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Thursday, January 28, 2010

QRSSing again, AA1TJ's new page



As I mentioned earlier, computer problems have delayed the SolderSmoke podcast (don't worry, parts are on the way).  They have also knocked me off the WSPR system.  So I switched over to QRSS mode and am now pumping out about 20 milliwatts of upside down sloooooooooow FSK on about 10140050 Hz.  (Don't you like how in QRSS you find yourself giving the frequency not in kilos or megas, but in just plain Hertz?   If I get into a retro mode I may start giving them in cycles.) During daylight hours in Europe you should be able to watch my little signal arriving at ON5EX's station in Belgium.  Just look down on the right on this page for a live view of Johan's receive screen.


VA3STL has some good QRSS stuff on his blog:  http://va3stl.wordpress.com/



I noticed this morning that Mike, AA1TJ has moved and updated his very fine site.  Check it out: 
http://www.aa1tj.com/radio.html
Be sure to click on the link that lead to info about Mike mountain-top work site.  Like I said, truly the kind of job that Knack victims dream about.

Rumor has it that Dan's Small Parts is back in operation after a winter break.

1 comment:

  1. Hmmm, I'll take a stab at it...

    There are "Yagi" antennas where each element is driven. They're called phased-array antennas.

    If you want to drive more than one element you are faced with how to drive each of the elements in an electrically efficient and cost-effective way. At lower frequencies, where Yagi-uda antennas are typically used, this is relatively complex and costly due to longer wavelengths and attendant larger radiator and transmission line sizes.

    At microwave and millimeter wave frequencies, an array or matrix of thin or thick film monolithic techniques are employed to interconnect the elements.

    73's David, WB4ONA

    ReplyDelete

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