<div dir="ltr"><h1><span class=""><img width="976" height="549" class="" alt="Geoff Perry, Derek Slater, Bob Christy and other pupils" src="http://ichef-1.bbci.co.uk/news/624/cpsprodpb/6188/production/_89286942_ce49a2ad-93e0-48b1-b948-56a7939b0ba7.jpg"><font size="1"><span class="">Image copyright</span> <span class="">The Times</span></font> </span><font size="1"><span class="">Image caption</span> </font><span class=""><font size="1"> Teachers Geoff Perry (third from right) and Derek Slater (second from right) inspired their pupils, including Bob Christy (third from left) to track satellites</font>Â </span></h1><h1>How school children exposed Soviet secret</h1><p><em> BBC News</em> reports on the Kettering students who monitored Soviet satellites and discovered a secret launch site <br><br> The Kettering Group consisted originally of staff and pupils at the Kettering Grammar School (KGS) for Boys, Windmill Avenue, Kettering in Northamptonshire. It was originally styled "The Kettering Grammar School Satellite Tracking Group", among its members were young women from the nearby Kettering High School for Girls. <br><br> The teachers involved were radio amateur <strong>Derek Slater G3FOZ</strong> and <strong>Geoff Perry</strong>, who in the 1990's gave several presentations about the groups work to the AMSAT-UK Colloquium. Geoff was fascinated by satellites and wanted to use them to teach his pupils about the Doppler effect. This led to them tracking a number of Soviet satellites and the discovery that the Soviets had a previously unknown launch base in Plesetsk. <br><br> Read the BBC News story at <br><a href="http://www.bbc.co.uk/news/uk-england-northamptonshire-36027407" target="_blank">http://www.bbc.co.uk/news/uk-england-northamptonshire-36027407</a><br><br> The Kettering Group <br><a href="http://www.zarya.info/Kettering/Kettering.php" target="_blank">http://www.zarya.info/Kettering/Kettering.php</a></p></div>