[gps-talkusers] Re: my first trip with 4.0--not good

I heard you mention the Holux Slim
237 (Sirf III) GPS receiver. Can this be bought from Sendero?

Sharonda

On 7/29/07, James Malone <malone_j@xxxxxxxxxxx> wrote:
> Its Eudora.
> This is why I went to Outlook.
>
> -----Original Message-----
> From: gps-talkusers-bounce@xxxxxxxxxxxxx
> [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Charles LaPierre
> Sent: Sunday, July 29, 2007 8:19 PM
> To: gps-talkusers@xxxxxxxxxxxxx
> Subject: [gps-talkusers] Re: my first trip with 4.0--not good
>
> Sorry about the duplicate messages everyone, For some reason Eudora is being
> funny and putting into the To field two copies of gps-talkusers@xxxxxxxxxxxx
> when I sometimes reply to messages.  Its driving me nuts.  Has anyone else
> have this happen?
> I think my machine is possessed!
>
> Charles.
>
> At 08:12 PM 7/29/2007, you wrote:
> >Hi Alex, let me try to explain some issues you are encountering.
> >See below.
> >
> >At 06:27 PM 7/29/2007, Alex Parks wrote:
> >>Hi all,
> >>
> >>I just tried to walk a simple, half-mile route then come back.
> >>Because of the Blue Logger I had to create the route partway through,
> >>but as soon as I did I had "skipped 2 points along route".
> >>How could I since I had created the route not five seconds previous to
> >>that message?
> >
> >A possible reason why this may occur.
> >GPS does jump around and before you created the route your GPS position
> >could have been quite far from where you are, and therefor the starting
> >point you already passed and then the nearest point may be a
> >non-turning waypoint and therefore the next waypoint you are trying to
> >get to is the next turn at Waypoint #3.
> >
> >Waypoint 1 is the GPS location when you pressed create route, Waypoint
> >#2 is either going to be the next intersection ahead (if your GPS
> >location is less than 50 feet from the nearest street), or Waypoint #2
> >is going to be  the perpendicular bisection from the GPS location to a
> >point on the street which forms a 90 degree angle) (i.e. a straight
> >line from your GPS to the street) which will be a turning point on the
> >street and then Waypoint #3 will be the next intersection.
> >
> >So after the route is created then the system looks to see where your
> >new "current" location is along the route and will take distance
> >readings between yourself and WP1, WP2, WP3 etc.  and if you are closer
> >to WP3 then it will say skipped x number of waypoints.
> >
> >Sorry if that is confusing, but behind the scene that is what is going
> >on, the system is constantly looking to see if you are on route, which
> >waypoints you are closer to and if you never reach a specific one and
> >you are all of a sudden closer to a waypoint further down your route
> >that is when you will get the skipped x # of waypoints along your
> >route.  Unless you turn on "Force sequential route following"  Then it
> >won't skip waypoints.
> >
> >
> >>Anyway, all turns were announced very early and I kept getting
> >>sequences of messages like "Approaching xxx street in 250 ft."
> >>"Turn right on xxx street". "xxx street, 100 ft ahead". Why would it
> >>say I was approaching, tell me to turn, then tell me I had not even
> >>reached the street onto which it just told me to turn??? BTW, my
> >>accuracy through this little treck was between 25 and 54 ft (4-7
> >>satellites).
> >
> >Ok first it sounds like you also have Lookaround mode "Intersections"
> >turned on, this could be causing the duplicate messages about upcoming
> >intersections as well as the route announcements.
> >
> >The system will give you 2 messages, one announcing the "Approaching"
> >turn, and then when you get closer to the turn a "Turn Now" message.
> >These messages are should be announced ahead of time, to give you
> >enough time to prepare yourself for the upcoming turn.  With GPS error
> >and map error the last thing we want to do is for you to actually hit
> >the street, cross the street and then the system tells you "oh by the
> >way that was the street you were soposto turn on".
> >
> >The BlueLogger by the way isn't as accurate as the newer Holux Slim
> >237 (Sirf III) GPS receiver which is smaller, alot more accurate, and
> >has a very fast time to first fix (I usually get a GPS fix within about
> >15-20 seconds).
> >
> >>I love the new interface and bluetooth receiver handling. I love the
> >>new POI database and other updates to the maps. The routes and
> >>accuracy are quite bad, though. I will say they are not as bad as they
> >>were in 3.5, but it is like routes are planned from either your
> >>starting or ending point in a previous route or something and not from
> >>where you are at the time at which you create the route. I must just
> >>be lucky--I seem to always be the one with the bad experiences with
> >>these updates. <smile
> >
> >Alex this doesn't sound right, the system does pick your current GPS
> >location as the starting point (as long as you are in GPS mode.  If you
> >are in Virtual mode it will pick your Virtual location as the starting
> >point.
> >
> >Please send me a route in your opinion is "bad" and I will look to see
> >what the system did.  Also tell me what the route should have done
> >instead.  Also it may help to send me a "Replay" of your GPS when you
> >create the route so I can see what is going on.
> >
> >Thanks.
> >Charles.
> >
> >
> >>Have a great day,
> >>Alex
> >
> >Charles M. La Pierre CTO
> >Sendero Group, LLC
> >
> >Lat. 37 15' 25" N  Lon: 121 53' 04" W
> >
>
> Charles M. La Pierre CTO
> Sendero Group, LLC
>
> Lat. 37 15' 25" N  Lon: 121 53' 04" W
>
>
>
>


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