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Probably, but most don't know that my Ph.D. is in economics, not CS, so I always have an interest in such stuff. BTW, if anyone wants to read about the internal rate of return on 18th century

Allard ... this is excellent ... exactly what I was hoping for. ?Thanks for the quick response !? My thoughts on ?ESD protection for the key line were that it would be easier to do something like

Jack, You're taking me way too seriously! Jerry

Jerry: I didn't follow this: ? ???but then wouldn't the US would have high customs charges for stuff originating here too? The last thing the US wants to do is make our goods higher in price. I

The bulk of the charge will be RM's "admin fee" for collection and processing the duty. 73 Phil (G8YQK) [email protected]> wrote:

At the risk of stepping deeply into it: ? ? Maybe, but then wouldn't the US would have high customs charges for stuff originating here too? Jerry

Terry Below a certain value, there is no duty to pay. You should be able to get the figure from the Inland Revenue or Customs & Excise website. I believe the Royal Mail can be a little lax in their

Perhaps it's because the British gov't doesn't like Trump? Jack, W8TEE To: [email protected] Sent: Thursday, June 15, 2017 12:04 PM Subject: Re: [BITX20] uk customs hi can anybody explain the

hi can anybody explain the peculiarities of uk customs. i ordered a dummy load from usa at a cost of about $20 and royal mail charged me ?14 for duty and admin but i ordered my bitx40? from india

Really really small ones. ? Don't take me too seriously.

A series resistor of 1k between your key jack and the Nano's A1 should offer plenty of ESD protection. The Nano's internal pullup to 5v is a minimum of 30k, so when you ground it at the key jack the

Michael, see answers below: This is already implemented. Changing the sidetone frequency not only affects the audible sidetone but the actual RX offset (not TX offset!) as well. That wouldn't be

A friend used a piece of steel mesh with round holes punched in it. He then clamped the mesh to his front panel and used a drill press to drill every hole he wanted (the drill bit passes through the

I painted mine with layout dye (Dykem) and scratched a grid into it. At the intersections I hit it with a punch then used a hand hole punch to poke the holes. Alcohol removes the layout dye. That's

Does the Sidetone frequency setting for CW in Allard's code just adjust the audible sidetone or does the TX Offset for CW actually track this sidetone setting as well ? ?If not, ?this would be a

It doesn't look like it or if there is it is beyond my knowledge.? I would be very happy to see someone else come up with a better way to do this.? The map and sign up system on WSPRnet.org is great

hi my problem is that i am not competent to solder the connection to a smd capacitor. terry

That looks good. Or the following works for me. Take a piece of veroboard, draw a circle slightly smaller than the speaker on it with a drawing compass, the sharp leg should be located in a middle

Hmmm, ?not much found when I Googled the first time but I guess I chose my keywords better the second time and found this which is not too complicated and looks pretty good. ?It can be scaled

Google speaker hole template there are lots of patterns i advise you to use the simplest. Eacc. Ew hole is a chnace to ruin the wwork