"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 4785306 | Dual frequency feed satellite antenna horn A feed horn arrangement for reception of C-band and Ku-band signals by a single satellite antenna. The arrangement permits a Ku-band feed horn and amplifier to be mounted at the focus of a satellite dish in addition to the C-band reception equipment. A di... | 11/15/1988 |