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Search took 0.88 seconds. Search: Posts made by: John Dann
Forum: uk.sci.weather (UK Weather) May 10th 18, 02:49 PM
Replies: 19
Views: 1,181
Posted By John Dann
Arctic Ocean begins the melt season with record low amount ofmulti-year ice

FWIW 2018 seems to be tracking 2016 quite closely ATM, though not quite
as low as 2016.
Forum: uk.sci.weather (UK Weather) April 23rd 18, 04:44 PM
Replies: 22
Views: 1,147
Posted By John Dann
Cambell-Stokes sun recorder?

On 23/04/2018 12:43, Keith Harris wrote:
So it is true what Ole said, and the algarithm seems correct based on
the WMO definition of 120W/m2, which is very old...

I'm not sure that the age of the...
Forum: uk.sci.weather (UK Weather) April 23rd 18, 11:22 AM
Replies: 22
Views: 1,147
Posted By John Dann
Cambell-Stokes sun recorder?

On 23/04/2018 10:24, Nick Gardner wrote:

The BL uses a simple solar irradiation measurement coupled with a
quite clever software code to determine a sunshine/no sunshine
output.


Are...
Forum: uk.sci.weather (UK Weather) October 3rd 09, 08:08 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

On Sat, 3 Oct 2009 10:21:19 +1300, "Malone"
wrote:

The obvious approach to this is to ask Davis for their help, but after several messages to I have...
Forum: uk.sci.weather (UK Weather) October 2nd 09, 09:55 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

On Fri, 02 Oct 2009 09:34:02 +0100 (BST), "Dave Liquorice"
wrote:

How is the time stored in the file?

Quite simplistically: The individual records do not have an...
Forum: uk.sci.weather (UK Weather) October 2nd 09, 08:55 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

On Fri, 2 Oct 2009 08:26:23 +1300, in uk.sci.weather you wrote:

Sorry about that John - yes, that file does seem to have become corrupted in some way. I've uploaded it again to...
Forum: uk.sci.weather (UK Weather) October 1st 09, 07:41 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

On Thu, 1 Oct 2009 18:30:34 +1300, "Malone"
wrote:

I'd be very grateful if you could see whether you can export midnight readings from www.sr.net.nz/2009-09.wlk . My...
Forum: uk.sci.weather (UK Weather) September 30th 09, 08:43 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

Not sure it's going to help much, but I've just tried exporting Sept
09 under WL590 running under Vista Business SP2 and the midnight
records are there in the export text file.Does look like a quirk...
Forum: uk.sci.weather (UK Weather) September 29th 09, 07:59 AM
Replies: 20
Views: 1,124
Posted By John Dann
Davis Weatherlink export problem

On Tue, 29 Sep 2009 10:40:20 +1300, "Malone"
wrote:

Selecting either 00:00 or 24:00 as the midnight record makes no difference. The list of readings goes straight from...
Forum: uk.sci.weather (UK Weather) September 25th 09, 09:36 AM
Replies: 15
Views: 947
Posted By John Dann
Northerly plunge next week

On Fri, 25 Sep 2009 08:47:53 +0100, "Will Hand"
wrote:
Put simply - chaos in action!

If I might be permitted a small hobby-horse aside here, I do wish this
word chaos...
Forum: uk.sci.weather (UK Weather) September 23rd 09, 10:49 AM
Replies: 5
Views: 197
Posted By John Dann
Davis Vantage Vue

OK, first UK stocks of the Vantage Vue are now available.

John Dann
www.weatherstations.co.uk
Forum: uk.sci.weather (UK Weather) September 22nd 09, 10:03 AM
Replies: 14
Views: 737
Posted By John Dann
Antarctic Ice

On Tue, 22 Sep 2009 01:11:10 -0700 (PDT), Dawlish
wrote:

I doubt whether it is more
than 1SD away from the mean and it is certainly not 2SD, which would
include 95% of the...
Forum: uk.sci.weather (UK Weather) September 22nd 09, 08:31 AM
Replies: 14
Views: 737
Posted By John Dann
Antarctic Ice

On Tue, 22 Sep 2009 08:24:38 +0100, Brian Wakem wrote:

Must be close to modern-day high?

