They're talking about the filament/heater in a vacuum tube. The rule is saying that the 100mW DC input power does not include the power that the filam...

In addition to the final amp, the frequency generating stage, whether it's a crystal-controlled or LC oscillator, or some kind of PLL device or DDS ci...

It hinges on the distinction between the main signal path, and the external power, that is a different and separate thing from the power in the signal...

@RichPowers - in the field of electronics, the widely accepted definition of an active device is a device that uses external power to modify/process/...

Thanks @Mark, and to be clear, I wasn't suggesting that a mod should step in. I was simply stating my opinion. I know that the opinions and sensibilit...

My thoughts too. I seem to remember someone here (Mark, I think) telling us the number of Procasters that Gerry had sold in a whole year, and it was w...

That would put him in the near-vicinity of Lindenwood Park.

I've been thinking about buying it for a few years, but other projects keep taking priority @RichPowers!

But would it? The Barix system, as I understand it, is "self-healing". If the internet connection is interrupted and goes down, the instreamer will re...

He explains why he used a tone in the post - "You will find, if you try this, that the tone will stand out even if your signal is buried under 3 or...

I saw that, and it's in line with what I've long thought - that their power/field strength allowances are much stricter than ours in North America. It...

Do you have any links to info about unlicensed low power broadcasting in the UK @RichPowers? I was under the impression that there was nothing like th...

I've been thinking of building that little Tecsun 2P3 for a while now. It's a neat little radio. I like the fact that it's AM only.

As you say @richpowers, it shouldn't be all that complex or expensive to set up an internet stream for remote transmitters. Barix seems to be just abo...

@richpowers - I thought you'd found a way to do it with Roku devices some time back?