Amateur Radio News

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Filter Modules - SSB and CW

Posted: 30 Mar 2016 02:28 AM PDT
http://forums.qrz.com/index.php?thre...and-cw.517349/

SOTABEAMS has introduced a range of digital audio filter modules that are
designed to help improve the performance of older transceivers and kit
radios. Each module has two high-performance filters and the narrow filters
include a neat tuning indicator.



The modules are ready-built and easy to use. Given SOTABEAMS portable
background, they also have a low current requirement making them suitable
for battery powered equipment.

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Filter Modules - SSB and CW

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Special Presentation on the History of KPH

Posted: 29 Mar 2016 07:20 PM PDT
http://forums.qrz.com/index.php?thre...of-kph.517319/

The Marin Amateur Radio Society (MARS) has kindly invited Maritime Radio
Historical Society Chief Operator Dillman to present his famous lecture and
slide show on the history of wireless in West Marin at 7:30pm on Friday 1
April.



The presentation will cover in detail the span of this dramatic story from
the establishment of the first Marconi stations at Bolinas and Marshall in
1914 including both trans-oceanic operations and the history of KPH.



Many photographs that have never before been...



Special Presentation on the History of KPH

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QSO Today Podcast 080 - Mike Rainey - AA1TJ - Unusual QRPP Projects

Posted: 29 Mar 2016 01:19 PM PDT
http://forums.qrz.com/index.php?thre...ojects.517279/

If you were stranded on a desert island with Mike Rainey, AA1TJ, and a
compact fluorescent light bulb, the chance is good that Mike could build
you a low frequency QRPP transceiver to send your distress messages. Eric,
4Z1UG, discusses with Mike his approach to amateur radio and the
satisfaction that he gets from his home brew projects that operate at the
50 milliwatt level.



Show Notes: http://www.qsotoday.com/podcasts/aa1tj



Podcast Link: http://goo.gl/Xa5gVI...



QSO Today Podcast 080 - Mike Rainey - AA1TJ - Unusual QRPP Projects