Where to buy Frequency counter for the Stryker SR-497HPC / SR-447HPC (old version)? Shawn January 29, 2021 20:24 Updated Search the internet for a FC390 or FC30 frequency counter. Related articles SR-447HPC / SR-497HPC Setup Guide SR-447HPC & SR-497HPC Manual What Size Power Supply Do I Need? Common factors that cause high SWR readings SR-447HPC2 Setup Guide Comments 0 comments Article is closed for comments.
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