Quotulatiousness

January 30, 2020

Upgrading NORAD’s capabilities with AN/SPY-7(V)1 radar (aka “Aegis Ashore”)

Filed under: Cancon, Military, Technology, USA — Tags: , , , , — Nicholas @ 05:00

Ted Campbell on the need to upgrade NORAD radar installations as part of a general refurbishment of the alliance’s capabilities:

Lockheed Martin’s Solid State Radar has been designated as AN/SPY-7(V)1 by the US government.
Image from Lockheed Martin/PRNewsfoto.

One of the elements which might be considered in modernizing and enhancing the North American Aerospace Defence Command (NORAD) surveillance, warning and control system is a new radar and some people have suggested that the AN/SPY-7(V)1 radar, sometimes called Aegis Ashore, might be a useful (and proven, it is in use, on land, in Japan, and will be fitted on Canada’s new Type 26 (destroyer-frigate) combat ships) solution. This radar is eminently suitable to be part of an enhanced (conventional) NORAD and of a CANUS continental ballistic missile defence system.

There are many technical (and logistical) advantages to using that radar on both our, Canadian, warships and in a land-based role, too.

The AN/SPY-7(V)1 radar produces a lot more information than do the current AN/FPS-117 and AN/FPS-124 radars which are used in the NORAD role, today, and were built in the 1980s using 1960s and ’70s technology.

(Please don’t worry about the AN/*** designations. They are part of a very sensible American system which was designed to make it simpler to identify both Army and Navy systems (hence the AN/ at the beginning). The three letters following the AN/ describe the system:

  • The first letter describes the installation. F means Fixed, on the ground (land) and S means on a ship;
  • The second letter means the type of equipment, and P means radar; and
  • The third letter means purpose. S means search (detection and locating) and Y surveillance and control.

Thus the SPY-7 is a shipborne surveillance radar and the FPS-117 is fixed (land-based) search radar. The numbers just differentiate one system from another.)

If Canada chooses an advanced radar, like the SPY-7, two engineering problems will need to be addressed:

  • First, these things use a lot more power than do the existing radars; and
  • Second, they produce much, much more information which needs to be “transported” instantly, to control centres in places like Canadian Forces Base North Bay, where all the data from all the radars is analyzed and used to effect NORAD’s mission. If the radar sites are located below (about) 72°N, as would be the case for coastal radars in BC, NS and NL, this is not a huge problem because the station is within the “footprint” of the big, high bandwidth satellites in geostationary orbit. But if the radar site is too far North then a terrestrial (possibly microwave, maybe tropospheric scatter) network (in which each station needs electrical power, too) will have to be installed to move the data to a satellite ground station. (Or a non-geostationary, high bandwidth, satellite system will have to be deployed.)

The incredible English Joiner’s Bench

Filed under: Tools, Woodworking — Tags: , , , — Nicholas @ 04:00

Rex Krueger
Published 29 Jan 2020

Make a full-size, hand-tool work bench that’s also fast, easy, and cheap.
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French immersion is still like private school for the middle class

Filed under: Cancon, Education — Tags: , , — Nicholas @ 03:00

Chris Selley talks about the differences between Canadian official bilingual opinion and reality for Canadian students:

Inevitably in these discussions, however, someone dares mention the unspeakable truth: that when it comes to bilingualism, not all Canadians are born equal. Conservative MP and possible leadership candidate Michelle Rempel Garner suggested bilingualism was a matter of “privilege” — “either financially, access to education, or time required.” And the National Post‘s Alberta correspondent, Tyler Dawson, ventured that in most of the country, “it’s nearly impossible to finish high school fluent in French and English.”

These perfectly axiomatic observations produced the standard anecdote-laden blowback. Author and journalist Chris Turner boasted of his “fully bilingual” 14-year-old daughter, the beneficiary of “a public immersion program in Calgary, which is maybe Canada’s least French city.” Former Parliament Hill reporter Rosemary Thompson claimed “there are many options in the public school system for French” in “rural Alberta.” Shannon Phillips, the Alberta NDP’s finance critic, claimed “there is French-language education of high quality almost everywhere in this country.”

It’s frankly bizarre that Canadians who think bilingualism is important could be this misinformed. The internet is full of studies, papers and op-eds from the Official Languages Commissioner, the Senate’s Standing Committee on Official Languages and the various chapters of Canadian Parents for French bemoaning widespread lack of access to French-as-a-second-language education.

The numbers back that up. Never mind graduating high school bilingual; the vast majority of Canadian students aren’t even studying it after elementary. In the 2017-18 school year, excepting Quebec and New Brunswick, just under 50 per cent of Canadian Grade 9 students were in either core French or French immersion programs. In Grade 10 that was down to 22 per cent; in Grade 11, 15 per cent; in Grade 12, eight per cent.

Where French classes are available, moreover, they are too often shoddy. A 2017 report from the Senate committee noted a study finding 78 per cent of teachers teaching core French in British Columbia “felt uncomfortable speaking French.” Why would parents waste their kids’ time with that, if competent instruction in Mandarin, Punjabi or Japanese were available down the hall? (French isn’t mandatory at any grade level in British Columbia.)

As for French immersion, demand vastly outstrips supply. Lotteries and waiting lists are de rigueur. The Senate report told of cases where parents “camp(ed) outside schools to enrol their child in French immersion programs (for) up to four days.” Most parents have to go to work.

Back in 2015, Aaron Hutchins covered this for Maclean’s:

French-English bilingualism rates may be on the decline in Canada, but when it comes to getting kids into French immersion programs — which have come to be seen by many as a free private school within the public school system — there is nothing, it seems, that a Canadian parent won’t do.

Alyvia is now in Grade 2 and loving French classes. But for every student who graduates from French immersion, there’s at least one other who has been bumped out of the program and put into an English-only stream that many deem inferior. Well-meaning parents may feel that French immersion is the answer for every child. In reality, it has become an elitist, overly restrictive system, geared to benefit a certain type of student.

[…]

“What a program like French immersion does is it siphons off those kids who have engaged families who make sure the kids do all their homework,” says Andrew Campbell, a Grade 5 teacher in Brantford, Ont. “Because of that, the opportunities in the rest of the system are affected because the modelling and interaction those kids would provide for the other kids in the system aren’t there anymore.”

The immersion program creates division along lines of gender, social class and special needs students, wrote a 2008 study from the Canadian Research Institute for Social Policy looking at French immersion in New Brunswick. Girls are more likely to be enrolled than boys and the French stream has fewer kids in need of extra help. All things being equal in New Brunswick, every class — French or English — should have 3.4 students with special needs. But when a school offered French immersion, the average number of special needs students ending up in the English stream was 5.7. This kind of segregation is not unique to that province.

The richer the family, the more likely their kids will be immersed in French, according to figures from a Toronto District School Board study. In 2009-10, 23 per cent of all French immersion students came from families in the top 10 per cent of income. Meanwhile, only four per cent of French immersion students came from the bottom 10 per cent of family income.

“The program is open to lots of people, but it gets whittled down,” says Nancy Wise, a French immersion educational consultant and former special education teacher in the York region, just outside Toronto. “If you can’t cut it, you probably fall into one of these categories: [you’re a] new Canadian, this is your third language, you’ve got some learning challenges, or there’s a socio-economic factor. They jump on it in the schools and show them the door — and it’s just not right.”

Cutting a Dovetail by Eye | Paul Sellers

Filed under: Tools, Woodworking — Tags: , , — Nicholas @ 02:00

Paul Sellers
Published 7 Nov 2019

Set up a board and start freestyle dovetailing to see just how close you can get to the one in seven ratio. You might surprise yourself. Watch Paul give it a go!

If you’re near to the one in seven ratio, then practice will give you muscle memory you can ultimately depend on. If you are way out, then just keep trying until you are close. It’ll come.

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Want to learn more about woodworking?

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QotD: Nutrition and aging from the middle ages to the 20th century

Filed under: Europe, Food, Health, History, Quotations — Tags: , , , — Nicholas @ 01:00

Those of us who didn’t grow up in the first world (second and a half at best!) know d*mn well how people lived in the 20th century, with nominal indoor plumbing, but without a lot of changes of clothing, washers and dryers, heated houses, etc. (The trains from the mountains, where it was colder, in winter, smelled like a mix of VERY unwashed bodies and wood smoke. You never forget that smell.) The particular etc. I have in mind in this case is the lack of refrigeration.

Look Portugal is fertile enough that a careful planner can feed a family on less than an acre of land (particularly the area I come from, apparently one of the oldest inhabited in Europe and whose name in Indo European translated as wet and fertile valley.) I’m sure the food available to us in the 20th century when you could buy improved seeds, etc. was way better than the one available to people in the middle ages.

But … yeah, no. We didn’t eat like people do now. Not even close. For one, meat was fairly scarce. We mostly ate fish (thanks to the coasts!) and vegetables. Oh, and we were relatively lucky. A lot of people got almost no protein. The most common lunch among the people was the “isca” that is a bit of fried flour which might or might not have a couple of shreds of codfish in it. The very poor ate a lot of vegetable soup.

And again this was in the 20th century. In winter vegetables more or less vanished and the only fruit available were the wrinkled, flour-like apples.

Christmas treats were dried fruit, not cookies. It tells you all you need to know. (Yes, it was healthy too except for the scarce protein for most people, but no one said the way we eat is particularly healthy.)

I’m not complaining, but I know that we ate massively better than my parents did in the mid 20th century. And they ate better than their parents. So, kindly, do not tell me some serf on a medieval estate got his choice of however many flavors of ice-cream.

Sure the very rich ate well, if sometimes oddly. But the average person, not so much.

And as for living as long? Yeah, no.

I still remember vividly — as do many our age — when 60 was old, 70 VERY old.

Yes, I’m concerned for my parents in their late eighties. And that’s, as my dad puts it “after 80, that’s old”. But it would surprise no one is they lived another 10 years. Because a lot of people do now. And now one makes a big deal of people who turn 100. (Even though 114 seems to be, a little inexplicably, our hard drop-off limit.)

And besides we KNOW. Shakespeare at 58 — two years older than I’m now — was “very old.”

So kindly take your “people lived about as long,” fold it all in corners and put it where the sun don’t shine, even if people in the arctic in winter will be a little puzzled by it.

Sarah Hoyt, “What if I Told You?”, According to Hoyt, 2019-11-05.

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