... Torgashina, Gert de Lange, Leo de Jongb, Pavel A Yagoubovb a The Kotel'nikov Institute of Radio Engineering and Electronics, Moscow, Russia b SRON Netherlands Institute for Space Research, Groningen, the Netherlands Abstract--A Superconducting Integrated Receiver (SIR) developed for balloon borne instrument TELIS covers frequency range 450-650 GHz. The DSB noise temperature was measured as low as 120 K. The SIR application for high resolution spectroscopy of breathed out air has been proven. ...