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Morse at Christmas
The code has directly collided with my Christmas Tree..The purple decoration at the right bears repeated instances of the word "deluxe", knitted into its periphery. It was a gift from one of my...
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Cover Girl
SPRAT 165 landed on the doormat yesterday, with a familiar image on the cover...It is the 'Nicky' regen, available in kit form from Kanga as 'The Urmston'.Inside, Colin Turner, g3vtt, offers useful...
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RF Probe
Today I finally got round to building a nice little RF probe kit from Rex, w1rex, the Tuna King over at QRPme.I took the well-executed PCB which - unusually for Rex - had through hole mounting for the...
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Single Tube Regen
OM Jeff, from Traverse City, MI, wrote the other day, asking if I would share the circuit diagram for the single-tube regen receiver I described just before the holidays. I told Jeff I'd be happy to...
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Bench PSU for Tube Projects
Just back from the West Manchester Club's Winter "Red Rose" Rally, which is held at a leisure centre only a few miles from my home. Unusually, today's Rally lived up to its "Winter" billing, as there...
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Power Play II
This weekend I continued the Power Play which started back in 2014, so as to extend recent interest in RF probing and voltage detection.Readers of long-standing may recall how I described a variation...
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IDE 1.6.7 and Progress
I have this afternoon been paying obeisance to the great deity 'progress' (also known as IDE 1.6.7).In so doing, I've discovered what others who have trod the path before me have noticed - namely that...
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Switching Bilateral Amp
The January number of QRP-ARCI's QRP Quarterly just landed here at m0xpd...It contains the usual mix of neat stuff - all presented in a superbly produced, large-format journal, between full-color (it's...
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Radio Active
Just back from today's Radio Active Rally (see what they've done with the name - these people should be in marketing) ...held in the Civic Hall...of the attractive, historic market town of...
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Input BPF for the Sudden Rx Shield
Correspondent Dave has stirred me into action to finally draw some schematics for the correct form for input band-pass filters for the Kanga-m0xpd Sudden Rx Shield.I have previously described how the...
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Pickett N-515-T
I’m a big fan of slide rules. I’m old enough to be a real user – my physics master and I were the last two people in the class using slide rules when the rest were using those new-fangled electronic...
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A New Book
Today, on this anniversary of the admission of Ohio as the 17th State of the Union,I’m pleased to announce a new book, ‘getting there’The book tells – superficially – of my experiences at last year’s...
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Beer and Filters
I'm planning to show off my nice old Pickett N-515-T to some students in a few days time. I think I'll need a hook to get them interested and one sure way of attracting the attention of engineering...
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ECL86 Amplifier Test
Every once in a while, life in general and my shack in particular gets into such a mess that I can hardly breathe. At times like these my long-suffering XYL comes to my rescue and helps me to tidy...
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Late Adopter of Things
After the dusty relics of recent posts (tubes, slide rules, etc) it is time for something more 'on trend'...I was pleased to meet Richard, g0vxg, at the recent "Radio Active" rally and it was he who...
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The Connected Beacon
I've put my new esp8266 module to use - in a multi-mode beacon which is connected to the internet...Here you see the module on its programming board (as previously described), hooked up to an old...
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No Rest for Fools
Well - fools day is gone, but I'm still Rappin'...I've used some more wire wrapping wire to move the DDS module onto a more permanent home on what is now revealed as 'The Connected Beacon'...Nice one...
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A Beacon on the Internet of Things
Well - I just got my new beacon closer to where I want it: responding to remote "on / off" commands delivered from anywhere in the world via the internet.I used the tutorial on openhomeautomation.net...
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RSGB Awards
Spending a few days up in M-land, during which time I have been proud to receive a brace of awards at the RSGB Annual General Meeting.The first was the Wortley-Talbot Trophy...which, I'm told, was...
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Tour of Duty
Today the XYL and I set off on another spring trip across the pond...This time I'm set to meet with the good folks at Portage County Amateur Radio Servicewho I'm going to bore with one of my...
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