[Loadstone] visible satellites

David W Wood g3yxx at guildford-physio.demon.co.uk
Wed Jan 21 19:53:33 GMT 2009


Hi Kevin and Rob:
Thanks for the replies.

We didn't realise that there are 32 satellites in orbit!

I should also have said that I was using an M1000.

The veiled question, of course, was:
'is this a function of the software' or a hardware reality!!!!


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/FAX)

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 Kevin Chao
Sent: Wednesday, January 21, 2009 7:42 PM
To: loadstone at loadstone-gps.com
Subject: Re: [Loadstone] visible satellites

I have seen a number of times where I have come across 13 satellites and I
am not sure if it is an accurate or inaccurate reading based on the GPS
program and/or GPS receiver. I have seen this in both using the Holux M-1000
(32 channels) and I-Blue 737A+ (66 channels) but never saw it when using the
Holux GPSlim236 (20 channels). 

-----Original Message-----
From: loadstone-bounces at loadstone-gps.com
[mailto:loadstone-bounces at loadstone-gps.com] On Behalf Of David W Wood
Sent: Wednesday, January 21, 2009 11:33 AM
To: loadstone at loadstone-gps.com
Subject: [Loadstone] visible satellites

Hi all:

A conundrum for the academics.

I have just returned from a much needed holiday in a location of
28.5N 16.5W approximately.
Otherwise known as Tenerife.

The number of visible satellites was frequently reported to be 9 or 10,
occasionally even 11 and 12.

On one occasion, 13.

On my return I have spoken with a friend who derived the algorithms for the
Surrey University satellites to explain why 13, but we cannot conclude why
this high number.

The usual explanation is 12 per hemisphere, but in reality I believe them to
be 8 in three 120 degree out of phase orbits.

Can anyone elucidate?



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/FAX)

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.

Any prices shown are in pounds sterling and include VAT.
Delivery and Expense charges are excluded unless otherwise stated.



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