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Comment Re:But how many of those 700,000 are alive? (Score 1) 358

Hopefully, the power losses in 100 feet of coax will not be too much if I use RG-213 coax and put a weatherproof automatic antenna tuner at the base of the multi-band vertical antenna.

If you can, you should investigate using some sort of ladder line rather than coax; even if you are using an antenna design that would require a balun, you will probably still do better in terms of signal loss with a 100 foot run. Of course, the tradeoff is that it'd be HF only, but it sounds like you probably already have a VHF/UHF antenna. (Also you can use an antenna, like a G5RV, that's optimized for feeding by ladder line.)

I've also seen some very clever homebrew arrangements where you can basically make your own heavy-duty ladder line by stretching THHN wire from 2x4 posts sunk at intervals into the ground. Similar to old knob-and-tube wiring almost. It's quite elegant looking when done right.

Comment Re:But how many of those 700,000 are alive? (Score 2) 358

And this is a problem ... why?

Imagine if we actually required the sort of test that some old farts seem to advocate for. Very few people would pass, new licenses would dry up, and eventually the cellcos and the other usual greedy suspects would steamroll whatever was left of the ARRL and have the spectrum reallocated. End of story.

Those "appliance operators" you speak so disparagingly of are, just by virtue of using the spectrum allocated to the Amateur service and perhaps being active in a local club or sending a few bucks to the ARRL, what keeps the hobby possible.

Frankly, I'm all for lowering the bar further, down to a nominal fee and a test that only covers the legal aspects and RF safety. Not because I don't think the electronics are important, but it's a hell of a lot easier to interest people in the electronics once they've already started to play around a bit and see the applied side of things, and we need the warm bodies if we want to hang onto the spectrum.

Also, there are valid aspects of Amateur Radio that really don't rely on or require much electronics knowledge. For some people, Amateur Radio is more of a means to some other end, or an accompaniment to some other interest/hobby. There are a significant number of people in my local club who are Red Cross volunteers or paid employees, and maintain Ham licenses in order to do EmComm stuff. That's a totally valid use of Amateur Radio, but it doesn't require much theoretical knowledge of radio, just the actual practical radio-operation skills to get the messages across.

The ARRL is slowly taking more of a "big tent" philosophy, and it's time for the rest of the community to be a bit more welcoming if we want to have any hope of surviving for a few more decades.

Submission + - Gizmodo author faces huge criticism over article (gizmodo.com.au) 2

RichM writes: A Gizmodo post by Alyssa Bereznak humiliating a world champion "Magic: The Gathering" player, who has earned $300k from his hobby, has seen a large amount of criticism across the net; including on Twitter and even other Gawker sites.
The ethical concerns over this post are also quite clear.

The Streisand Effect demonstrated, yet again.

Comment Re:In other words... (Score 1) 722

Also, I doubt that exterior paint is a fraction of the paint sold; most is probably interior paint.

In my house, based just on the layers of paint on windowsills and baseboards, there have been at least 4-5 complete interior paint jobs. (Corresponding to each time the house has been sold.) There's been only one done outside in the same period. It may be a slightly more extreme than usual case, but I suspect most houses are similar. I'd bet the interior of a house has more paintable surface area, too (think about ceilings!).

Comment Re:What about those that live in colder climates? (Score 1) 722

It's a whole lot easier to just have someone come in and blow fiberglass insulation into the attic than change the pitch of the roof. Engineer the roof for the snow/wind load, then insulate the living spaces below.

In a modern, well-insulated house, the attic isn't part of the heated living space anyway. If you're heating or cooling your attic, you're doing a lot of things wrong.

Comment Re:Great, so how the hell do I paint ashalt shingl (Score 1) 722

They're talking about flat roofs, which you normally find in cities, on large buildings, and can't see from the street, not pitched roofs like you find on SFHs in the sub/exurbs.

For houses there are "high albedo" shingles in traditional colors that you can buy. They look fairly normal but reflect back a larger percentage of infrared insolation than a traditional asphalt shingle. Light grey also works better than black.

Nobody is really suggesting that you go painting a shingled roof white.

Comment Re:What a dupe (Score 1) 439

and have not been produced in mass since the 80's

You wanna provide a cite for that? No? I kinda doubt it, because I have an alarm clock sitting right next to me which I know from experience drifts like crazy when it's not connected to AC power, kinda indicative that it's not using the same timebase all the time, and it's only a few years old. Lots of clocks (alarm clocks especially) only use internal oscillators as a backup when running on battery, and they often don't do a very good job. And this is a Sony; the cheap ones like you'll find in millions of hotel rooms are probably even cheaper -- it wouldn't surprise me if they have no battery or internal oscillator at all.

