Thursday, November 16, 2023

The Grid Leak Detector -- Follow-up from Yesterday's Post on the Whole Earth Catalog's "Hippy" One Tube Receiver

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Click on image for a better view When I first looked at it in the Whole Earth catalog circuit, I thought it was a regen.  But a commenter c...
1 comment:
Wednesday, November 15, 2023

Whole Earth Catalog Part II: More on SWL (and a Hippy One-Tube Receiver)

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Click on image for a better view Lee McKusick was correct about many things, but of course we were a bit disappointed by his focus on store ...
5 comments:
Tuesday, November 14, 2023

From the Last Whole Earth Catalog (1971) -- Short Waves -- Part 1

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Click on image for a better look Having recently returned from San Francisco, it seemed somehow appropriate for me to take a look into the L...
2 comments:
Friday, November 10, 2023

SolderSmoke Podcast #249 -- Travel, Pete's 6BA6 rig, Books!, VFOs, SDR, Computers, Spectrum Analysers, Transistor Man! MAILBAG

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New VFO for 15-10 Transceiver Schematic below SolderSmoke Podcast #249 is available:  http://soldersmoke.com/soldersmoke249.mp3 There is als...
9 comments:
Thursday, November 2, 2023

Listen to Rex. W1REX. Lots of Tribal Wisdom in this Ham Radio Workbench Interview

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  https://workbench.libsyn.com/hrwb-193-building-projects-with-rex-harper-w1rex This week's Ham Radio Workbench podcast features an inte...
2 comments:
Wednesday, November 1, 2023

Basil Mahon is an Author for Us -- He explains Faraday, Maxwell, and Heaviside

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  Armand WA1UQO has sent me two of Basil Mahon's books.  They are both really great.  He is a wonderful writer who has the rare ability ...
1 comment:
Tuesday, October 31, 2023

Building a Crystal Set (Videos)

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Andreas DL1AJG in Germany sent the above video to me.  Andreas is the fellow who ran the course in which his university-level students built...
1 comment:
Sunday, October 29, 2023

Apollo Core Rope Memory -- CuriousMarc Takes it on (video)

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Here is another amazing Apollo video from CuriousMarc (AJ6JV).  Thanks to Bob KD4EBM for alerting me to this.  We have recently been discuss...
Saturday, October 28, 2023

Mattia Zamana's Amazing Direct Conversion Receiver

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Thanks to Ed KC8SBV for sending me this awesome video.  It looks like Mattia built this receiver way back in 1995.  The tuning indicator is ...
7 comments:
Friday, October 27, 2023

A NETFLIX Series with Boatanchors and Direction-Finding -- All the Light We Cannot See

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Looks good.  November 2, 2023. 
1 comment:
Monday, October 23, 2023

Bringing a Faulty Herring Aid 5 Receiver Into the Light -- Fixing the AF Amp Schematic Error (video)

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I picked up this old homebrew receiver in March 2023 at the Vienna Wireless Society's Winterfest Hamfest.  It is a Herring Aid 5.   I wa...
6 comments:
Sunday, October 22, 2023

DIAL SCALE LINEARITY -- Spreading out the Frequencies for the 15-10 BITX Rig

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Click on the image for a better view The 15-10 Rig has been performing very well, pulling in a lot of DX contacts on both bands.  But there ...
3 comments: