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GPS map display question

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General fitness, health and nutrition
Published
4 April 2004
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7 April 2004
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Mike
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  1. Hi all,

    I've been thinking about buying a GPS, but only recently
    starting looking at them in some detail. One thing I noticed
    when I started looking at the mapping ones is that many of
    the "sample screenshots" from places like
    globalpositioningsystems.co.uk only show maps that show
    basic info like roads. That said, they do show some GPSs
    showing propor topological info (like contour lines).

    My question - is this sort of detail dependant on the GPS
    maps you buy, or the GPS itself? If it's the maps, which GPS
    maps include actual topographic details for the UK?

    I guess I had this idea that if I got a GPS, I'd essentially
    have an electronic version of an OS map. I'm now thinking
    this isn't the case, but it'd be great if someone could tell
    me otherwise.

    cheers, Mike

  2. Mike said:

    My question - is this sort of detail dependant on the GPS
    maps you buy, or the GPS itself? If it's the maps, which
    GPS maps include actual topographic details for the UK?

    None as far as I'm aware, that's only in America. "Mapping"
    GPS units only show roads, coastline, lakes and a few
    rivers, they are no substitute for using a real map. In
    fact, from a walking point of view mapping GPS units are a
    waste of time, their only real use is for driving (or if
    cycling along roads). Non-mapping GPS units are just as good
    for walking, although it can sometimes be helpful to know
    where the nearest road is.

    Quoted message said:

    I guess I had this idea that if I got a GPS, I'd
    essentially have an electronic version of an OS map. I'm
    now thinking this isn't the case,

    Nope. At it's simplest it's a device which gives you a
    grid ref which tells you where you are on the map, but
    when used efficiently it's a device that can store
    hundreds of waypoints and routes to help you navigate
    around. You can input these by hand but it's very time
    consuming, far easier to do it via computer software. A
    good selection of waypoints makes GPS navigation a breeze
    and if you've planned them well you often don't need to
    look at the map at all.

    Rather than buying an expensive mapping GPS, it's more
    efficient to buy a non-mapping model and spend the money you
    save on some good computer software to go with it.

    Quoted message said:

    but it'd be great if someone could tell me otherwise.

    There is another option where you can link a GPS to a pocket
    computer running "moving map" software but the technology is
    still in it's early stages. They tend to be non-waterproof
    and the batteries don't last very long. Others here can tell
    you more about them.

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

  3. On 4/4/04 12:12 am, in article
    [email hidden], "Mike"

    Quoted message said:

    My question - is this sort of detail dependant on the GPS
    maps you buy, or the GPS itself? If it's the maps, which
    GPS maps include actual topographic details for the UK?

    Am in the same situation but spent a fair amount of time at
    the Outdoor Show yesterday understanding all of this.
    Magellan - with their Sport Trak Colour - can download OS
    maps. These show much of what you would expect on an OS map.
    How useable this is when you are on the mountain I'm not so
    sure but the display quality was better than I expected. At
    £240 this seemed to represent reasonable value for money.

    With the Garmin line you will probably have to look to the
    new (and very expensive) models which have colour screens.
    These screens are impressive although there are non in the
    shops at the moment and retailers told me at the show that
    they had heard that there were problems with the display!
    But, as yet, Garmin do not have access to OS data although
    they say that this is coming soon - they claimed they were
    working on translating OS data to Garmin format which seemed
    a bit odd to me.

    So - at the moment - I think you would need the colour
    display Magellan which does look reasonable value for money
    at the moment. Expect to pay another £100 for the OS CD data
    but you can probably buy this separately.

    I must admit I didn't find either company particularly
    helpful. I would have bought one but neither company could
    really tell me how to interface with a Mac - Magellan
    telling me that this wouldn't work. A bit of research shows
    me that there is a perfectly good piece of 3rd party
    software which works well. And Garmin weren't selling
    anything - but then they had no new models in the country!

    One obvious funny. I saw Cameron McNeish doing a
    presentation with a Mac laptop. Ah-ha I thought. So asked
    him whether he used a GPS (thought he might just know how to
    do it - there was no cyber café at the show). Of course, he
    didn't - 'I use a little bit of plastic called a compass'.

