The QRSS world was recently mystified by the sudden appearance of this monster on the European grabber screens. People quickly realized that it was a "QR barcode" -- kind of a souped-up version of the standard barcodes, this version holding more information. But what was the message? Scott Harden, AJ4VD, got on the case, and solved the mystery. Read about it here:
http://www.swharden.com/blog/2010-11-11-deciphering-qr-code-from-radio-spectrograph/
Scott is a very interesting fellow, and surely one of the younger "Knights of the QRSS." Check out his bio page: http://www.swharden.com/blog/?page_id=344
Bravo Scott!
Re: Is the design feasibility of 160M 625W Class D transmitter?
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It is found from the calculator that the output impedance at 80V carrier
voltage and 625W carrier power is exactly 50Ω, which can be output through
a simpl...
6 minutes ago
I have been following Scotts work for a couple of years. His website is a cool surf. He certainly has the "knack"!
ReplyDelete73
Herb/WR9H