What that graph doesn't give you though is any sense of year-to-year
variance, which I...
Forum: uk.sci.weather (UK Weather) September 19th 09, 10:49 AM
Replies: 5
Views: 197
Posted By John Dann
Davis Vantage Vue

An update: We are expecting our first Vantage Vue stock within the
next 7-10 days (it's on its way from the factory in California). We
also have the new Davis catalogue which contains Vue details,...
Forum: uk.sci.weather (UK Weather) September 14th 09, 03:46 PM
Replies: 10
Views: 409
Posted By John Dann
North east passage

El Reg is in on the act too, but with an interestingly different
slant:

www.theregister.co.uk/2009/09/14/north_eastern_passage/

The headlines give you a flavour:

'Media 're-open' North Eastern...
Forum: uk.sci.weather (UK Weather) September 6th 09, 06:43 PM
Replies: 26
Views: 1,135
Posted By John Dann
Discuss

On Sun, 6 Sep 2009 18:46:12 +0100, "Lawrence Jenkins"
wrote:

Is that better?

Hugely - thanks ;-)

JGD
Forum: uk.sci.weather (UK Weather) September 6th 09, 06:33 PM
Replies: 26
Views: 1,135
Posted By John Dann
Discuss

On Sun, 6 Sep 2009 17:27:10 +0100, Stewart Robert Hinsley
wrote:

In message , Lawrence
Jenkins ...
Forum: uk.sci.weather (UK Weather) August 21st 09, 09:24 AM
Replies: 5
Views: 197
Posted By John Dann
Davis Vantage Vue

The Vue frequencies will be exactly the same as for the VP2 and so the
legal position continues as for VP2.

The US models use quite a wide chunk of frequencies from 902 - 928MHz,
which IIRC...
Forum: uk.sci.weather (UK Weather) August 21st 09, 07:52 AM
Replies: 5
Views: 197
Posted By John Dann
Davis Vantage Vue

I did post a couple of other Vue pictures to another forum a few days
back at:

http://www.weather-watch.com/smf/index.php/topic,39505.msg337846.html#msg337846

The Vue is very much a simpler and...
Forum: uk.sci.weather (UK Weather) August 4th 09, 09:01 AM
Replies: 19
Views: 659
Posted By John Dann
[OBS] Evershot, WDorset -- Sat 01/08/09

On Tue, 04 Aug 2009 08:34:55 +0100, Hugh Newbury
wrote:
One has to wonder why the tipping
bucket has been thought worth keeping for so long ( a century or...
Forum: uk.sci.weather (UK Weather) August 3rd 09, 12:43 PM
Replies: 19
Views: 659
Posted By John Dann
[OBS] Evershot, WDorset -- Sat 01/08/09

TBH I'm really not convinced that any amount of tinkering is going to
change things much. I'd be much more inclined to look at a way of
getting your VP2 rain gauge down on to the ground.

There are...
Forum: uk.sci.weather (UK Weather) August 2nd 09, 09:24 PM
Replies: 19
Views: 659
Posted By John Dann
[OBS] Evershot, WDorset -- Sat 01/08/09

On Sun, 02 Aug 2009 21:17:24 +0100, Hugh Newbury
wrote:

Martin, It occurs to me that maybe the answer might be to restrict the
outlet from the AWS to its tipping...
Forum: uk.sci.weather (UK Weather) August 2nd 09, 05:30 PM
Replies: 19
Views: 659
Posted By John Dann
[OBS] Evershot, WDorset -- Sat 01/08/09

In case it's of any interest, there's a publicly-viewable section on
VP/VP2 rain gauge calibration and faults on a page in our VP
knowledgebase. See:

http://vp-kb.wikispaces.com/Sensor+Errors3

I'll...
Forum: uk.sci.weather (UK Weather) July 20th 09, 09:51 PM
Replies: 5
Views: 206
Posted By John Dann
Replacing VP2 lost data

There's a third-party utility that might help you out. See:

http://www.ruysfamily.com/WLKReaderWriter/WLKAppDownload.html

I've never tried this myself so a little caution would be wise until
you've...
Forum: uk.sci.weather (UK Weather) July 8th 09, 10:08 AM
Replies: 3
Views: 321
Posted By John Dann
Help Calculating Solar Irradation - 1hr Max (COL Report)

On Wed, 8 Jul 2009 00:28:00 -0700 (PDT), Paul Crabtree
wrote:

Hopefully John will pick up on the message and be able to help regards
his software which is producing...
Showing results 1 to 25 of 383
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