Re: for photography
- From: "Dave Pyles" <dave7pyles@xxxxxxxxxxx>
- Date: Tue, 21 Jun 2005 16:24:47 -0700
The accuracy of civilian GPS is similar for most receivers, what does vary
more is the sensitivity and ability to sort out multipath. The new SIRF III
chip used in some newer bluetooth receivers is substantially more sensitive
than about anything else out there. Some specs at
http://www.gpspassion.com/fr/articles.asp?id=143&page=2 - my Globalsat
BT-338 gets 10 satellites inside my house, and the battery lasts 15 hours.
These bluetooth receivers will work with any Bluetooth capable PDA or
laptop. I would also recommend Maptech Terrain Navigator (laptop) and Pocket
Navigator (PDA) with USGS Topo maps. You could create a Mark at the points
that you take your photos, save info with the Mark, and download it for use
elsewhere. Memory-Map Navigator uses the same maps, but works with VGA, it
is pretty much the same as Pocket Navigator, and uses the same maps.
"xyz" <wildepuzzles@xxxxxxx> wrote in message
news:qga3b15616k2nelru0hbenntlf5b2gktvh@xxxxxxxxxx
> Hi there,
> I'm new to this group, so please bear with me if I'm
> repeating a common thread.
>
> I'm a professional photographer and have been looking at the idea of
> using a GPS unit to record locations of various places I take
> landscape photo's, especially in the wilderness. Too often I have
> taken a photo somewhere or other and had a hell of a time locating the
> site again for follow-up photography (for example, to improve
> composition or light on a picture I wasn't completely satisfied with.
>
> It would thus be a boon to me if I could take a hand-held GPS unit
> with my in my camera backpack to note down the exact location for
> future reference.
>
> Two key points to the kind of unit I need are the following -
>
> 1) Extreme accuracy. What little I have found out about modern units
> is that those with WAAS capability can narrow the level of accuracy
> down to within a few feet. This would obviously be handy for me in
> trying to relocate an exact site, saving me the trouble of walking
> around with a camera stuck to my face trying to find find the same
> field of view! It could be something as simple as trying to find a
> certain clump of flowers that worked wonderfully as foreground
> material to a scenic background or highlight.
>
> 2) Reliablity of the unit. Because my landscape photography often
> tends to take me into more secluded areas of wilderness, or areas
> where the surrounding geography or landscape may affect signal
> strength (Yosemite or the Sequoia forests, for example) I really need
> a unit that stands above the rest for it's ability receive and process
> signals reliably and accurately in testing surroundings.
>
> With all that said and done, would people on this forum like to
> venture their views on a suitable handheld that could do the job for
> me, or would at least come close? I don't mind paying out for a more
> expensive unit if it does the job for me.
>
> Thanks in advance.........Tim
.
- References:
- for photography
- From: xyz
- for photography
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