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The Collins Radio logos contained herein are Trademarks of Rockwell Collns Inc. copyrighted information and are used with permission. Please note that these documents contain Rockwell Collins, Inc. The Collins Radio Association desires to support the preservation and use of Collins amateur radio equipment by providing these Collins service bulletins, which will contribute to the continued use and enjoyment of Collins amateur radio equipmet, at no cost or obligation to CRA members and the general public for their own personal use, only. Rockwell-Collins Incorporated, 400 Collins Road NE, Cedar Rapids, Iowa, 52498, grants to the Collins Radio Association the non-exclusive, worldwide, royalty free license to reproduce and disseminate, in electronic and written format, any Collins Service Bulletins for Collins amateur radio products. Power relay & ceramic sockets for 516F-2.Refurbishing the Heathkit SB-610 and The 610C-2.
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