{"id":681,"date":"2011-09-26T03:31:53","date_gmt":"2011-09-26T03:31:53","guid":{"rendered":"http:\/\/stjohn.openbar.com\/airplane\/?p=681"},"modified":"2011-09-26T03:31:53","modified_gmt":"2011-09-26T03:31:53","slug":"grounded-not","status":"publish","type":"post","link":"https:\/\/stjohn.openbar.com\/airplane\/?p=681","title":{"rendered":"Grounded.  Not."},"content":{"rendered":"<p>6 hours.<\/p>\n<p>Yesterday and today was an ugly mess.   I had to pull the wiring harness to try to figure out a couple of things, first and foremost, why is my radio dumping RF energy into my EFIS?   I&#8217;ve checked all the grounds, twice, three times, both at radio, both ends of the antenna, and the EFIS itself.  I grounded the shields of the ARINC connector as well, while I was in there.   It seems to be a little better.   I get no clicking of relays, but I still have the Bermuda Triangle effect whenever I key the mic.  I&#8217;ve also got no mic audio.   I don&#8217;t know if that&#8217;s my headset, which, at last outing, proved itself extremely unreliable in the mic department.  My other headset looks like the foam muff on the mic dissolved itself into the actual microphone somehow, so I doubt that one works.   This just gets weirder and weirder.<\/p>\n<p>One thing I&#8217;m not too sure about:   If I place one probe of my multimeter against the inner conductor on the antenna&#8217;s BNC connector and the other one on the antenna rod, I get no beep.  I thought an antenna had one pole connected to the center conductor and the other pole connected to a ground plane.   It may be that I have a defective antenna, which would suck, but better than a fried radio or EFIS.<\/p>\n<p>Looks like I&#8217;ll be ordering yet another antenna from ACS, but until then, my old RAMI whip antenna will have to do for now.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>6 hours. Yesterday and today was an ugly mess. I had to pull the wiring harness to try to figure out a couple of things, first and foremost, why is my radio dumping RF energy into my EFIS? I&#8217;ve checked all the grounds, twice, three times, both at radio, both ends of the antenna, and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[8],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=\/wp\/v2\/posts\/681"}],"collection":[{"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=681"}],"version-history":[{"count":0,"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=\/wp\/v2\/posts\/681\/revisions"}],"wp:attachment":[{"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stjohn.openbar.com\/airplane\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}