Assertion: radio telescope's antenna | /r/HasProperty | 6.1 x 7.0 meters
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Source sentences:
text: The antennas for the ATA are 6.1 x 7.0 meters (20.0 ft x 23.0 ft) hydroformed offset Gregorian telescopes, each with a 2.4 meter sub-reflector with an effective focal length/diameter (f/D) ratio of 0.65.