Monday, March 31, 2014

SolderSmoke Podcast #159: Hamfests, Herring Aids, and Tuna Tins

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  SolderSmoke Podcast #159 is available.    http://soldersmoke.com/soldersmoke159.mp3 April 1, 2014 Vienna Wireless Hamfest ...
5 comments:
Sunday, March 30, 2014

First Contact with Herring Aid 5 AND Tuna Tin 2

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Ah, it was a good morning in the N2CQR shack!  Last week I ran into fellow ham David Cowhig at work.   I was regaling him with tales of ...
Saturday, March 29, 2014

Harv's DDS Function Generator

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Nice looking DDS function generator Harv!  Glad to see the HT-37 in the background. (And it appears well protected -- is that some sort o...
Thursday, March 27, 2014

Remotely Controlled Stations on the Internet

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Now for something completely different!   I  find myself talking fairly often to hams who are using remote transceivers.  The operator wil...
1 comment:
Tuesday, March 25, 2014

Hackaday Goes to Shanghai

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http://hackaday.com/2014/03/24/the-gathering-shanghais-hackaday-community/ Our book: "SolderSmoke -- Global Adventures in Wireless...
Sunday, March 23, 2014

VU2JN's "Transistor Transmitter from India"

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VU2JN VU2INJ's very interesting blog led me to a wonderful 1967 QST article by VU2JN.  Check it out.  Necessity truly is the m...
1 comment:
Wednesday, March 19, 2014

The Really BIG Discovery (Cosmology, Gravity Waves, Inflation)

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The signals that were announced this week are a bit outside our normal frequency range, but this is a REALLY BIG discovery so of course, it ...
1 comment:
Monday, March 17, 2014

A Short Video on my Herring Aid 5

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Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shir...
2 comments:

The Ladybird TRF (Regen!) Receiver

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http://www.mds975.co.uk/Content/trfradios02.html My feelings about regenerative receivers and their possible connections to the nether-...
2 comments:
Friday, March 14, 2014

The Wizard of Sao Paulo

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It has been about 4 years since Miguel, PY2OHH, has been mentioned in this blog.  That's too long!  Miguel has churned out an impress...
1 comment:

Farhan's RM386 RF Amplifier

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An RF amplifier inspired by a quest for an AF replacement for the LM386.  I like it!  Check it out: http://www.hfsignals.org/index.php/RF3...
Thursday, March 13, 2014

Herring Aid Motorboating STOPPED!

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FIXED!   Following up on suggestions from Tony Fishpool and from Roy Morgan, I put a 10 ohm resistor between the two supply lines and put 10...