    Should have guessed at this response :-)

    --
    Andy Howell Birmingham, UK

  4. I think that none of the Garmin or Magellan mapping GPS
    receivers can download OS maps. Garmins accept only maps
    from their MapSource CDs and Magellans only maps from their
    MapSend CDs. If you really appreciate the beautiful 1:25k OS
    maps, the only way to use them is with MemoryMap Navigator
    for pocketPC (not Palm) and PC. Both versions come together.
    So, you need to connect a GPS receiver (mapping or non-
    mapping) to a pocketPC. We used it in SW England and it is
    really fantastic. But carrying two electronic devices when
    walking is not ideal. Solution: Choose a GPS receiver with a
    connector for an external antenna. With the external antenna
    ON your hat, you can leave the GPS receiver IN your pocket
    and you only have to carry the pocketPC. There are very good
    bags from AquaPac to protect the pocketPC against rain.
    Instead of a 'normal' GPS receiver, you can also use a GPS
    Mouse. This is a GPS receiver in a small housing, without
    screen or buttons. All alone, it can not do much, but
    connected to a pocketPC with the right software, it will
    give you GPS navigation with beautiful colour maps.

    Look around on our site and you will find a lot of ideas.

    Best regards

    --
    Andreas van Hooijdonk gps-practice-and-fun.comgps-practice-and-fun.com

    "Andy Howell" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    On 4/4/04 12:12 am, in article
    [email hidden], "Mike"

    Quoted message said:

    My question - is this sort of detail dependant on the
    GPS maps you buy, or the GPS itself? If it's the maps,
    which GPS maps include actual topographic details for
    the UK?

    Am in the same situation but spent a fair amount of
    time at the


    Outdoor Show

    Quoted message said:

    yesterday understanding all of this. Magellan - with their
    Sport Trak Colour - can download OS maps. These show much
    of what you would


    expect on

    Quoted message said:

    an OS map. How useable this is when you are on the
    mountain I'm not


    so sure

    Quoted message said:

    but the display quality was better than I expected. At
    £240 this


    seemed to

    Quoted message said:

    represent reasonable value for money.

    With the Garmin line you will probably have to look to the
    new (and


    very

    Quoted message said:

    expensive) models which have colour screens. These
    screens are


    impressive

    Quoted message said:

    although there are non in the shops at the moment and
    retailers told


    me at

    Quoted message said:

    the show that they had heard that there were problems
    with the


    display!

    Quoted message said:

    But, as yet, Garmin do not have access to OS data although
    they say


    that

    Quoted message said:

    this is coming soon - they claimed they were working on
    translating OS


    data

    Quoted message said:

    to Garmin format which seemed a bit odd to me.

    So - at the moment - I think you would need the
    colour display


    Magellan

    Quoted message said:

    which does look reasonable value for money at the moment.
    Expect to


    pay

    Quoted message said:

    another £100 for the OS CD data but you can probably
    buy this


    separately.

    Quoted message said:


    I must admit I didn't find either company particularly
    helpful. I


    would have

    Quoted message said:

    bought one but neither company could really tell me how to
    interface


    with a

    Quoted message said:

    Mac - Magellan telling me that this wouldn't work. A bit
    of research


    shows

    Quoted message said:

    me that there is a perfectly good piece of 3rd party
    software which


    works

    Quoted message said:

    well. And Garmin weren't selling anything - but then they
    had no new


    models

    Quoted message said:

    in the country!

    One obvious funny. I saw Cameron McNeish doing a
    presentation with a


    Mac

    Quoted message said:

    laptop. Ah-ha I thought. So asked him whether he used a
    GPS (thought


    he

    Quoted message said:

    might just know how to do it - there was no cyber café at
    the show).


    Of

    Quoted message said:

    course, he didn't - 'I use a little bit of plastic called
    a compass'.

    Should have guessed at this response :-)

    --
    Andy Howell Birmingham, UK

  5. Andy Howell said:
    Quoted message said:

    My question - is this sort of detail dependant on the GPS
    maps you buy, or the GPS itself? If it's the maps, which
    GPS maps include actual topographic details for the UK?

    Am in the same situation but spent a fair amount of time
    at the Outdoor Show yesterday understanding all of this.
    Magellan - with their Sport Trak Colour - can download
    OS maps.

    No they can't, at least not in the sense that we currently
    understand the phrase "downloading an OS map". GPS units use
    vector information whereas map downloads are bitmap files.
    GPS units can't load bitmaps.

