QER Crystal Filters - Mostly DIY RF Forum https://mostlydiyrf.com/community/qer/ Mostly DIY RF Discussion Board en-US Thu, 16 Apr 2026 20:21:58 +0000 wpForo 60 Crystal filter Testing https://mostlydiyrf.com/community/qer/crystal-filter-testing/ Thu, 24 Jul 2025 21:44:09 +0000 I have put a video up on Youtube regarding testing of an earlier  SSB QER filter produced by MostlyDIY RF. It is at this link

Video #002 SSB Crystal filter video

Kevin

 

]]> QER Crystal Filters zl1mrf https://mostlydiyrf.com/community/qer/crystal-filter-testing/