Wednesday, August 31, 2016

A Signal for SETI? HD 164595

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That's the Russian radio-telescope that picked up what was thought to be a possible signal from an extraterrestrial civilization.  ...
2 comments:
Monday, August 29, 2016

Update on the PA3GSV M4MMRX -- And a Mystery

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Note the establishment of a new acronym (M4MMRX) for Lew McCoy's Mate for the Mighty Midget receiver.  We  have needed this acronym fo...
5 comments:
Sunday, August 28, 2016

40673 LTSpice Model?

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Does anyone have an LTSpice Model for the venerable 40673?  Or for a similar MOSFET?  I'm hoping to find something that I can easily plu...
1 comment:
Friday, August 26, 2016

The NAA VLF Station (NOT QRP!) and Brad's Receiver

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NAA Towers -- Arlington Va. 1913 Brad WA8WDQ wrote to us about a VLF (24 kHz) his receiver project (see below).  This led to some Goo...
Monday, August 22, 2016

Radio New Zealand Booming in on 7245 AM

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The day is off to a good start here at SolderSmoke HQ, with Radio New Zealand booming in on my homebrew Mate for the Mighty Midget receive...
6 comments:
Sunday, August 21, 2016

First Signals from the PA3GSV Mighty Midget Mate

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Obviously the Radio Gods (Spirits in the Sky) approve of Jan's work.  How could they not?  I can now see why he took the trouble to...
3 comments:
Friday, August 19, 2016

Hope for 17 Meters? Plasma Bombs! Ionosphere Modification!

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But don't get your hopes up. https://www.newscientist.com/article/mg23130871-000-us-air-force-wants-to-plasma-bomb-the-sky-using-tiny-...
3 comments:
Wednesday, August 17, 2016

N7UN Talks About Summits on the Air (FDIM Interview by Bob Crane)

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Bob Crane, our intrepid correspondent at the Dayton Hamvention talked to Guy N7UN (pictured above) about taking ham radio up to the mounta...
Tuesday, August 16, 2016

Reggae Knack?

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Could it be that Bob Marley's son Ky-Mani has The Knack? Probably not (no mention of it in Wikipedia) but he certainly has some nice ...
1 comment:
Monday, August 15, 2016

The Joy of Analog Oscillation -- A Character-Building Experience

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Gentlemen, I'm a younger ham, just 26, and I've just experienced what I think you call Joy Of Oscillation as I completed my fir...
1 comment:
Sunday, August 14, 2016

An Irish Knack Story

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I think Tryg should get that Ladybird receiver working again.  ------------- Hi Bill, Thanks for the great podcasts and also to P...
1 comment:
Saturday, August 13, 2016

KB8M's Mighty Mite -- Beware the Treacherous P2N2222!

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Doug KB8M did a beautiful job with his Michigan Mighty Mite.  But, as often happens, it still didn't work. He turned to us for advice...
5 comments: