[Loadstone] swimming yet not swimming

Shawn Kirkpatrick shawn at loadstone-gps.com
Mon Jun 2 07:11:51 BST 2008


Wgs84 is the datum that the gps system uses. For the specifics check google 
or wikipedia. There is a setting to include the difference between the local 
datum and wgs84 or not but it depends on if your receiver sends this 
information. I'm not sure if the holux m1000 sends this or not.

On Mon, 2 Jun 2008, David W Wood wrote:

> Hi Shawn:
>
> Thanks for your reply.
>
> Please excuse my simplistic questions, but this is a completely new world to
> me.
>
> What is WGS-84?
> I use a Holux M1000 receiver.
> I think also that I found that within the Loadstone menu system that there
> is another way of setting altitude calculation - is this right, and if so
> what effect would this give?
>
>
> David W Wood
>
> GUILDFORD PHYSIOTHERAPY AND SPORTS CLINIC
> MATTHEWS HOUSE
> 85 EPSOM ROAD
> GUILDFORD
> SURREY GU1 3PA
>
> T: 01483 575876 (APPOINTMENTS)
>         302691 (ALL OTHER INQUIRIES)
>
> E: reception at guildfordphysio.net
> W: http://tinyurl.com/5wptcp
>
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> -----Original Message-----
> From: loadstone-bounces at loadstone-gps.com
> [mailto:loadstone-bounces at loadstone-gps.com] On Behalf Of Shawn Kirkpatrick
> Sent: Monday, June 02, 2008 6:51 AM
> To: loadstone at loadstone-gps.com
> Subject: Re: [Loadstone] swimming yet not swimming
>
> The altitude uses the wgs84 datum. This may be different from the datum for
> your area. Some receivers will give you the difference between the local
> datum and wgs84 and if so then loadstone will factor it in to the
> calculation.
>
> On Sun, 1 Jun 2008, David W Wood wrote:
>
>> Hi all:
>>
>> Just returned from our house by the sea which is about 15 feet above mean
>> sea level as per the datum in Falmouth, Cornwall, England.
>>
>> I was being told that my height ASL was ...
>> Minus 135 feet.
>>
>> How is this determined, and can I re-set it somehow?
>>
>>
>>
>> David W Wood
>>
>> GUILDFORD PHYSIOTHERAPY AND SPORTS CLINIC
>> MATTHEWS HOUSE
>> 85 EPSOM ROAD
>> GUILDFORD
>> SURREY GU1 3PA
>>
>> T: 01483 575876 (APPOINTMENTS)
>>         302691 (ALL OTHER INQUIRIES)
>>
>> E: reception at guildfordphysio.net
>> W: http://tinyurl.com/5wptcp
>>
>> ____________________
>> DISCLAIMER
>> The information contained in this e-mail is strictly confidential and is
>> intended solely for the individual/s to whom it is addressed. If you are
> not
>> the intended recipient or have received this e-mail in error please delete
>> it immediately.  Any disclosure including but not withstanding reading
>> copying or distribution of all or part of the information contained herein
>> is strictly prohibited and may be unlawful.  Although this email and any
>> attachments are believed to be free of any virus or any other defect which
>> might affect any computer or system on which they are received and/or
> opened
>> it is the responsibility of the recipient to ensure that they are virus
> free
>> and no responsibility is accepted by The Guildford Physiotherapy and
> Sports
>> Clinic for any loss or damage arising in any way from receipt or use
>> thereof.   Any opinions or advice contained in this email are not
>> necessarily those of The Guildford Physiotherapy and Sports Clinic or any
>> individual or individuals working or acting on its behalf.
>>
>> All prices shown are in pounds sterling and exclude VAT, Delivery and
>> Expense charges unless otherwise stated.
>>
>>
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>> 12:25
>>
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