I don't doubt that the circuits inside most of them were designed in the 80s, but that doesn't mean much.

Comment Re:Stimulus in your face (Score 1) 439

and your coffee machine has a digital clock based on a crystal, you could run it off a bicycle and it wouldn't care

Says the person who has never tried to run a Mr Coffee off of a shitty generator. Let me tell you, it won't work. Freaked the fuck out. (Only the timer/clock part -- luckily the heater part still ran OK, or we all would have been doomed.)

Lots of people in this discussion are seriously underestimating the number of things that use line frequency as a reference, and overestimating the number that use quartz crystals in anything except a backup. Many alarm clocks do have crystals, but use them only when running on batteries. My alarm clock that's sitting right next to me -- a Sony that you can buy at WalMart right now if you want -- is like this. When the power goes out it runs on the battery (if you have one installed and it actually has any juice), but in this mode it will lose time like crazy. After an all-night power outage this winter it was off by a good 10 minutes or so. I've noticed the same behavior with other clocks, too. (My oven does the same thing except I never have the backup battery in it anyway.)

Submission + - Is copyright stifling Hollywood? 2

freddienumber13 writes: An article about Hollywood continually using 19th century texts for movies on The Guardian's website finishes with a comment about how all of these books and stories being used time and again for movies are out of copyright. Is this something that the Hollywood mafia has overlooked? In their quest for elongating their franchise over old works, are they in fact condemning new work to being ignored because the prospect of using someone else's copyright is too expensive?

http://www.guardian.co.uk/film/2011/may/30/filming-the-classic-novels

Comment Re:Article Has a Very Strange Conflict (Score 2) 858

Yeah I don't really see this catching on in the short term; there aren't that many use cases where you need the the anonymity of cash, but where you can't just use cash. Buying grey- or black-market stuff online seems to be the major one, and if that's the only market you can be sure the regulators are going to come after them.

Eventually -- maybe in my lifetime, maybe not -- I think governments are going to try and get rid of cash. We think of cash as being a frictionless medium for exchange, and it's certainly better than barter or carrying around large amounts of metallic coinage, but it's not that easy to manage. Cash has to be physically moved from one place to another (e.g. a merchant has to physically make a deposit at the end of the business day, banks have to physically return worn bills to the Federal Reserve and get new ones, etc.) and that involves a lot of trouble and expense.

I wouldn't be surprised to see some sort of system that allowed banks -- and eventually, merchants -- to deposit bills into the Federal Reserve by scanning them and then shredding the paper. You'd probably have to add additional information onto the bills on top of the serial numbers that are there right now, maybe some sort of electronic signature in 2D barcode form, but I don't think it's totally impractical. From there you could start phasing out cash in favor of some sort of debit system.

Like I said, I don't think it's imminent, but it wouldn't surprise me if it started to happen in my lifetime.

Comment Re:Article Has a Very Strange Conflict (Score 1) 858

They serve absolutely no purpose with no possible side usages (like gold).

Erm, what? Gold is pretty useful stuff. At the end of the day, aside from just looking pretty, it's useful as an electrical conductor, in many chemical processes, and you can hammer it out into a sheet only a few atoms thick if you're really motivated. Pretty neat stuff really.

By using it as currency we probably keep the price several times higher than it would otherwise be as a purely industrial metal, but the value would not be zero. Same with silver, platinum, iridium, and other metals that are used both industrially and traded as currency or as investments. Part of the reason they're used as currency is because their value is backstopped by their industrial uses. (Especially true of platinum-group metals.)

Now if you want an example of something that's almost totally worthless ... large diamonds. Small diamonds are handy, mostly as abrasives, but large ones? Nothing to them but "teh shiny" and a lot of advertising. Diamonds, when you get right down to it, are basically a sort of voluntary fiat currency where people agree that they're valuable not because any government says they're valuable, but because other people think so. If everyone decided at once that they weren't, and that they weren't willing to pay lots of money to put them on jewelry, they'd be good for nothing but crushing up to make tile-saw blades.

Comment Re:Not over the top at all! (Score 1) 858

There are many people who would argue that we'd be better off going to half or even a tenth of that resolution (nickel or dime resolution, respectively). I think it might cause some issues when doing transactions that involve multiplying a unit price across many units, e.g., imagine a data connection priced in kB or MB, but you could always do the computation at some higher resolution and then round using a standard algorithm to nickels or dimes for payment. We already do that at the gas pump (where the price is calculated to the tenth of a cent but rounded to the nearest cent for payment) so it wouldn't be that much of a stretch.

Only argument against this tends to be that retailers would do shady things with the rounding if the amount became even remotely significant. You could probably fix that legislatively, though.

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