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1. [TenTec] On Crystal Filters (score: 1): Author: Kimberly Elmore <cw_de_n5op@sbcglobal.net>; Date: Mon, 27 Oct 2014 06:56:15 -0700; In discussion of an Omni D, Rick and maybe someone else mentioned that old crystal filters may no longer meet spec and can result in significantly reduced sensitivity. I know that crystals age and th; /archives//html/TenTec/2014-10/msg00272.html (7,258 bytes)
2. Re: [TenTec] On Crystal Filters (score: 1): Author: Bwana Bob <wb2vuf@verizon.net>; Date: Thu, 30 Oct 2014 22:16:01 -0400; Well, all components age, including crystals. I haven't noticed any problems with the filters in my 44 year old Heath HW-100. I have noticed increased insertion loss in the 500 Hz Ten Tec filter in m; /archives//html/TenTec/2014-10/msg00334.html (8,747 bytes)
3. Re: [TenTec] On Crystal Filters (score: 1): Author: "Vic Klein" <vhklein@ptd.net>; Date: Fri, 31 Oct 2014 07:03:46 -0400; Curiously, I have also seen a recent insertion loss when selecting the 500 Hz filter in my 585 Paragon. I never could tell much difference (especially looking at a waterfall display) between the 500; /archives//html/TenTec/2014-10/msg00338.html (8,621 bytes)

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