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Search found 33 matches

by skyewright
Tue 02 Feb 2010 9:41 am
Forum: Web site - General
Topic: Ordnance Survey Mapping & Cumulus
Replies: 4
Views: 1454

Re: Ordnance Survey Mapping & Cumulus

Re: permissions etc, you are of course quite right Kevin. There may well be other issues too, like for instance Steve might not wish to have the software associated with the project etc etc. I'm satisfied that it can be done in part at least. I may well be asking for a few volunteers in the near fu...
by skyewright
Fri 08 Jan 2010 5:34 pm
Forum: Weather
Topic: Gosh, it's cold!
Replies: 22
Views: 4057

Re: Gosh, it's cold!

Hi Ray, I Appear to be "getting away Lightly" up here in Fleetwood ..............Check my banner .only -3 here now & Very very litle snow at all !!! Maybe it's the influence of the sea? We have a moderate covering of snow but last night at -4C was still was our coldest so far. A big factor is proba...
by skyewright
Thu 24 Dec 2009 1:51 pm
Forum: General
Topic: Anyone know who this is?
Replies: 34
Views: 5452

Re: Anyone know who this is?

steve wrote:...and the answer needs to somehow be a number to complete the chapter and verse ;)
A random thought...

If we are looking for a number, are we maybe looking for a name that can be seen as a roman numeral, say maybe a Vi(vienne) => VI => 6?
by skyewright
Tue 15 Dec 2009 9:41 am
Forum: Fine Offset/EasyWeather
Topic: Rain gauge stopped working
Replies: 10
Views: 2115

Re: Rain gauge stopped working

The danger is that mounting the rain gauge ON the flat roof (with the existing cable) the parapet might protect the gauge if the wind is in the wrong direction. Depending on how far from the parapet you can get the gauge that might not be such a bad thing. Obviously you want to avoid an actual "sha...
by skyewright
Sat 28 Nov 2009 9:47 pm
Forum: General
Topic: Interference on 433Mhz ?
Replies: 20
Views: 8302

Re: Interference on 433Mhz ?

I have an Oregon WMR928 with 3 extra sensors. I have WMR928 and 6[1] extra sensors and a WMR200, all operating on 433MHz. Anyone had any similar experience with non weather station equipment? I have a power monitor issued by our electricity supplier. It is a 433MHz device. I've never been able to g...
by skyewright
Wed 02 Sep 2009 2:54 pm
Forum: General
Topic: Davis VP2 - add ons
Replies: 78
Views: 10424

Re: Davis VP2 - add ons

Check my calculation You have the answer from Steve, but you might like to know that Google has a handy calculator for this sort of thing. If you type 53.456 cu in in l into a google search you'll get the answer 0.875986893 litres . It works for all sorts of units, with the general form <value> <un...
by skyewright
Sat 29 Aug 2009 8:51 pm
Forum: Cumulus 1
Topic: wind speed correction
Replies: 15
Views: 2819

Re: wind speed correction

Ah, well, good question. I am told that the Met Office say that you should report your average wind speed using the height adjustment, but gusts should be reported as read. I can't actually find this in my Observer's Handbook. It is a very old copy, however. At this page I found " At stations where...
by skyewright
Fri 28 Aug 2009 9:20 am
Forum: Fine Offset/EasyWeather
Topic: Gale days settings ?
Replies: 16
Views: 2576

Re: Gale days settings ?

I can see why u get the very high winds. Most of the houses here have been around a long time and were built to withstand the weather. There's very little damage anywhere after a storm. I can attest to the sense behind the Scottish building regulations that require 'sarking' (a layer of boards that...
by skyewright
Thu 06 Aug 2009 2:13 pm
Forum: General
Topic: details on converting the wind bearing
Replies: 7
Views: 4458

Re: details on converting the wind bearing

In addition to steve's code, Wikipedia's Boxing the compass page outlines an algorithm for converting degrees to a compass point. Actually, there's a bug in that algorithm. Try it for 359 degrees. I presume they just forgot to mention that because the whole thing "wraps around", 32 should be consid...
by skyewright
Wed 05 Aug 2009 8:45 pm
Forum: General
Topic: details on converting the wind bearing
Replies: 7
Views: 4458

Re: details on converting the wind bearing

In addition to steve's code, Wikipedia's Boxing the compass page outlines an algorithm for converting degrees to a compass point.
by skyewright
Tue 16 Jun 2009 4:19 pm
Forum: Homebuilt
Topic: Sunshine Recorder
Replies: 438
Views: 111818

Re: Sunshine Recorder

If you can work out a way to interface it to a PC, I'd certainly consider adding support for it to Cumulus. I'd also be tempted to build one myself - somewhat cheaper than the £250 for the Davis add-on for the VP2! I'd want a wireless connection, though ;) I've not tried it myself, but what some pe...
by skyewright
Sat 02 May 2009 9:00 pm
Forum: Fine Offset/EasyWeather
Topic: Sunshine recorder
Replies: 5
Views: 1696

Re: Sunshine recorder

I don't know how you would get a sunshine recorder to work with Cumulus. 'Temp in a jar' (i.e. a temp sensor placed in a small glass jar in an open position) can be a quite effective solar tool, especially if it is just a matter of sunshine hours. The software would need to be able to calculate the...
by skyewright
Mon 30 Mar 2009 10:50 am
Forum: General
Topic: How accurate is the WH1081 anemometer?
Replies: 4
Views: 1673

Re: How accurate is the WH1081 anemometer?

skyewright wrote:I remember seeing, but can't currently find, an interesting topic on another Forum that included some analysis of the impact of different sampling periods.
Here's the topic I was thinking of.
The message with the analysis of sampling periods is about halfway down the second page.
by skyewright
Mon 30 Mar 2009 9:21 am
Forum: General
Topic: How accurate is the WH1081 anemometer?
Replies: 4
Views: 1673

Re: How accurate is the WH1081 anemometer?

It's only about 4 metres above ground level, but there are no obstructions. I live on a smallholding and it's situated above a hedge between two fields well away from the house. I use a WMR200, but with that, when I raised my anemometer from ~2.5m to ~5.5m I estimate that it increased gust measurem...
by skyewright
Sun 29 Mar 2009 8:29 pm
Forum: General
Topic: How accurate is the WH1081 anemometer?
Replies: 4
Views: 1673

Re: How accurate is the WH1081 anemometer?

BTW, the pole it's mounted on is exactly vertical and the anemometer spins freely. How high? Any obstructions anywhere near? Official anemometers are usually mounted on 10m masts and well clear of any obstructions (and probably sample over a shorter period -I'm not sure what period the WH1081 uses?).