Saturday, November 30, 2019

Mr. Carlson's Analog Panadaptor -- "Like a digital waterfall, but fun!"

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We've been talking about Panadaptors -- especially about NON-DIGITAL Panadaptors.  Kind of like waterfalls without the digital water. ...
1 comment:
Friday, November 29, 2019

Follow-Up on Scratch-built BITX17 -- Board Map and Video

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In my last post I put up a time lapse GIF of my BITX 17 build from about six years ago.  Above you can see my drawing explaining what...
Wednesday, November 27, 2019

How A Homebrew BITX Comes Together

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This is a bit of a blast from the past.  When I was building my BITX17 I paused after placing each stage on the board and took a picture. ...
5 comments:
Monday, November 25, 2019

SolderSmoke Podcast #215 Regen Madness, KWM-4, Paesano, Mailbag

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Latest N2CQR version of N0WVA's Regen SolderSmoke Podcast #215 is available.  25 November 2019 http://soldersmoke.com/soldersmok...
3 comments:
Thursday, November 21, 2019

Notes and Video on Doug N0WVA's Amazing Single Transistor Regenerative Receiver

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When I had trouble getting the regen receiver in W2UW's ET-1 circuit to work, I turned to the internet and -- through AA7EE...
4 comments:
Wednesday, November 13, 2019

Transit of Mercury, 11 November 2019, and a Transit of Venus and Some Sunspots from 2012

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Above:  Transit of Mercury, November 11, 2019 as I saw it from Northern Virginia using a 4.5 inch reflector with image projected onto a...
Tuesday, November 12, 2019

Listen to the ET-2's Minimalist Regen Receiver

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I'm guessing that most of you have never listened to a regen receiver that uses only one transistor.  So in these videos I've t...
6 comments:
Monday, November 11, 2019

SV3ORA's Amazing Homebrew Web Site

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Kostas Giannopoulos  has  a lot of really great homebrew information on his QRP web site .  It is reminiscent of the JF1OZL site. Check it...
1 comment:
Saturday, November 9, 2019

SPRAT, the FETer, DLR headphones, and recent QSOs on the ET-2

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Yesterday we had QSO #13 on the ET-2.  This was with Jim W1PID.  In an earlier contact Jim told me I had some chirp.  I fiddled with the ...
2 comments:
Thursday, November 7, 2019

The ET-2 with Callsign Tattoos

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Slots are still available!   Get your callsign on the ET-2! This rig will probably soon turn into wall art here at SolderSmoke HQ...
Wednesday, November 6, 2019

Contact #10 with the ET-2 -- Perry K9NZ

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Perry K9NZ was contact #10 with my ET-2 QRPp rig.   I found the above on his QRZ page.  Beautiful sentiments.  Most of us have s...
1 comment:
Tuesday, November 5, 2019

For All You Guys Who DON'T Use the Proper Fuse Value

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Pete has been trying to talk sense on this issue for a long time, but some folks just won't listen.  You need to have a reverse p...
1 comment: