1) Copy of a mag 2) Individual mag 3) Integrated sounding system 4) Limited edition 5) Magazine no 6) Magazine number 7) NASA outpost 8) Newsstand no 9) One may come out each mo Found on https://www.crosswordclues.com/clue/iss
(Ionospheric Sounding Satellite) A pair of Japanese satellites, launched by NASDA (National Space Development Agency) and also known by their national name Ume (`plum”), that collected data on the ionosphere to aid in short-wave radio communication. Their instruments included an... Found on http://www.daviddarling.info/encyclopedia/I/ISS_satellite.html