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Wednesday, February 4, 2015

Mama Mia! N2HTT's Regen Receiver (Video)



I am fairly certain that Pete Juliano will take pride in N2HTT's success on this project, and will attempt to attribute it, in part, to the Italian ancestry that they share.  The Tarantella background music will definitely encourage that kind of thinking.  

In presenting this nice video, we continue with our "rigs not yet in a box" theme.  There is something especially nice about the sound of receivers that are not yet boxed up. 

Mike has some great information on the construction of this receiver (and other projects) on his blog:

http://n2htt.net/  

Bravo Michele! 

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Monday, February 2, 2015

Video of Colin's First Contact with his Homebrew Scratch-built BITX20



I love this video.  Colin finished his BITX a week or so ago and has been waiting for an opportunity to test it.  Over the weekend he braved the winter of Northern England and, with his son,  set up his new rig out in his snow-covered garden.   Appropriately for a first contact with scratch-built rig, the circuitry was unencumbered by any kind of case or box.  That's the way it should be done!  Well done Colin!  You are well and truly a member of the International Brotherhood of Electronic Wizards, and the diagnosis of "The Knack" has been confirmed (a severe case, it appears). 

Hi Pete and Bill,
It's been a lovely fine day here in West Yorkshire, so I took a table out into the garden and set up my BITX circuit on it. I set up my SOTA dipole on a 9m fishing pole.
I heard a strong German station calling CQ, so I gave him a call and hoped for the best!
How amazing to contact someone in another country using a rig and mic you've made yourself! Do I qualify as a REAL radio ham now? Do I have a confirmed case of the knack? :-)

Although I may appear underwhelmed in the video, (besides the air punches!), I did really get a kick out of the QSO.
73 and huge thanks to both of you for the encouragement and support.

Colin, M1BUU



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Brian's Mighty Mite


Bill,
All the parts finally arrived from China so the MMM lives :)
Good to finally join the CBLA!!

It made for a very enjoyable Saturday afternoon while the snow fell!
I left some room between the antenna connector and the coil for the low pass filter I'm going to build if the caps ever arrive.

Thanks for the crystal and the inspiration to get busy and build something; it brought back a few childhood memories of building things for the homebrew contest at the local hamfest.

73,
Brian
KA0PHJ


Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20

Saturday, January 31, 2015

SolderSmoke #171 DC RX in QQ, Power Supplies, Small Screens, 12 Buck Counters, HW8 Error?, KX3 RX



SolderSmoke Podcast #171 is available: 

http://soldersmoke.com/soldersmoke171.mp3

Bench Report: 
Pete's Small Screens (in Color!) 
Si5351s
Bill's Graph Paper Frequency Readout
Bill's Broadened Barebones Barbados RX.  DIGITIZED! 
Another AD9850 DDS using M0XPD Kanga UK Shield
New 13 dollar Color Display (Prettier than Graph paper!) 

Pete and Ben's Article in QRP Quarterly Available free here: 
http://www.qrparci.org/qqsample/qqsample.pdf

The DEEP SPIRITUAL REWARDS of DC Receivers 
The Importance of Good Power Supplies
SPRAT Article on HW8 Design Error
Latest Edition of Hot Iron
Elecraft KX3 -- Has one of the best receivers in the world  

Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20

15% Off on SolderSmoke and other books at Lulu This Weekend

15% off all print books with code PRINTME


All three of my books are here:  

Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20

Friday, January 30, 2015

More Glowing Numerals! BIG! BLUE! $13!


Even though my pencil and graph paper frequency readout for the BITX rigs has its own undeniable charm, this little device could get me to go digital.  I heard about it from Chuck Adams and the folks on the qrp-tech mailing list.  13 dollars.  It covers .1 MHz to 2.4 GHz.  You just hook up a 9 volt source and the RF input.   It also does IF offset.  The construction looks great and it would be very easy to put into (or aside) any rig.   Here is where I got mine: 





Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20

Thursday, January 29, 2015

Beagle 2 Found On Mars


I was one of the millions of people who woke up that Christmas morning in 2003  thinking not of Santa Claus but of Colin Pillinger's Mars Lander, the Beagle 2.  We were in London by then, and later on I got to meet Colin Pillinger.  I still have the books about Beagle 2 that he gave to me.   Wow, it looks like they came very close.  Too bad Colin did not live to see these pictures. 

The Planetary Society has a very good article on all this:  

http://www.planetary.org/blogs/emily-lakdawalla/2015/01160800-beagle-2-found.html


Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
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