Here is a link to a review of the portable repeaters that I build. They are built around P110/GP300's. _www.fieldcomm.org - 70cm portable repeater_ (http://www.fieldcomm.org - 70cm portable repeater) There is a schematic of the COR on my web site under "portable repeater". _http://members.aol.com/w8ak/_ (http://members.aol.com/w8ak/) Let me know if I can help further. Glenn W8AK
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