Showing posts with label antennas. Show all posts
Showing posts with label antennas. Show all posts
Wednesday, November 5, 2025

VK3MO and WA3O - The Brotherhood of Ham Radio

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Ian VK3MO and his daughter Rachel in 2006 I have known Mike WA3O for many years -- he sent me his HW-7 QRP transceiver, which I proudly disp...
3 comments:
Thursday, October 9, 2025

Why I can listen to both sides of VK-G Long Path QSOs in the Dominican Republic

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Bottom line:  I think when Australians talk to Brits via long path,  in the Dominican Republic I am between the two. Both have their beam an...
Monday, August 25, 2025

The World's Largest Radio Telescope -- It is in the Netherlands

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This video is in Dutch, but you can easily turn on the English subtitles.   I put this on the blog for a couple of reasons:  Radio astronomy...
2 comments:
Wednesday, August 6, 2025

Antenna Options and Views from the Terrace of SolderSmoke Shack South

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Above is the view to the east.  North-east to Europe will be up to the left.  Straight out to the east gets me across the Atlantic to Centra...
8 comments:
Thursday, June 19, 2025

More on Agent Sonya

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I had completely forgotten that my blog had at least two posts on Agent Sonya way back in 2009.  I know there is a lot of interest in her al...
1 comment:
Sunday, June 8, 2025

Phil W1PJE, Director of MIT's Haystack Observatory, visits SolderSmoke East, Talks Radio with N2CQR and KK4DAS

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We were very pleased that Phil W1PJE was able to visit yesterday. Phil is the Director of MIT's Haystack Observatory . He is very know...
Saturday, May 17, 2025

MIT's Haystack Observatory and Dr. Herb Weiss

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We are really privileged to have among us ( and in the SolderSmoke Direct Conversion Hall of Fame) Phil Erickson W1PJE.   Phil is the Direc...
1 comment:
Monday, May 5, 2025

I admit it. I am not 100% homebrew. I hang my head in shame.

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Walter KA4KXX and Mike WN2A and I were recently talking about the degree to which we are 100% homebrew.  Both these guys come a lot closer t...
5 comments:
Tuesday, February 4, 2025

Mr. Carlson Restores a BC-348 -- But 40 Meters Sounds Very Weak. Why?

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Mr. Carlson mentions that he is a ham radio AMer.  He is also on SSB, but AM is, he says, his preferred mode.  FB.  I got a real chuckle abo...
4 comments:
Friday, January 31, 2025

Radio Antenna Fundamentals Part 1 -- 1947 USAF Film

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Lots of good info in this 1947 film.  But... At the end they say that an impedance mismatch between the line and the antenna will result in ...
Sunday, December 22, 2024

SolderSmoke Shack South -- with Mythbuster II and AN762 .1 kW Linear

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This is the current operating table at HI7/N2CQR.    The box up on top is my Mythbuster II -- like the original Mythbuster, but without the ...
7 comments:
Saturday, December 21, 2024

KE5HPY's Altoids Direct-Conversion Receiver for 40 Meters

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Click on the image for a much clearer view. It is a thing of beauty.  You can see all four stages in there.  There is the Bandpass Filter in...
12 comments:
Wednesday, November 13, 2024

SolderSmoke #254 (Audio and Video Versions): Australian Hex Beam Eaters, Fake Wires, Hybrid Rig, Antennas, Mythbuster II Transceiver, Mailbag

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Hex Beam Eater November 13, 2024 SolderSmoke Podcast #254 is available:  Audio Version here:  http://soldersmoke.com/soldersmoke254.mp3 Vide...
1 comment:
Tuesday, October 15, 2024

Two Great (but Old) Videos about Waves

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I've had both of these videos on the SolderSmoke blog already, but an e-mail from Farhan reminded me how good they both are. If you a...
2 comments:
Tuesday, July 23, 2024

Some Pictures of SolderSmoke Shack South

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That's me at the operating position.   Window looks out to the terrace and to the ocean to the East, the  Mona channel.  The shack is on...
7 comments:
Monday, July 15, 2024

15/10 SSB Rig On-The-Air from HI7

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I'm going to move the antenna up onto the roof (out of sight).   
Monday, June 17, 2024

1,280 Antennas at 12 GHz -- How Starlink Works

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One commenter questioned why we went with the more expensive Starlink system.  The simple answer is that it is just better, faster, and more...
2 comments:
Saturday, May 11, 2024

Helge SM/LA6NCA Activates Colorburst Liberation Army in Sweden!

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FB Helge.   This is really cool.  I didn't realize until I saw the schematic at the end that he was on 3579 kHz -- that is the old color...
2 comments:
Wednesday, May 1, 2024

KE5HPY Builds a QRP Transmitter

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  FB Chuck, very cool.  Please send us more reports on this rig.   Chuck has been on the blog many times, with many projects:  https://solde...
1 comment:
Friday, April 19, 2024

Deep Space Station 43 -- Canberra, Australia

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  https://spectrum.ieee.org/apollo-era-antenna-voyager-2 From the IEEE article:   The dish’s manufacturer took great pains to ensure that it...