{"id":1373,"date":"2015-06-19T09:22:00","date_gmt":"2015-06-18T23:22:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2015\/06\/19\/why-are-relays-marked-k-on-schematics\/"},"modified":"2015-06-19T09:22:00","modified_gmt":"2015-06-18T23:22:00","slug":"why-are-relays-marked-k-on-schematics","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2015\/06\/19\/why-are-relays-marked-k-on-schematics\/","title":{"rendered":"Why are relays marked &#8220;K&#8221; on schematics?"},"content":{"rendered":"<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div style=\"margin-left: 1em; margin-right: 1em;\"> <img decoding=\"async\" src=\"http:\/\/s.hswstatic.com\/gif\/relay-ch.jpg\" \/><\/div>\n<p> <strong><\/strong><br \/> <strong><\/strong> <\/p>\n<div style=\"text-align: left;\"> <strong><em>Our official SolderSmoke etymologist and lexicographer Steve Silverman explains:<\/em> <\/strong><\/div>\n<div style=\"text-align: left;\"> <strong><\/strong><\/div>\n<div id=\"yui_3_16_0_1_1434704746064_11246\" style=\"text-align: left;\">\n<div id=\"yui_3_16_0_1_1434704746064_11247\">\n<div id=\"yui_3_16_0_1_1434704746064_11248\">\n<div id=\"yui_3_16_0_1_1434704746064_11250\">\n<div> <strong>Bill<\/strong><\/div>\n<div> <strong><br \/><\/strong><strong> Here is some ham radio\/electronics trivia<\/strong><\/div>\n<div> <strong> In the days when amateur radio used short range spark transmitters, multi-station relays were used to move a message across longer distances. At the end of each transmission, a &#8220;K&#8221; was sent, which told the receiving operator to commence his relay to the next station. <\/strong><strong>Hence the use of &#8216;K&#8221; to designate a relay in a schematic diagram, and &#8220;end-of-transmission&#8221; for CW operators. <\/strong><strong>And hence the American Radio RELAY League<\/p>\n<p>73<\/strong><strong>Steve Silverman<\/strong><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div style=\"text-align: left;\"> <strong>KB3SII &#8230; .. ..<\/strong><\/div>\n<p> Our book: &#8220;SolderSmoke &#8212; Global Adventures in Wireless Electronics&#8221; <a href=\"http:\/\/soldersmoke.com\/book.htm\">http:\/\/soldersmoke.com\/book.htm<\/a> Our coffee mugs, T-Shirts, bumper stickers: <a href=\"http:\/\/www.cafepress.com\/SolderSmoke\">http:\/\/www.cafepress.com\/SolderSmoke<\/a> Our Book Store: <a href=\"http:\/\/astore.amazon.com\/contracross-20\">http:\/\/astore.amazon.com\/contracross-20<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our official SolderSmoke etymologist and lexicographer Steve Silverman explains: Bill Here is some ham radio\/electronics trivia In the days when amateur radio used short range spark transmitters, multi-station relays were used to move a message across longer distances. At the end of each transmission, a &#8220;K&#8221; was sent, which told the receiving operator to commence &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2015\/06\/19\/why-are-relays-marked-k-on-schematics\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Why are relays marked &#8220;K&#8221; on schematics?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100,31],"tags":[],"class_list":["post-1373","post","type-post","status-publish","format-standard","hentry","category-old-radio","category-radio-history"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/1373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=1373"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/1373\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=1373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=1373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}