Showing posts with label 40 meters. Show all posts
Showing posts with label 40 meters. Show all posts
Wednesday, December 11, 2024

An Evening Bandscan on 40 Meters using the High-School Direct-Conversion Receiver

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This video shows how useful this receiver really is.  Build one of these!
2 comments:
Monday, December 9, 2024

Listening to 40 meters on the DC Receiver -- And I Heard a Distinguished Homebrewer!

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I made the video above to show postential builders how useful our Direct Conversion receiver really is.   Late in the video (starting at 11:...
1 comment:
Saturday, December 7, 2024

My Receiver Doesn't Work Right! What Should I Do?

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An early version of our DC receiver.  Note the tuning guide under the grey tuning knob.  We prepared this for use by the high school student...
2 comments:
Wednesday, December 4, 2024

Challenge Accepted! Why we Designed the High-School Direct-Conversion Receiver the Way we Did

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Dean KK4DAS's Beautiful DC Receiver The folks over at Ham Radio Workbench have graciously accepted the challenge issued in our last podc...
2 comments:
Tuesday, December 3, 2024

Pil Joo's Homebrew Superheterodyne Ham-Radio Receiver

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It is just very cool to see someone build a superhet and get it to work.  For so many years amateurs were told that "homebrew receivers...
Monday, November 25, 2024

Pete N6QW Has Hybrid Rig On-The-Air

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  A thing of beauty on a wooden board.  Pete's post:   https://n6qw.blogspot.com/2024/11/11252024-1st-dx-with-40m-hybrid-rig.html "...
3 comments:
Wednesday, May 29, 2024

2014 "Off the Shelf" Regen Comes Off the Shelf (Two Videos)

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Walter KA4KXX spotted an error in the schematic of my 2014 "Off the Shelf" regen receiver: The source resistor on the MPF-102 sho...
1 comment:
Tuesday, April 16, 2024

The Rad Receiver from N6GWB

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Geoff N6GWB and his eldest have produced a really wonderful receiver, and have joined the elite ranks of those who have built their own rece...
3 comments:
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...
6 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:
Tuesday, March 12, 2024

Justin's Receiver -- A 40 meter Superhet from AC8LV

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  FB Justin!  I really like the board that you are using as a base for the project.  And you have some great mentors in Nick and Loren.   It...
Wednesday, February 7, 2024

Videos from Mike AG5VG -- His Homebrew BITX Rigs

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Here are two great videos from Mike AG5VG showing his two homebrew receivers in action.  (The transmitter portions of Farhan's circuit w...
5 comments:
Tuesday, February 6, 2024

Pine Boards, Analog VFOs, and Homebrew BITX Transceivers -- AG5VG's Magnificent Creations

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Click in image for a better view This is amazingly cool.  WE ARE NOT ALONE!  There are others out there breaking the tyranny of the Si5351, ...
3 comments:
Sunday, February 4, 2024

Scott KQ4AOP Successfully BUILDS a Receiver (Video) -- This is the Homebrew Spirit at its Maximum

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This is just so cool.  Scott KQ4AOP has successfully homebrewed a ham radio receiver.  He used the circuit Dean and I developed (with a lot ...
12 comments:
Monday, January 1, 2024

Happy New Year! Straight Key Night at N2CQR (video)

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As you know, here at SolderSmoke East HQ we are all about TRADITION.  So last night (New Year's eve) I fired up my venerable HT-37 / Dra...
1 comment:
Sunday, December 31, 2023

South African Homebrew: ZS4L's "Griffin" 40 Meter SSB Transceiver

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  That's William, now ZL4L, and his homebrew 40 meter SSB transceiver.  He has given the rig a wonderful name from Greek mythology:  The...
2 comments:
Thursday, March 30, 2023

An Antenna for the High-School Direct Conversion Receiver (and Next Steps in the Project)

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We have reached the point where we have to decide on an antenna for the high-school  direct conversion receiver.  It needs to be simple and ...
Saturday, March 18, 2023

The Islander -- A Homebrew DSB Rig from Cuba

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  This article, the pictures, and the comments are all so cool. They really capture the spirit of homebrew.  Obviously we still need more in...
1 comment: