1.0Pasternack Blog/blogrich600338<blockquote class="wp-embedded-content" data-secret="1HFn6khHPA"><a href="/blog/waveguides/waveguide-preventative-maintenance/">Waveguide Preventative Maintenance</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/blog/waveguides/waveguide-preventative-maintenance/embed/#?secret=1HFn6khHPA" width="600" height="338" title="“Waveguide Preventative Maintenance” — Pasternack Blog" data-secret="1HFn6khHPA" 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=/blog/wp-includes/js/wp-embed.min.js </script> Though many failure modes cannot be predicted or avoided, many of the common failure modes of waveguide assemblies can be avoided by properly accounting for the applications demands and running preventative maintenance programs. If the outer coating/jacket of a waveguide cable run is important in preventing environmental ingress, visual and chemical inspections can be performed […]/blog/wp-content/uploads/2017/02/desbris.jpg