Monday, February 26, 2018

Dragnet Goes After TV Repairmen in 1951

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Detective Friday goes after a vicious new kind of crime:  Crooked TV repairmen who overcharge their customers.  These monsters unneces...
4 comments:
Sunday, February 25, 2018

Soldering Fingers (and SWR Bridges) in Norway

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Tore Bonderudtåjet LB4RG tells us that he is a SolderSmoke listener, and that the old tradition of hams soldering their fingers together...
Tuesday, February 20, 2018

N8NM's "20 Dollar Bill" DC Receiver

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Steve N8NM wrote:  I call it "The $20 Bill" because it contains about $20 in junkbox parts and complies with Bill...
Monday, February 19, 2018

A Wonderful Troubleshooting Story -- Thailand, Mixers, a Simpson 260, Microwaves, and some Black Tape

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My old friend was really fortunate to have had such a good Staff Sergeant instructor at Signal School, someone for whom the mixer trig ...
Sunday, February 18, 2018

HB2HB QSO with KC1FSZ and his Al Fresco Scratch-built BITX

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I had some good luck on the ham bands last weekend.  First, I was called by Bruce KC1FSZ -- this time he was on his Al Fresco scratch-bu...
Saturday, February 17, 2018

KD4PBJ's Acorn AM Broadcast Band Regen

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From Chris, KD4PBJ:  This is my AM band regen I built during December and early January.  It uses a 955 acorn tube and is a rea...
2 comments:
Wednesday, February 7, 2018

Understanding Switching Mixers (as in the Ceramic DC RX)

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W3JDR's Comment on my post about the DC RX mixer got me thinking.   He was right -- my explanation of the mixer action wasn't quite...
3 comments:

F5LVG's Glue-Built Mixer Transformer

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One thing I forgot to mention:  In Olivier F5LVG's DC receiver article back in SPRAT 100, he casually mentioned building a transf...
3 comments:
Sunday, January 28, 2018

Building the Ceramic Discrete Direct Conversion Receiver #4 -- The Mixer

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I think the most important stage of a direct conversion receiver is the mixer.   This is the stage that takes the RF energy coming in fro...
7 comments:
Sunday, January 21, 2018

Mike Rainey and Heavy Metal AM Phone

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Michael Rainey AA1TJ wrote:   I can tell you exactly what's going on here. I'd just received a license upgrade from "Novic...
3 comments:
Saturday, January 13, 2018

SolderSmoke Podcast #202 Cover-Rig, SKN, Pete's Vector Boards, uBITX, K1BQT rig, MAIL

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http://n6qw.blogspot.com/ SolderSmoke Podcast #202 is available:  http://soldersmoke.com/soldersmoke202.mp3 13 Jan 2018 Openi...
5 comments:
Friday, January 12, 2018

Towers and Antennas in Church Steeples and on Mt. Washington (VIDEO)

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1 comment: