Showing posts with label QRP. Show all posts
Showing posts with label QRP. Show all posts
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:
Thursday, May 2, 2024

Chuck Adams' Modification of the MXM Simple Transceiver -- An Early QSO with the MXM Thirty Years Ago

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Click for a better view Esteemed Homebrew Hero Chuck Adams AA7FO saw me struggling with the T/R switch on my hamfest-found MXM SupeRX/TX tra...
1 comment:
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:
Monday, April 15, 2024

A QRP Quiz Question

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  I have the answer from an excellent and authoritative source.   Here is the question:  The rig I bought for one dollar at Winterfest was p...
3 comments:
Monday, April 8, 2024

The Doug DeMaw Article that got me into Homebrew Double-Sideband

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Just click on the images for a better view Pete WB9FLW asked for this.  This was an important article for me -- it paved the way for my entr...
1 comment:
Sunday, April 7, 2024

Another CW Contact with the SupeRX/TX 40 (Video)

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I changed the crystal in the transmitter.  I got a different rock from Mouser and am now on 7030.   Wednesday April 3, 2024. On 40 meters in...
2 comments:
Thursday, April 4, 2024

MXM SupeRX/TX 40 Rig Info

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  My SupeRX/TX 40 -- now on 7030 kHz Click on schematics for a better view Details on the receiver:  https://archive.org/details/73-magazine...
3 comments:
Friday, March 29, 2024

A QRP CW Contact (Video) with the Winterfest MXM SupeRX/TX 40 (1 Watt, Crystal Controlled Transmitter)

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I picked this transceiver up at Winterfest for one dollar. 40 meters. Superhet receiver with 455 kc ceramic filter and 2 NE602s. Crystal ...
5 comments:
Wednesday, March 27, 2024

KD0FNR's Amazing San Francisco TouCans Rig -- A Rockmite and a Tuna Topper in a Pineapple Can Mounted on the Dipole in a Shopping Bag

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Click on the image for a better look This post has a definite San Francisco vibe.  Hamilton KD0FNR appeared on the SolderSmoke blog way back...
4 comments:
Monday, March 11, 2024

Radio Items Picked-up at VWS Winterfest 2024 Hamfest

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As always, click on image for a better view Above you can see what I picked up at the Vienna Wireless Society's 2024 Winterfest Hamfest....
4 comments:
Wednesday, February 14, 2024

We Get Mail! Red Poster? Really a Tapestry from Ecuador

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Listener Tobias was laid up yesterday, following the extraction of wisdom teeth. (This seems like an appropriate follow-up to our talk in So...
1 comment:
Sunday, January 14, 2024

QRP Trigger Warning! 500 kW from WLW (great video)

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Wow, this video will make you appreciate the simplicity of QRP!  My favorite part was when  they required the use of "dark welding gogg...
2 comments:
Thursday, November 30, 2023

AA9IL's Sputnik Tube, Altoids Tin Transmitter

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November 24, 2023 Hello Bill I have just built an tested a 20 meter “Sputnik” transmitter. It uses two Soviet era “rod” tubes and is fixed t...
1 comment:
Tuesday, October 10, 2023

A Low-Power (QRP) Contact from Australia to Spain (with video from both sides!)

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A recent comment on the blog put me back in contact with an old friend of SolderSmoke:  Paul VK3HN.  Paul is an amazing homebrewer -- it was...
1 comment:
Wednesday, September 27, 2023

Ciprian YO6DXE Puts the Michigan Mighty Mite on AM! (video)

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Excellent work Ciprian!   Here we have a Michigan Mighty Mite being modified for AM in Romania, with input from Hungary, and inspiration fro...
1 comment:
Saturday, June 17, 2023

Sam WN5C Builds a Michigan Mighty Mite and Takes it to Lake Thunderbird

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  Sam WN5C built a Michigan Mighty Mite and then went the extra mile by putting it on the air from a field location.  And what a great name ...
Thursday, June 1, 2023

George Heron N2APB talks about Coherent CW at FDIM: Interview #7 by Bob Crane W8SX

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It was great to hear George's voice again.  I was a big fan of his "Chat with the Designers" podcast. And it was great to see ...
7 comments:
Monday, May 29, 2023

Eric Schwartz WA6HHQ of Elecraft -- FDIM Interview #4 by Bob Crane W8SX (audio)

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  It was really cool that our correspondent at FDIM caught up with Eric Schwartz WA6HHQ of Elecraft.  Some highlights from the interview:  -...
Wednesday, April 26, 2023

Retro QRP Rigs of the 1960's, 70's, and 80's -- Video by Mike WU2D

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It is time to put aside (again!) all of the heated ideological arguments about the power level that defines "low power."  Just sit...
3 comments:
Friday, April 7, 2023

More Info on the Cuban Jaguey Solid State DSB Transceiver

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ZL2BMI Transceiver Layout (not full size here!)  Continuing our search for information the Cuban "Jaguey" DSB rig, Trevor Woods po...
6 comments: