<div dir="ltr"><h1 style="box-sizing:border-box;font-size:16pt;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif">Orfordness 648 kHz</h1><p style="box-sizing:border-box;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:16px">Two articles by radio amateurs Dave Porter G4OYX, Chris Pettitt G0EYO and Alan Beech G1BXG describe the Radio Caroline antenna system and the history of 648 kHz at Orfordness in Suffolk <br style="box-sizing:border-box"><br style="box-sizing:border-box">The site <a href="http://bbceng.info/" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none;word-wrap:break-word">BBCeng.info</a> is dedicated to recollections of BBC engineering from 1922 to 1997. It has recently made available two articles about 648 kHz at Orfordness that originally appeared in Signal published by the Vintage and Military Amateur Radio Society.<br style="box-sizing:border-box"><br style="box-sizing:border-box">The history of 648 kHz in the UK by Alan Beech G1BXG <br style="box-sizing:border-box"><a href="http://bbceng.info/Technical%20Reviews/tott/16-18_G1BXG_Signal_Issue_46.pdf" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none;word-wrap:break-word">http://bbceng.info/Technical%20Reviews/tott/<br style="box-sizing:border-box">16-18_G1BXG_Signal_Issue_46.pdf</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">Tricks of the Trade by Dave Porter G4OYX and Chris Pettitt G0EYO<br style="box-sizing:border-box"><a href="http://bbceng.info/Technical%20Reviews/tott/26-29_G4OYX_Signal_Issue_46.pdf" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none;word-wrap:break-word">http://bbceng.info/Technical%20Reviews/tott/<br style="box-sizing:border-box">26-29_G4OYX_Signal_Issue_46.pdf</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">Thanks to Mike Barraclough of BDXC for spotting these articles</p></div>