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Sunday, December 5, 2010
Some SERIOUS young radio builders
http://www.gloveradio.blogspot.com/
Ham Radio on NPR
NPR's On The Media has a sweet little reference to ham radio this week, in their report from a conference about Twitter. Listen to conference organizer Jeff Pulver, starting at 4:15:
BOB GARFIELD: .... sharing thoughts is something people do, fulfilling a primal human need for keeping in touch, even virtual touch, with other humans. Conference organizer, Jeff Pulver:
JEFF PULVER: When I was nine years old I was a very lonely person, and I – maybe I’m always lonely forever. But my - I went to my uncle’s office one day and he had this strange radio and he turned it on, and he says, “CQ, CQ, this is K2QQM calling CQ.”
And all of a sudden these squeaky voices started responding to my uncle. And I thought, this is pretty cool [LAUGHS], that these strangers are now talking to my uncle. And I became obsessed between the time I was nine to about twelve and a half. I taught myself Morse Code, electronic theory, I taught myself the rules and regulations all about amateur radio. In high school, junior high school, I would spend 40, 60 hours a week on the radio. And that was my lifeline. That was where I connected. And all I had to say is I was Jeff from New York, and it didn't matter how old I was, it didn't matter what I did for a living. I had this.
And now all these years later, 6 o'clock in the morning to 7 o'clock in the morning, every day, wherever I am in the world, I'm online. But instead of saying, CQ, CQ, I say, good morning. And a magical thing happens every day.
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That was me too, way back in junior high on 2 meter AM with my Heath Twoer. Turns out Jeff's still active too. Nice.
More QRPoetry from AA1TJ
On the topic of QRP power levels; for me it all stems from the pair of "100mW" walkie-talkies that my brother and I found under the Christmas tree one year. I thought it was magical that we could walk around the neighborhood and still talk to each other. Then one day my friend and I was messing around and I heard some lady's (CBer) voice all of a sudden. It took a moment to figure out that she was talking to me (my first and last CB QSO). We only talked for a few moments but it left me wondering how far it might be possible to communicate with such low power. The electronics magazines I was just starting to read showed massive boat-anchor transmitters; none of which appealed to me. For me the excitement was trying to see how far I could talk with my MPF102 oscillator on 40m; and later, a similar xmtr made from a surplus 2N697 that I happened upon. It was around that time I first heard about tunnel diodes; exotic devices based upon the (still) mystical notion of quantum tunnelling. Of course, I dreamed about building a tunnel diode rig...a dream that would take 35 years to realize...to which I owe a huge debt to Seab, AA1MY...dunno if he knows to this day how big of a deal it was for me; which is why I was especially happy to see his, "with childlike joy and wonder" comment. Ditto for me. Speaking of which, last I showed my wife, N4KGL/p's QTH on the map located on his site "Nov 23rd Lunch Time QRP". http://www.n4kgl.info/ We thought it was fun to progressively zoom out from the parking lot where he was operating yesterday. Right away the Gulf of Mexico appears. Of course, Vermont eventually comes into view. Scientific American that did a similar series of zooms in a book some years ago. It began with a couple lying on a blanket in a park. Some pages later you're staring back at this "pale blue dot" (to steal Carl Sagan's wonderful phrase). Something else comes to mind from Tom Wolfe's, The Right Stuff. Do you recall the passage where Lovell covers the Earth with his thumb? "At one point I sighted the earth with my thumb—and my thumb from that distance fit over the entire planet. I realized how insignificant we all are if everything I'd ever known is behind my thumb. But at that moment I don't think the three of us understood the lasting significance of what we were looking at." Dunno why, but QRPp feels a bit like Lovell's thumb. It gives me the same sense of vertigo displacement; a tiny signal sent from a tiny man located in a vast, oceanic, Universe. I remember saying so to my pal, Jim, W1PID, only last year in connection to my voice-powered CW transmitter. Hearing the dits and dahs return yesterday...looking at my puny transmitter...Wisconsin, Florida, Guadeloupe Island; bouncing these little ripples off the ionosphere...hearing the friendly replies...who would not be overwhelmed by the thought of it all? These little radios are just the launchers; pinkie fingers dabbed in the cosmic pool of Being. The Argentinian writer, Antonio Porchia, said, "Beyond my body my veins are invisible." Jim Lovell's veins radiated from beneath the thumb he so casually dabbed over the Earth. His veins radiated not just back to far away Earth - to everything that he loved - but in all directions; to places he'd never even dreamed of. I'd better sign now. I'm headed up to the mountain-top TV transmitter in a couple of hours... That's how it is here, Steve; QRO pays the bills, QRPp gives the thrills. :o) BTW, Dave, K1SWL, has already given a big thumbs-up to our RockMite contact! 73/72, Mike, AA1TJ
Saturday, December 4, 2010
SARA: The Society of Amateur Radio Astronomers
http://www.radio-astronomy.org/
Tuesday, November 30, 2010
Forrest Mims on amateur science
http://www.make-digital.com/make/vol24?pg=28#pg28
Here's another interesting article by Forrest on amateurs in science: Forrest Mim's article in Science
Sunday, November 28, 2010
Cyber Monday Sale for SolderSmoke!
Don't just buy "SolderSmoke -- Global Adventures in Wireless Electronics"
but check out these other fine Knack-related publications:
http://stores.lulu.com/6sj7comics ("Lid, Kid, Space Cadet" "Sky Buddies" by Jeff K1NSS
http://stores.lulu.com/ian_g3roo (Ian, G3ROO's amazing antenna book)
http://www.lulu.com/copperwood ("Carl and Jerry" books -- scroll down a bit)
http://stores.lulu.com/soldersmoke (SolderSmoke and Bill's other book)
AJ4VD Solves the Barcode Mystery
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!
Saturday, November 27, 2010
More from Kitty Hawk
Friday, November 26, 2010
Thanksgiving at Kitty Hawk
We spent a very pleasant Thanksgiving day with family out on the Outer Banks of North Carolina, in Kitty Hawk. Of course, we visited the site 0f the Wright Brother's famous first flight. I'll have more about this in the next SolderSmoke podcast. For now, let me share with you this interesting quote about the importance of play and toys (from Wikipedia):
"In 1878 their father, who travelled often as a bishop in the Church of the United Brethren in Christ, brought home a toy "helicopter" for his two younger sons. The device was based on an invention of French aeronautical pioneer Alphonse Pénaud. Made of paper, bamboo and cork with a rubber band to twirl its rotor, it was about a foot long. Wilbur and Orville played with it until it broke, and then built their own. In later years, they pointed to their experience with the toy as the initial spark of their interest in flying."
Tuesday, November 23, 2010
SolderSmoke in Botswana!
I just completed reading your book tonight. I had taken it with me on the Dxpedition to Botswana and while there Jay W5SL read it and enjoyed it very much. But what was so great in his reading it was to see a good friend of mine mentioned in your book. He was there with us and having a great time working the pileups. This person was none other than Gianfranco I0ZY. I have visited with him at his office and operated his great station in his home there in Rome. What a small world it is. I will be back in Rome to pick up a new Amplifier from Gianfranco. 73' Charles Frost Frosty K5LBU
We had a blog post about Gianfranco and his amplifiers last year. Check it out here:
http://soldersmoke.blogspot.com/2009/06/italian-experimental-station-in-good.html