1.0Johnson's Techworldhttps://johnsonfrancis.org/techworldJohnson Francishttps://johnsonfrancis.org/techworld/author/jf/rich600338<blockquote class="wp-embedded-content" data-secret="aPTnBiMTar"><a href="https://johnsonfrancis.org/techworld/what-are-transmitter-spurs/">What are transmitter spurs?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://johnsonfrancis.org/techworld/what-are-transmitter-spurs/embed/#?secret=aPTnBiMTar" width="600" height="338" title="“What are transmitter spurs?” — Johnson's Techworld" data-secret="aPTnBiMTar" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://johnsonfrancis.org/techworld/wp-includes/js/wp-embed.min.js </script> https://johnsonfrancis.org/techworld/wp-content/uploads/2025/04/What-are-transmitter-spurs.jpg1200677Transmitter spurs are very important from the perspective of radio amateurs, especially for those who are planning to homebrew radios or use homebrew radios which have not undergone extensive testing. Transmitter spurs are spurious emissions other than the intended output signal. A spur typically comes from a non-linear component in the circuit. These could be […]