{"id":1111,"date":"2012-03-11T19:44:56","date_gmt":"2012-03-12T00:44:56","guid":{"rendered":"http:\/\/swling.com\/db\/?p=1111"},"modified":"2012-03-11T19:44:56","modified_gmt":"2012-03-12T00:44:56","slug":"cross-country-wireless-sdr-4","status":"publish","type":"post","link":"https:\/\/swling.com\/db\/2012\/03\/cross-country-wireless-sdr-4\/","title":{"rendered":"Cross Country Wireless SDR-4"},"content":{"rendered":"<div id=\"attachment_1115\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"http:\/\/swling.com\/db\/wp-content\/uploads\/2012\/03\/sdr-4.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1115\" class=\"size-medium wp-image-1115\" title=\"sdr-4\" src=\"http:\/\/swling.com\/db\/wp-content\/uploads\/2012\/03\/sdr-4-300x202.jpg\" alt=\"\" width=\"300\" height=\"202\" srcset=\"https:\/\/swling.com\/db\/wp-content\/uploads\/2012\/03\/sdr-4-300x202.jpg 300w, https:\/\/swling.com\/db\/wp-content\/uploads\/2012\/03\/sdr-4.jpg 538w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1115\" class=\"wp-caption-text\">The Cross Country Wireless SDR-4<\/p><\/div>\n<p>The Cross Country Wireless SDR-4 is an affordable SDR (software defined radio)\u00a0\u00a0covering the HF spectrum from 0.85 to 30 MHz. It features\u00a0a Si570 low noise synthesised VFO, relay switched band pass filtering, a power FET RF amplifier and a built-in USB soundcard.<\/p>\n<p>The price of the SDR-4 is \u00a3149.95 plus shipping from the UK.<\/p>\n<p><strong>Specifications\/features (per manufacturer):<\/strong><\/p>\n<ul>\n<li>Antenna isolation transformer with a 50 or 450 ohm impedance input for use with coax fed antennas or random wire antennas<\/li>\n<li>Extra antenna isolation when the receiver is powered down<\/li>\n<li>Relay switched RF band pass filters<\/li>\n<li>RF amplifier using a power MOSFET in the receiver front end<\/li>\n<li>Internal 10 MHz RF level calibration oscillator<\/li>\n<li>Built-in USB stereo soundcard<\/li>\n<li>3.5mm soundcard audio output for headphone monitoring or connection to datamodes program<\/li>\n<li>Built in a compact aluminium case 175 x 106 x 30 mm<\/li>\n<\/ul>\n<p><strong>Resources:<\/strong><\/p>\n<p><a title=\"Croos Country Wireless\" href=\"http:\/\/www.crosscountrywireless.net\/sdr-4.htm\" target=\"_blank\">Manufacturer&#8217;s product page for the\u00a0Cross Country Wireless SDR-4<\/a><\/p>\n<ul>\n<li>Retailers<\/li>\n<ul>\n<li>Buy directly from the manufacturer&#8211;per their instructions:\u00a0<em>Since then demand has been very high [for the SDR-4] and rather than having a Paypal button on the webpage we have started a waiting list of potential customers. When batches of the receivers are ready we email potential customers with an option to buy a receiver.\u00a0Contact Chris Moulding, G4HYG via\u00a0<a href=\"mailto:info@crosscountrywireless.net\">info@crosscountrywireless.net<\/a>\u00a0to be added to the list.<\/em><\/li>\n<\/ul>\n<li>Documentation<\/li>\n<ul>\n<li><a title=\"Quick Start Guide\" href=\"http:\/\/www.crosscountrywireless.net\/CCW_SDR-4_receiver_quick_start_guide_v1.3.pdf\" target=\"_blank\">SDR-4 receiver Quick Start Guide v1.3<\/a>\u00a0(PDF)<\/li>\n<li><a title=\"Setup app\" href=\"http:\/\/www.crosscountrywireless.net\/CCW%20SDR-4%20setup%20program%20v1.03.zip\" target=\"_blank\">The SDR-4 setup program<\/a>\u00a0(.ZIP)<\/li>\n<li><a title=\"Block Diagram\" href=\"http:\/\/www.crosscountrywireless.net\/SDR-4%20block%20diagram%20v2.jpg\" target=\"_blank\">SDR-4 receiver block diagram<\/a>\u00a0(JPG)<\/li>\n<\/ul>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Cross Country Wireless SDR-4 is an affordable SDR (software defined radio)\u00a0\u00a0covering the HF spectrum from 0.85 to 30 MHz. It features\u00a0a Si570 low noise synthesised VFO, relay switched band pass filtering, a power FET RF amplifier and a built-in &hellip; <a href=\"https:\/\/swling.com\/db\/2012\/03\/cross-country-wireless-sdr-4\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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":[464,467,196],"tags":[587,465,301,466,458,447,300],"class_list":["post-1111","post","type-post","status-publish","format-standard","hentry","category-cross-country-wireless","category-made-in-the-uk","category-software-defined-radios-sdr","tag-cross-country-wireless","tag-cross-country-wireless-sdr-4","tag-sdr","tag-sdr-4","tag-shortwave-radios","tag-software-defined-radio","tag-software-defined-radios"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1f4Ph-hV","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/posts\/1111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/comments?post=1111"}],"version-history":[{"count":6,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/posts\/1111\/revisions"}],"predecessor-version":[{"id":1118,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/posts\/1111\/revisions\/1118"}],"wp:attachment":[{"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/media?parent=1111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/categories?post=1111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/db\/wp-json\/wp\/v2\/tags?post=1111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}