    The SporTrak Color is no different to other mapping GPS
    units other than the fact that it shows info in different
    colours, but the info shown is basically just a roadmap. ht-
    tp://www.magellangps.com/en/products/product.asp?PRODID=918

    Are you sure you weren't confusing it with something else,
    like a pocket PC connected to a SporTrak? Programs like
    Anquet and MM run on Pocket PCs and can be run in
    conjunction with a GPS. This is the only method I currently
    know of which enables you to use OS mapping with a GPS.

    Quoted message said:

    These show much of what you would expect on an OS map.

    Much of? So not the same as an OS map then? It is
    theoretically possible that the unit could download vector
    OS data but I wasn't aware that the OS were licencing that
    data to GPS manufacturers. Perhaps this is a welcome new
    development? I hope so.

    Currently the only GPS topographical data available is for
    North America only, and can be used by all the Magellan map
    models, not just the SporTrak Color. magellangps-magellangps-
    .com/en/products/product.asp?PRODID=113

    Garmin also has 24k topo data, again for the US only. As you
    can see from the screenshots at the bottom of the page, what
    you see on the GPS screen is somewhat simpler than the full
    map that you see on the PC screen. Still excellent for a GPS
    though.
    garmin.comtopo24knp.jsp

    Quoted message said:

    How useable this is when you are on the mountain I'm not
    so sure but the display quality was better than I
    expected.

    Given that non-mapping GPS units are highly usable then it
    will undoubtedly be extremely useable. Any topographical
    data will be a big help.

    Quoted message said:

    At £240 this seemed to represent reasonable value
    for money.

    How cheap? GPS Warehouse lists it at £295 including VAT,
    reduced from an RRP of £375.
    gpsw.co.ukprod1368.html

    Quoted message said:

    With the Garmin line you will probably have to look to the
    new (and very expensive) models which have colour screens.
    These screens are impressive although there are non in the
    shops at the moment and retailers told me at the show that
    they had heard that there were problems with the display!

    Yes, they look great, first colour models with 256 colours.
    garmin.comgpsmap60cs

    Quoted message said:

    But, as yet, Garmin do not have access to OS data although
    they say that this is coming soon

    Really? Good news if this is true.

    Quoted message said:

    - they claimed they were working on translating OS data to
    Garmin format which seemed a bit odd to me.

    Not at all. It's vector data, not bitmap. All GPS
    manufacturers have their own format. The advantage of vector
    data is that it can be zoomed in and out without loss of
    resolution, unlike a bitmap which pixellates when you zoom
    in. The problem is that as you zoom out there's too much
    information on the screen so details have to be filtered
    out. So for example with a road map, if you zoom out you'd
    only be able to see the major roads, but if you zoom in
    you'd see all the side streets. They'd have to do the same
    with the topo data, when you zoom out they'd have to filter
    out contour lines, minor rivers etc. The maps need to be
    useable at all the different zoom levels.

    Quoted message said:

    So - at the moment - I think you would need the colour
    display Magellan which does look reasonable value for
    money at the moment. Expect to pay another £100 for the OS
    CD data but you can probably buy this separately.

    What? Only £100? For the whole UK? Only if the data is
    simplified considerably. The bitmap data from Anquet or MM
    costs at least double that.

    Quoted message said:

    I must admit I didn't find either company particularly
    helpful. I would have bought one but neither company could
    really tell me how to interface with a Mac - Magellan
    telling me that this wouldn't work.

    Computer support for GPS is actually quite limited. Lowrance
    won't work with Anquet for example. They only recently added
    support for Magellan. Garmin is the most widely supported.

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

  6. Quoted message said:
    Mike said:

    My question - is this sort of detail dependant on the
    GPS maps you buy, or the GPS itself? If it's the maps,
    which GPS maps include actual topographic details for
    the UK?

    Paul replied: There is another option where you can link a
    GPS to a pocket computer running "moving map" software but
    the technology is still in it's early stages. They tend to
    be non-waterproof and the batteries don't last very long.
    Others here can tell you more about them.

    I have had a Garmin for some time and have come to the
    conclusion that a paper map with the walking track marked
    on it together with the track uploaded into the Garmin
    provides everything I need to navigate walking routes.

    The method I use is to scan the portion of the OS 1:25000
    map I need, register this image into oziexplorer software,
    use oziexplorer to mark the track (with waypoints as well)
    then upload this into my Garmin.

    Then I print the map portion with the track marked on it
    from oziexplorer and put this into my waterproof map wallet.
    When out walking it is really easy to spot from the track
    display on the Garmin where I am on the map. If it becomes
    really tight, I can use the grid ref in the Garmin to pin
    point my location. So I have found a moving map isn't really
    necessary and therefore a pocket PC is unnecessary.

    Hope this helps.

    Regards

    David Taylor

  7. Andy Howell <[email hidden]> wrote

    Quoted message said:

    I saw Cameron McNeish doing a presentation with a Mac
    laptop. Ah-ha I thought. So asked him whether he used a
    GPS (thought he might just know how to do it - there was
    no cyber café at the show). Of course, he didn't - 'I use
    a little bit of plastic called a compass'.

    Should have guessed at this response :-)

    Yes, there's a certain amount of inverse snobbery with
    regard to GPS v magnetic compass. :-)

    This is the equivalent of having a calculator but working
    things out with a pencil and paper or mental arithmetic.
    Useful to be able to do it, when you have the time.

    I find that apart from planning and navigating a route you
    can have a lorra lorra fun with a GPS, such as plotting the
    track on a map when you get home and analysing both walks
    and car journeys. I very often do this to work out the best
    route from A to B, and see just how much more the 'fast'
    route by motorway costs in terms of distance, as against
    time saved.

    I used my Vista in conjunction with Mapsource Roads & Rec on
    Friday to find a tyre vulcanising company. I had the address
    on a busy Manchester main road, so I found it in Mapsource,
    plotted a waypoint there and a few others en route, and
    uploaded to the GPS. It made it much easier to pinpoint the
    place as I approached by car, just glancing at the screen as
    traffic permitted.

    I used the same method when visiting friends for the first
    time last Wednesday. They were surprised that I didn't need
    directions to get there......

    For walking I scan an OS 1:25,000 map and print out an A4
    section as required, complete with waypoints of the route
    and adjacent places of interest.

    I may buy the Anquet 1:25,000 CD for my favourite area if
    it can be uploaded into the GPS, but I'm still not clear
    whether this can be done, even after much discussion in
    the group.

    I bought the Mapping Vista in the USA for less than I paid
    for my non- mapping Summit in the UK.......

    To sum up my attitude: if you can afford a mapping GPS it
    can do everything the simple ones can, and much more.
    --
    Gordon

  8. Gordon said:
    Quoted message said:

    Of course, he didn't - 'I use a little bit of plastic
    called a compass'.

    Quoted message said:

    Yes, there's a certain amount of inverse snobbery with
    regard to GPS v magnetic compass. :-)

    Not only that but many people seem to be proud of their
    ignorance of modern technology. They might as well wear t-
    shirts proclaiming; "I'm a technophobe!"

    Quoted message said:

    This is the equivalent of having a calculator but working
    things out with a pencil and paper or mental arithmetic.
    Useful to be able to do it, when you have the time.

    But why would you want to?

    Quoted message said:

    I may buy the Anquet 1:25,000 CD for my favourite area if
    it can be uploaded into the GPS, but I'm still not clear
    whether this can be done, even after much discussion in
    the group.

    No, it can't.

    The latest Garmin models have 256 colour displays and look
    very nice. There's a new map model, the 60C and 60CS, and
    the 76 and 76S have been upgraded to 76C and 76CS (C
    standing for colour of course - the S models have barometer
    and electronic compass). I thought it was odd that the new
    model has a lower number but comparing the stats it seems
    that the 76 still has better features, so the top specified
    handheld model in the Garmin range is now the 76CS.

    Anyway, the point I'm coming to is that if Andy Howell is
    correct about Garmin converting OS data to Garmin format,
    then the best option may be to buy the 76CS and the Garmin
    OS CD when (if?) it becomes available.

    Or the SporTrak Color plus OS data CD if it really is
    available (or will be soon). I'd prefer the Garmin option
    because of the barometer & 10,000 track points.

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

  9. David Taylor said:

    I have had a Garmin for some time and have come to the
    conclusion that a paper map with the walking track marked
    on it together with the track uploaded into the Garmin
    provides everything I need to navigate walking routes.

