Big Island ARRL News, 05 November 2017, 0720 UTC, Post #361.


Accessed on 05 November 2017, 0720 UTC.

Please click link to read the full article.


UK-based SOTABEAMS has just released its new low pass filter kit.  Low pass filters are an essential part of transmitters and also have applications in receivers.

According to,

“The kit allows one of two filters to be selected and also incorporates a “bypass” mode. It has been designed to complement the WSPRlite Classic HF antenna testing system. To give users the most flexibility, the filter components are available separately to allow filters from 160 m through to 10 m to be constructed.”

“The kit has an optional aluminium case, that allows it to be finished to a high standard.”

For detailed information on the kit and how it can help with WSPR operations, please click the link at the top of this article.

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Aloha es 73 de

Russell Roberts (KH6JRM)

Public Information Coordinator

Hawaii County, ARRL Pacific Section