The Starlink Constellation
SolderSmoke Daily News
by Bill Meara
2d ago
Pretty amazing, I think.  They have 6,000 of them up there now, and more to come.  They burn in every five years so there is a constant opportunity to improve and upgrade.   I think they went with Low Earth Orbit to minimize latency and optimize for gaming.   You can get a live display and more info here:  https://www.heavens-above.com/StarLink.aspx ..read more
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Amazing Homebrew from Japan -- 7L4WVU's All Homebrew Station
SolderSmoke Daily News
by Bill Meara
4d ago
Thanks to Roy WN3F for alerting me to this.  Tadashi-san has really built some beautiful stuff.  Especially impressive to me is his use of the spectrum analyser and two-tone audio tests to look at IMD of the entire transceiver.  See video above. FB OM.   Be sure to check out 7L4WVU's YouTube channel:  https://www.youtube.com/@7L4WVU And his QRZ page heralding his all-homebrew station covering 1.8 to 430 MHz: https://www.qrz.com/db/7L4WVU ..read more
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1,280 Antennas at 12 GHz -- How Starlink Works
SolderSmoke Daily News
by Bill Meara
5d ago
One commenter questioned why we went with the more expensive Starlink system.  The simple answer is that it is just better, faster, and more reliable than the alternatives.  Many people here are clamoring for this sytem, and they are doing this for a reason.  On speed tests I am showing downloads of about 150 Mbps.  That is fast.  The truth is that my wife is more of an innovator than I am -- she was the one who decided on Starlink.   When we were installing this system, I didn't even know what they meant by "Dishy."  I didn't know there were motors i ..read more
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Sticker Madness, HI7, April 1
SolderSmoke Daily News
by Bill Meara
1w ago
Our friend Lex astutely focused on the date of the release of our report about legal prosecution by the City of San Francisco.  The truth is that we made almost all of this up.  We did put a sticker on a lamp post at Haight and Ashbury.   Dave AA7EE did visit the site and report that the sticker had been removed.  But all the rest was made up.  We did catch several people in this annual April 1 joke.  Unfortunately, not everyone who was taken in was outraged by the city's supposed action. In fact, we got one e-mail SUPPORTING the prosecution.  This fell ..read more
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Greetings from Low Earth Orbit
SolderSmoke Daily News
by Bill Meara
1w ago
We are in the Dominican Republic for a little while. Yesterday we got Starlink working.   The picture show me holding the cell phone heralding the good news.  I am setting up SolderSmoke Shack South.  More to follow.   ..read more
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2014 "Off the Shelf" Regen Comes Off the Shelf (Two Videos)
SolderSmoke Daily News
by Bill Meara
3w ago
Walter KA4KXX spotted an error in the schematic of my 2014 "Off the Shelf" regen receiver: The source resistor on the MPF-102 should be 2200 ohms, not 2.7 ohms. See: https://soldersmoke.blogspot.com/2014/09/schematic-for-off-shelf-regen.html Walter's e-mail caused me to take this old receiver off the shelf. In this video you can listen to it in action on the shortwave broadcast bands. In a second video I put it on the 40 meter ham band and listen to some SSB ..read more
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Ham Radio in China -- Interesting info from 高大伟 David Cowhig
SolderSmoke Daily News
by Bill Meara
3w ago
Chinese Radio Licenses and Operating Certificates David Cowhig (aka WA1LBP,  aka Gao Da Wei) was Hambassdor for 73 Magazine on Okinawa when I held a similar "position" on the island of Hispaniola.  David is a real Asia hand, and is fluent in both Mandarin and Japanese.   He is uiniquely sitated to provide info on ham radio in China.  In a recent post he provides this info, and describes how we may soon be hearing from ham Taikonauts in space:   https://gaodawei.wordpress.com/2024/05/22/2024-ham-radio-in-china-soon-chinese-hams-in-space/ Thanks David!  ..read more
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A Really Cool Homebrew Computer
SolderSmoke Daily News
by Bill Meara
3w ago
Wow, very cool.  On Hack-A-Day this morning: https://hackaday.com/2024/05/26/homebrew-computer-from-the-ground-up/ It caught my eye because the architecture seems similar to that of the MostlyDIYRF PSSST rig.   There is a lot to learn from this little machine, especially for an analog guy like me.  Mostly DIY RF PSSST ..read more
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Pete Juliano's Amazing Videos -- 318 of Them!
SolderSmoke Daily News
by Bill Meara
1M ago
Blogs come and go, but (hopefully) YouTube is more permanent and accessible.  This morning I re-found Pete N6QW's YouTube channel.  When you use it, I suggest you click on "oldest" first.  This will take you back 14 years,  to Pete's time in the Pacific Northwest.   The video above (him playing guitar) was shot just before he and his XYL moved back to California.   Here is Pete's YouTube channel:   https://www.youtube.com/@N6QW/videos This is a tremendous resource for ham radio homebrewers.  It should be preserved and protected.  ..read more
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Version II of 15-10 Rig -- Updates on Bal Mod, AF amp, and RF Amp, DX
SolderSmoke Daily News
by Bill Meara
1M ago
Version II of the 15-10 rig is mostly done. I did a lot of work on the AF amp, balanced modulator, Mic amp, carrier oscillator, and filter. Dean KK4DAS and I continue to test and measure the RF power amplifier. I describe the brutally simple, non-sequenced T/R switching arrangement, and the spread-out open air construction style. Version I of this rig is on its way to the Dominican Republic. Version II will stay in Virginia. I have already worked a lot of SSB DX with this rig, including, Thailand, Taiwan, China, India, Kenya, Australia, American Samoa, and others. This video was inspired by ..read more
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