{"id":555,"date":"2014-06-21T23:40:22","date_gmt":"2014-06-21T23:40:22","guid":{"rendered":"http:\/\/shorties.be\/pa00news\/?p=555"},"modified":"2014-06-21T23:57:39","modified_gmt":"2014-06-21T23:57:39","slug":"antenne-foto-69-pa3bnx-ontwerp-simpele-doppler-peiler","status":"publish","type":"post","link":"http:\/\/shorties.be\/pa00news\/foto-actie\/antenne-foto-69-pa3bnx-ontwerp-simpele-doppler-peiler\/","title":{"rendered":"Antenne-foto 69, PA3BNX, ontwerp simpele doppler-peiler"},"content":{"rendered":"<p><img loading=\"lazy\" src=\"http:\/\/shorties.be\/persberichten4\/us_flag.jpg\" alt=\"\" width=\"30\" height=\"20\" align=\"left\" border=\"0\" \/>\u00a0 Still enthousiast about doppler direction-finders after as much as 13 years. This is partly because it isn&#8217;t too easy&#8230;<\/p>\n<p>The devil is in the detail, such as the antenna array. And the software, of course&#8230;<\/p>\n<p>I even have the antenna on a plate in the way such as I did send in before. So I can hunt for transmitters in the same manner as AT (= Dutch FCC, Ofcom etc.) does. This is done in amplitude modulation by means of a correlation detector. In my software this is called a &#8216;SinCos detector&#8217;.<\/p>\n<p>It is nothing more or less than being a pioneer. Luckily PA8W is helping. Just like PE0SSB and PA0SIR and others do.<\/p>\n<p>But slowly we are really getting somewhere, as can be seen via the URL&#8217;s (texts mostly in Dutch language) below.<\/p>\n<p><img loading=\"lazy\" src=\"http:\/\/shorties.be\/persberichten4\/nl_flag.jpg\" alt=\"\" width=\"30\" height=\"20\" align=\"left\" border=\"0\" \/>\u00a0 Tsja ik ben na 13 jaar nog steeds enthousiast over doppler peilen. Dat komt omdat het niet makkelijk is hi&#8230;<\/p>\n<p>Het venijn zit in de kleine dingen zoals de antenne array. En natuurlijk de software.<\/p>\n<p>Ik heb zelfs een plaatantenne zoals op de eerdere foto die ik ingestuurd heb. Dus net zo peilen als de AT auto&#8217;s doen hi. Dat gaat in de mode AM met een correlatie-detector. In mijn software heet dat SinCos detector.<\/p>\n<p>Het is pionieren gelukkig denkt PA8W wel mee net als PE0SSB en PA0SIR en anderen.<\/p>\n<p>Maar langzamerhand wordt het toch wel wat.<\/p>\n<p>Kijk maar op onze sites en threads op zendamateur.com<\/p>\n<p><a href=\"http:\/\/www.pi4wag.nl\/index.php\/pseudo-doppler-radio-direction-finder\" target=\"_blank\">http:\/\/www.pi4wag.nl\/index.php\/pseudo-doppler-radio-direction-finder<\/a><br \/>\n<a href=\"http:\/\/members.chello.nl\/~w.hofman\/pa8w\/dopplerRDF.htm%20\" target=\"_blank\">http:\/\/members.chello.nl\/~w.hofman\/pa8w\/dopplerRDF.htm <\/a><\/p>\n<p>Threads<br \/>\n<a href=\"http:\/\/www.zendamateur.com\/viewtopic.php?f=11&amp;t=7271\" target=\"_blank\">http:\/\/www.zendamateur.com\/viewtopic.php?f=11&amp;t=7271<\/a><br \/>\n<a href=\"http:\/\/www.zendamateur.com\/viewtopic.php?f=14&amp;t=9124\" target=\"_blank\">http:\/\/www.zendamateur.com\/viewtopic.php?f=14&amp;t=9124<\/a><\/p>\n<p>73&#8217;s<\/p>\n<p>Lodewijk, PA3BNX<\/p>\n<p><a href=\"http:\/\/shorties.be\/pa00news\/wp-content\/uploads\/2014\/06\/Flyer-Doppler-NL1.pdf\" target=\"_blank\"><img loading=\"lazy\" class=\"size-medium wp-image-557 aligncenter\" src=\"http:\/\/shorties.be\/pa00news\/wp-content\/uploads\/2014\/06\/screendump_doppler-peiler-495x640.jpg\" alt=\"screendump_doppler-peiler\" width=\"495\" height=\"640\" srcset=\"http:\/\/shorties.be\/pa00news\/wp-content\/uploads\/2014\/06\/screendump_doppler-peiler-495x640.jpg 495w, http:\/\/shorties.be\/pa00news\/wp-content\/uploads\/2014\/06\/screendump_doppler-peiler.jpg 750w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/shorties.be\/pa00news\/wp-content\/uploads\/2014\/06\/Flyer-Doppler-NL1.pdf\" target=\"_blank\">Flyer Doppler-NL1<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Still enthousiast about doppler direction-finders after as much as 13 years. This is partly because it isn&#8217;t too easy&#8230; The devil is in the detail, such as the antenna array. And the software, of course&#8230; I even have the antenna on a plate in the way such as I did send in before. So [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/posts\/555"}],"collection":[{"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/comments?post=555"}],"version-history":[{"count":5,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/posts\/555\/revisions"}],"predecessor-version":[{"id":562,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/posts\/555\/revisions\/562"}],"wp:attachment":[{"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/media?parent=555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/categories?post=555"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/shorties.be\/pa00news\/wp-json\/wp\/v2\/tags?post=555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}