Tech Talk 

Updated 03/05/2017

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March 1st, 2017 at the Whitman club meeting & February 21st at the MARA club meeting
Mark Vess KC1ACF gave a presentation regarding the origins of RADIO which included a live demo of a Spark Gap transmitter.

MarkKC1ACF_OriginsRadioSlides used by Mark KC1ACF in
AdobePDFPDF format
The upcoming March 2017 Spectrum newsletter will have additional photo's from Marks presentations

October 5th, 2016 club meeting
John Barbour KC1FWV gave a presentation and demo of SDR (software defined radio) using the popular and low cost RTL-SDR USB receiver dongle and RF upconverter.

John_SDRtalk SDR presentation by John KC1FWV in
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    See the October 2016 edition of the Spectrum Newsletter for more pictures of Johns presentation <click here>

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