Re: The GPS zero meridian club

On 30/04/2014 20:19, Patrick Powers wrote: Hi Ian,   Exactly so, and it would be interesting to see what dials there were on such a whole number list.  But the snag in all this though is that the

Re: The GPS zero meridian club

Hi Ian, Exactly so, and it would be interesting to see what dials there were on such a whole number list. But the snag in all this though is that the definitions have all been changed. The arrival of satellite technology brought with it a global redefinition of the whole earth's ellipsoid and

Re: The GPS zero meridian club

On 30/04/2014 19:33, Brooke Clarke wrote: Hi Richard: Prior to GPS each country had their own datum, but if you want GPS to truly be Global then you need a common datum. There were other datums prior to the World Geodetic System of 1984 (WGS84, http://en.wikipedia.org/wiki/WGS84#Longitudes_o

Re: The GPS zero meridian club

Hi Richard: Prior to GPS each country had their own datum, but if you want GPS to truly be Global then you need a common datum. There were other datums prior to the World Geodetic System of 1984 (WGS84, http://en.wikipedia.org/wiki/WGS84#Longitudes_on_WGS_84) but it's the one that's the defaul

Re: The GPS zero meridian club

I wonder how well Google Earth matches up with this in terms of precision? Has anybody ever checked? Best, Jim Tallman www.spectrasundial.com www.artisanindustrials.com jtall...@artisanindustrials.com 513-253-5497 On Apr 30, 2014 1:57 PM, rmallett wrote: > > On 30/04/2014 17:37, Douglas Batema

Re: The GPS zero meridian club

On 30/04/2014 17:37, Douglas Bateman wrote: This is a new club consisting, so far, of two members: Frank King and myself. After the successful British Sundial Society conference, the Sunday morning was allocated to tours of the Greenwich Observatory. Quite independ

RE: The GPS zero meridian club

Hi Doug Well there's already a very similar web site confluence.org/ This is for people trying to stand on points of exact degrees intersecting (according to WGS84) I have stood on two such points 54. N 2. W (on a lonely bit of moorland above Skipton, UK.It's very boggy , be care

The GPS zero meridian club

This is a new club consisting, so far, of two members: Frank King and myself. After the successful British Sundial Society conference, the Sunday morning was allocated to tours of the Greenwich Observatory. Quite independently, Frank and I had the intention of location the WGS84 meridian, some 9

Re: an 18th-century blue-and-gold sundial

. . . and indeed a nice postcard of it can be purchased from BSS Sales!! John From: Roger W. Sinnott Sent: Wednesday, April 30, 2014 3:10 PM To: sundial@uni-koeln.de Subject: RE: an 18th-century blue-and-gold sundial The sundial is also pictured on page 25 of Mike Cowham’s excellent Sundials

RE: an 18th-century blue-and-gold sundial

The sundial is also pictured on page 25 of Mike Cowham’s excellent Sundials of the British Isles. Roger From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of John Davis Sent: Wednesday, April 30, 2014 9:18 AM To: Robert Terwilliger; sundial@uni-koeln.de Subject: Re: an 18

Re: an 18th-century blue-and-gold sundial

Hi Bob et al, Thanks for that - good to know the house is up for sale and that the sundial is a selling feature. I believe that the dial is the one which can be seen from the street and was described by Harriet James and me in: H. James & J. Davis: ‘A close look at a Salisbury dial’, BSS Bulleti

FW: an 18th-century blue-and-gold sundial

_ From: Andrew James [mailto:andrew.ja...@securetogether.co.uk] Sent: Wednesday, April 30, 2014 8:20 AM To: Robert Terwilliger Subject: RE: an 18th-century blue-and-gold sundial Bob Here is an image someone has taken of it: https://www.flickr.com/photos/christopherdpotts/9547

an 18th-century blue-and-gold sundial

An article in The New York Times April 29, 2014 Home With a Royal Connection, in Search of a Buyer A historic house in Sa