Showing posts with label Netherlands. Show all posts
Showing posts with label Netherlands. Show all posts
Wednesday, July 23, 2025

The Red-Shifted Neutral Hydrogen Signal from the Cosmic Dark Ages is in the Range of our Direct Conversion Receiver

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On the flight to the Dominican Republic I was listening to Fraser Cain's interview with Dr. Christiaan Brinkerink.   I was kind of blown...
Wednesday, March 19, 2025

Lex PH2LB's Fantastic, 3-D Yellow, Glue-Stick, SolderSmoke Direct Conversion Receiver from the Netherlands

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Lex PH2LB has been a valued member of the SolderSmoke team for a long time.  It was he who took our stickers into the bars and coffee shops ...
2 comments:
Friday, March 14, 2025

Victor's FB SolderSmoke Direct Conversion Receiver from Holland Pulls In Stations from All Over Europe... and One from Japan

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Victor is a retired Electrical Engineer from the Netherlands.  He doesn't have a ham radio call sign, but as I have said about other rec...
1 comment:
Monday, December 23, 2024

More Shortwave Listener Cards

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Around this time every year I get an envelope from the W2 QSL bureau in New Jersey.  This year, the envelope contained two QSL cards from sh...
Friday, November 29, 2024

Charlie "Red" NJ7V Builds an Oscillator -- Manhattan Style

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https://www.youtube.com/shorts/7t_E5N4CQxg Red did a nice job building, then explaining, this 18 MHz crystal oscillator.   I especially like...
Friday, November 8, 2024

Using a Photomultiplier THERMATRON to Detect Single Photons

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I've been a fan of Jeroen's YouTube channel for a while now.  He has a very nice approach, combining theoretical knowlege with pract...
Friday, September 6, 2024

Ham Radio in the 1970s (and earlier, with some cool Jazz). What favorite rigs do you see?

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Rogier PA1ZZ sent me this today.  I think I may have seen pieces of it before, but this restoration  is really nice.  But ham radio seems to...
2 comments:
Friday, August 9, 2024

How Big is a Photon? (Video)

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As I have mentioned in the podcast and in blog posts, I have a lot of trouble picturing HOW 20 meter photons somehow fly off my antenna.   I...
Saturday, July 20, 2024

Are Hackers the Future of Amateur Radio? Thoughts from Lex PH2LB

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Thanks Lex:  Your message reminded me of a comment sent to me on the YouTube channel.  The commenter seemed to criticize my use of a digital...
Saturday, June 15, 2024

Sticker Madness, HI7, April 1

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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...
Sunday, July 23, 2023

First Contacts with 15-10 Rig -- Two Atlantic Crossings

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  I was just testing it, working (as usual at this stage) on final amplifier stability.   Then I heard ON5WO calling CQ.   I could not resis...
3 comments:
Monday, July 10, 2023

Martein's Bandpass Filters - PA3AKE

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Above you can see the really nice 15 meter filter that I built using data provided by Martein PA3AKE.  https://martein.home.xs4all.nl/pa3ake...
9 comments:
Friday, September 30, 2022

Sticker News (from Holland)

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Lex PH2LB sends this really interesting Vice story about stickers and sticker culture.  Who knew?  The original article is in Dutch, but jus...
3 comments:
Friday, August 26, 2022

PA3CRX's 6 Meter BITX in an Old CB Case

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Thanks to Rogier PA1ZZ for alerting me to this video and to the PA3CRX YouTube channel.  I like what Chrix did with the old CB transceiver c...
Monday, June 27, 2022

Thoughts on Homebrew, Makers, DIY, and Hams -- from Lex PH2LB

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Sometimes we get a comment that is so good that we elevate it to the main blog page.  That was the case with Lex PH2LB's comment on the ...
1 comment:
Thursday, June 2, 2022

The Amazing Workshop and Test Gear of Tony Albus PE1ONS

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This is almost too much.  This makes me want to go out and buy some more test gear, maybe another scope, or a spectrum analyzer, or at least...
1 comment:
Tuesday, May 24, 2022

Sticker Shock -- WYKSYCDS Stickers Spotted in NYC and in a Netherlands Pub! Awards!

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  I am awarding the coveted Brass Figlagee with Bronze Oak Leaf Palm to Dave W2DAB, to Lex PH2LB, to Jesse N5JHH, and of course to Pete Juli...
Friday, May 20, 2022

500 WYKSYCDS IBEW Stickers Arrive in Europe! Order yours today! Free!

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Lex PH2LB in the Netherlands has gone the extra kilometer for the IBEW.  When he saw the stickers that had been placed in New York City, he ...
2 comments:
Friday, February 4, 2022

Barefoot Ham Radio -- PA2OHH's Wonderful Web Site

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I first saw the link to Onno's site on Peter VK2TPM's blog.  And at first I confused it with the site of another great homebrewer M...
Tuesday, October 19, 2021

Homebrew Tiny Space Telescopes from the Netherlands

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It is good every once in a while to step back from our electronic work benches and take a look at what other kinds of builders are making.  ...
3 comments: