\/08\/06\/sdr-is-leading-ham-radio-into-a-new-era-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SDR is Leading Ham Radio Into a New Era - And That was How it Went\" \/>\n<meta property=\"og:description\" content=\"SDR, Software Defined Radio, is a new technology which will change Ham Radio fundamentally. 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A recent test of these two technologies produced some impressive results.","rel":"","context":"In &quot;Hobbies&quot;","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":574,"url":"https:\/\/www.ishmaels.net\/blog\/2010\/06\/05\/the-how-to-guide-for-ham-radios-2\/","url_meta":{"origin":1152,"position":1},"title":"The How To Guide For Ham Radios","author":"wd0ajg","date":"June 5, 2010","format":false,"excerpt":"If you've ever heard ham radios mentioned in movies, you may find yourself a tad confused. \"Ham radios!? What do radios have to do with ham? The term \"ham\" is believed to come from the term \"amateur\".","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/ham-radio\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2185,"url":"https:\/\/www.ishmaels.net\/blog\/2010\/09\/24\/practical-uses-of-the-solar-ham-radio\/","url_meta":{"origin":1152,"position":2},"title":"Practical Uses of the Solar Ham Radio","author":"wd0ajg","date":"September 24, 2010","format":false,"excerpt":"At some point I have stated that I would like to use solar but the economics of it are just not at a point for me to jump off on that (See post). Until they get the cost per watt much closer to the cost we now pay it only\u2026","rel":"","context":"In &quot;Hobbies&quot;","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6064,"url":"https:\/\/www.ishmaels.net\/blog\/2011\/05\/06\/ham-radio-apps-for-android\/","url_meta":{"origin":1152,"position":3},"title":"Ham Radio APPs for Android","author":"wd0ajg","date":"May 6, 2011","format":false,"excerpt":"I was reading some other blogs and found a blogger listing for Iphone apps but what about the Android?\u00a0 I did some searches and\u00a0 found a few and will list them here.\u00a0 I use some but have not used very many of them.\u00a0 Guess I should get busy? For the\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Signals","src":"https:\/\/ssl.gstatic.com\/android\/market\/com.apklabs.android.signals\/hi-256-0-d80d5d13295e7cc4e2cf49affffd08c819b58cac","width":350,"height":200},"classes":[]},{"id":1175,"url":"https:\/\/www.ishmaels.net\/blog\/2010\/07\/24\/ham-radio-operators\/","url_meta":{"origin":1152,"position":4},"title":"Ham Radio Operators","author":"wd0ajg","date":"July 24, 2010","format":false,"excerpt":"Club meeting Day always fell on the first Friday of each month, which makes it the most interesting day of the month. Each gathering would begin with registration or sign-in, the reading of the preceding months meeting, announcement of new memberships, and payments of membership dues and so on.","rel":"","context":"In &quot;Hobbies&quot;","block_context":{"text":"Hobbies","link":"https:\/\/www.ishmaels.net\/blog\/category\/hobbies\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":13241,"url":"https:\/\/www.ishmaels.net\/blog\/2013\/01\/22\/update2ham-radio-apps-for-android\/","url_meta":{"origin":1152,"position":5},"title":"UPDATE2\u2013Ham Radio Apps for Android","author":"wd0ajg","date":"January 22, 2013","format":false,"excerpt":"For the Android this is my list of finds, if there are more you can add by comment below: Note-Update(01\/21\/2013):\u00a0 You can find most of these with a search at the Android market.\u00a0 But when you do a search for \u201cham radio\u201d it can throw up some strange stuff.\u00a0 Like\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Signals","src":"https:\/\/ssl.gstatic.com\/android\/market\/com.apklabs.android.signals\/hi-256-0-d80d5d13295e7cc4e2cf49affffd08c819b58cac","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/posts\/1152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/comments?post=1152"}],"version-history":[{"count":1,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/posts\/1152\/revisions"}],"predecessor-version":[{"id":17278,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/posts\/1152\/revisions\/17278"}],"wp:attachment":[{"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/media?parent=1152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/categories?post=1152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ishmaels.net\/blog\/wp-json\/wp\/v2\/tags?post=1152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}