    I find that just putting in a bunch of waypoints is
    sufficient to keep me navigationally happy, without
    bothering with a print of the route.

    Quoted message said:

    So I have found a moving map isn't really necessary and
    therefore a pocket PC is unnecessary.

    True. While a Pocket PC would be very nice it would also be
    a lot more hassle. The bottom line is that I don't go out
    walking to stare at my GPS all day, most of the time I just
    switch it on, stick it in a pouch and forget about it, only
    taking it out if I need to waymark a summit or other
    feature, or heaven forbid, if I actually need to do some
    navigation with it! ;-)

    While the compass vs. GPS argument is pretty daft, since the
    GPS is clearly superior, the GPS vs. GPS & Pocket PC
    argument isn't so daft. The latter may provide prettier
    pictures but doesn't give you any more functionality than a
    GPS on it's own. It mainly just looks prettier (although
    could be useful for micro navigation in complex terrain).

    The next step in GPS evolution is full colour topo maps in
    the GPS itself, which will be far less hassle than
    connecting it to a Pocket PC. I'll certainly be getting
    one of those. Although it may not do much more than a non-
    mapping GPS with waypoints and routes pre-loaded, it will
    still be just as useable even if you don't enter waypoints
    and routes in advance. (It should also be easy to add new
    waypoints by simply scrolling the map to the point you
    want to mark.)

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

  10. "Paul Saunders" <[email hidden]> wrote

    Quoted message said:
    Quoted message said:

    Yes, there's a certain amount of inverse snobbery with
    regard to GPS v magnetic compass. :-)

    Quoted message said:

    Not only that but many people seem to be proud of their
    ignorance of modern technology. They might as well wear
    t-shirts proclaiming; "I'm a technophobe!"

    Ah, come the revolution brother when civilization is
    in disarray and every Tesco's has long since been
    looted of it's supplies of batteries and boil in the
    bag ready meals...

  11. Mapsend Topo is now available for GB, at least they were
    selling it on the stand at the outdoor show.

    Jon

    "Paul Saunders" <[email hidden]> wrote in
    message "]news:[email hidden]...

    Quoted message said:
    Andy Howell said:
    Quoted message said:

    >


    Currently the only GPS topographical data available is for
    North America only, and can be used by all the Magellan
    map models, not just the SporTrak Color. magel-magel-
    langps.com/en/products/product.asp?PRODID=113

  12. "David Taylor" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I have had a Garmin for some time and have come to the
    conclusion that a paper map with the walking track marked
    on it together with the track uploaded into the Garmin
    provides everything I need to navigate walking routes.

    The method I use is to scan the portion of the OS 1:25000
    map I need, register this image into oziexplorer software,
    use oziexplorer to mark the track (with waypoints as well)
    then upload this into my Garmin.

    Then I print the map portion with the track marked on it
    from oziexplorer and put this into my waterproof map
    wallet. When out walking it is really easy to spot from
    the track display on the Garmin where I am on the map.


    If

    Quoted message said:

    it becomes really tight, I can use the grid ref in the
    Garmin to pin point my location. So I have found a moving
    map isn't really necessary and therefore a pocket PC is
    unnecessary.

    Hope this helps.

    Kind of similar here Dave, but I've invested in Memory Map.
    I make up the route on Memory Map, upload it to my GPS and
    print off the map. Normally this takes no more than 5
    minutes in total. Prior to getting my "missing disk" of a
    walking area, I did same as you but used GPSU and downloaded
    map off the web. Thankfully it was a small area......

    KRO

  13. Quoted message said:

    With the Garmin line you will probably have to look to the
    new (and very expensive) models which have colour screens.
    These screens are impressive although there are non in the
    shops at the moment and retailers told me at the show that
    they had heard that there were problems with the display!
    But, as yet, Garmin do not have access to OS data although
    they say that this is coming soon - they claimed they were
    working on translating OS data to Garmin format which
    seemed a bit odd to me.

    AIUI the Garmin GPSRs don't understand maps in a bitmap
    format. For this reason it's necessary for one piece of SW
    or another to translate the map data into the objects that
    are capable of being encoded in Garmins map file format.
    It's good to hear that Garmin are actually doing something
    about that, because the idea of having to laboriously
    trace every interesting feature from a 50k or 25k map by
    hand using a 3rd party piece of SW does not seem very
    attractive tstl.

