Chumakova М. М RussiaSaratov Saratov State University, ul. Astrakhanskaya, 83, Saratov, 410012, Russia mafachu@mail.ru Author's articles EFFECT OF DELAYED REFLECTION FROM THE REMOTE LOAD ON MODE COMPETITION IN А GYROTRON EFFECT OF REFLECTION FROM REMOTE LOAD ON MODE COMPETITION IN GYROTRON WITH QUASI-OPTICAL MODE CONVERTOR