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www.kr1st.com | ||
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www.pa3hcm.nl
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| | | | | [AI summary] The Squalo antenna is a compact, low-profile, and stealthy design for 6 meters, often used for CW and SSB. It's a modified quad loop, offering a 3dB bandwidth of about 1 MHz. Key features include a center-to-center measurement system, adjustable shortening strap, and a mechanical mast connection. It's popular for its simplicity, portability, and ease of construction with materials like PVC and copper pipe. Users report good performance, especially with a tuner, and it can be adapted for other bands like 2m or 4m with proportional scaling. | |
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www.davidmoisan.org
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kk9jef.wordpress.com
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| | | | | This post is cross-posted to my more general-purpose nerdery blog,jeff.glass/blog. Following the Forth of July, I took a few days off of work to recuperate from a grueling work project that we pushed over the finish line on the third. And what better way to relax in the wake of a heatwave than getting out... | |
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blog.demofox.org
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| | | The last post talked about finite impulse response filters (FIRs) where the output of the filter was based on the current and previous input samples. (https://blog.demofox.org/2020/01/14/fir-audio-data-filters/) In this post we are going to talk about infinite impulse response filters (IIRs) where the output of the filter is based not only on current and previous input... | ||
