[gps-talkusers] e: Re: Possible Bug

Hi skott i am not a new user of the braille note. I am wondering if i would need the gps do you think I need It Skott? Drew 


----- Original Message -----
From: "Scott Granados" <gsgranados@xxxxxxxxxxx
To: <gps-talkusers@xxxxxxxxxxxxx
Date sent: Sat, 10 May 2008 18:53:15 -0700
Subject: [gps-talkusers] Re: Possible Bug
Also don't forget, as I think Charles mentioned some time
ago, GPS has less resolution than the readings in your car. Everything GPS is broken in to one second blocks where the dials are hard wired so the dials will show micro speed changes more accurately. GPS is more accurarte when you're dealing with a constant rate of direction and speed. 


 ----- Original Message -----
 From: PghJohn11@xxxxxxx
 To: gps-talkusers@xxxxxxxxxxxxx
 Sent: Saturday, May 10, 2008 5:17 PM
 Subject: [gps-talkusers] Re: Possible Bug




 Is Richard a bug?
In a message dated 5/10/2008 6:08:58 P.M. Eastern 
Daylight Time, rich.irwin@xxxxxxxxxxx writes:

   Hey Richard, haven't seen you since our Mexico Cruise.
Regarding this speed difference, our GPS systems should 
be much more
reliable than any car speedometer. The speedometer 
could be off for many
reasons such as transmission and rear end gear ratio or 
tire size and

   pressure.



   Rich Irwin
   rich.irwin@xxxxxxxxxxx
   -----Original Message-----
   From: gps-talkusers-bounce@xxxxxxxxxxxxx
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of 
Richard Bartholomew

   Sent: Friday, May 09, 2008 11:28 PM
   To: gps-talkusers@xxxxxxxxxxxxx
   Subject: [gps-talkusers] Re: Possible Bug
I, too, have noticed the difference in reported speeds 
between a speedometer
and the GPS - all versions of the GPS since, 2, I think 
and across
receivers. However, I have put this down to the fact 
that I've been told
that car speedos are intentionally set slightly higher 
than actual speed in

   an effort to curb speeding!
Possibly not true, I suppose, but I like the sound of 
it!


   Regards



   Richard Bartholomew
   E-Mail:  richard_bartholomew@xxxxxxxxxxxxxxxx



   ----- Original Message -----
   From: "Alex Hall" <mehgcap@xxxxxxx
   To: <gps-talkusers@xxxxxxxxxxxxx
   Sent: Friday, May 09, 2008 2:05 AM
   Subject: [gps-talkusers] Re: Possible Bug
Actually, I have found this too as of v4 with a blue 
logger.  In lower
versions with the same receiver and bn it reported fine, 
but now,
especially while walking (as opposed to moving in a 
vehicle) it seems much
faster than it used to; my normal walking speed was around 
2 mph or so and
now it is normally around 3-3.8 even though I walk the 
same.  This happens
with all types of coverage and, as I said, with v4 (sorry 
Sendero, but my

money goes to keysoft first--v4 is good enough for me).



Have a great day,
Alex



----- Original Message -----
From: Kevin Chao <kevinchao89@xxxxxxxxx
To: <gps-talkusers@xxxxxxxxxxxxx
Date sent: Thu, 8 May 2008 17:32:17 -0700
Subject: [gps-talkusers] Re: Possible Bug



Jeff,
So, you are running the latest,Sendero GPS 4.22 and are 
noticing

that it
seems to report the speed information 2-2.5 MPH below the 
actual

speed? I

would seem about obtaining a Holux M-1000, the latest and

greatest supported
receiver and see if this issue is still occuring. The 
only

thing that i
can think of is the timing of iether the key press of for 
the GPS

to capture

your speed is about a second off.



Most of the time, I have found the speed reported from a

speedometer and the

Sendero GPS are insync.



Kevin



-----Original Message-----
From: gps-talkusers-bounce@xxxxxxxxxxxxx
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of 
Jeff

Molzow

Sent: Thursday, May 08, 2008 12:13 PM
To: gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] Possible Bug



Hello All:
This is not a major bug, but thought I'd put it out there. 
I

thought for a

while that it was either my receiver or VoiceNote, but I'm

getting

consistent speed differences when driving at highway speed

between the
Sendero and 2 other tested GPS's and almost ANY speedometer. 
In

all cases,

I'm almost exactly 2 to 2.5 mph slower then their measured

speeds.  If they

are traveling 70 mph, the Sendero will show 68 mph.  I don't

remember this
error being present in earlier releases. In the grand 
scheme of

things, not

a huge difference and at walking speed, probably error is

non-existent,
however I wanted to see if others are finding similar 
results.
For the record, I've tried this on a GPSlim236, the blue 
logger,

and the

old Magellan (I think).  The one with the serial cable and 2

double A
batteries. I've also just gotten the motherboard replaced 
in my

VoiceNote QT
so I don't think it's the bluetooth stack. I compared my 
speed

reading
between both a Garmin and Magellan car mounted GPS and have 
found

similar
test differences between myself and those, and just about 
every

speedometer

I've tested against.



Just Curious
Jeff




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