radio relay satellite

radio relay satellite

[′rād·ē·ō ′rē‚lā ‚sad·əl‚īt]
(aerospace engineering)
References in periodicals archive ?
By being able to fly way above airline traffic at between 55,000 and 65,000 feet and stay aloft for seven days, the Global Observer is being looked as an observation or radio relay satellite alternative, as from that height it has a footprint diameter of about 1000 km.