    --
    Boo

  14. Magellan ARE using OS map data on their colour models - I
    was admiring it yesterday !!!

    --
    Andy Howell Birmingham, UK

  15. On 4/4/04 2:54 pm, in article [email hidden], "Paul

    Saunders said:

    Anyway, the point I'm coming to is that if Andy Howell is
    correct about Garmin converting OS data to Garmin format,
    then the best option may be to buy the 76CS and the Garmin
    OS CD when (if?) it becomes available.

    Or the SporTrak Color plus OS data CD if it really is
    available (or will be soon). I'd prefer the Garmin option
    because of the barometer & 10,000 track points.

    I would be a bit suspicious about Garmin and OS. Magellan
    were pushing the OS data link like mad at the Outdoor Show
    (not a bad marketing tool I guess). Garmin were telling
    everybody that they we working with OS and expected to be
    able to announce something soon! Mind you, they don't seem
    to have the 76CS in the Country at the moment. They were
    telling people who visited the stall to go and visit the
    Oswald Bailey stall if you wanted to buy them. The nice
    people at Oswald Bailey were going mad. Apparently they
    had £50K worth of kit on order and it hadn't appeared -
    they were convinced that the only 76CS in the country was
    on the Garmin Stand. Of course, everyone would have taken
    an order for you !

    The Sportrak does have a barometer!

    --
    Andy Howell Birmingham, UK

  16. doesn't have to be colour. I wanted to see the TOPO s/ware
    on a b/w device but they couldn't show me that. maybe it
    looks too [censored]!

    Jon

    "Andy Howell" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Magellan ARE using OS map data on their colour models - I
    was admiring it yesterday !!!

    --
    Andy Howell Birmingham, UK

  17. "Paul Saunders" <[email hidden]> wrote in message news:<[email hidden]>...

    Quoted message said:


    Anyway, the point I'm coming to is that if Andy Howell is
    correct about Garmin converting OS data to Garmin format,
    then the best option may be to buy the 76CS and the Garmin
    OS CD when (if?) it becomes available.

    Or the SporTrak Color plus OS data CD if it really is
    available (or will be soon). I'd prefer the Garmin option
    because of the barometer & 10,000 track points.

    Paul

    The Sportrak color has a barometer. However, it's used for
    pressure measurement (i.e. weather trends) rather than
    altitude. It also has a compass that doesn't have to be
    held flat.

    I'm fairly sure it doesn't have 10000 track points (maybe
    2500 ??), but all the Meridian models (including the
    Platinum, which also has a barometer) can save the current
    track to an SD card. This gives an extremely large track
    memory (256 Mbyte ..) provided you don't mind saving the
    track in segments.

    Magellan claim the OS mapping will be available on May 3rd.
    The maps have a good deal less content than the printed maps
    : in particular, they don't have buildings (because the OS
    digital map layer apparently doesn't distinguish isolated
    barns from urban sprawl, so the maps would be too cluttered
    if they were to be included). I also noticed a tendency for
    footpaths to fade away in places : apparently this is also a
    failing of the digital mapping supplied by the OS (which is
    not the same data from which Memory Map etc. is derived).
    They do have a height database though, which can generate
    either contours or path profiles.

    The OS has insisted that the software can only load a single
    64MB map image onto the GPS. I'm not sure how big that is,
    but it has to be a rectangular region and looks as though it
    might be something around the size of a county.

    -adrian

  18. "Andreas van Hooijdonk" <[email hidden] (NOZ)> wrote in message news:<[email hidden]>...

    Quoted message said:

    I think that none of the Garmin or Magellan mapping GPS
    receivers can download OS maps. Garmins accept only maps
    from their MapSource CDs and Magellans only maps from
    their MapSend CDs.

    Yes, but Mapsend maps will shortly be available with OS-
    derived data.

    Quoted message said:

    If you really appreciate the beautiful 1:25k OS maps,

    .. unfortunately , they're nowhere near as nice as
    1:25k OS maps.

    Quoted message said:

    the only way to use them is with MemoryMap Navigator for
    pocketPC (not Palm) and PC. Both versions come together.
    So, you need to connect a GPS receiver (mapping or non-
    mapping) to a pocketPC. We used it in SW England and it is
    really fantastic.

    I thought Memory map only had 1:25k maps for selected
    regions ?
    1:50k for everywhere, though. There is a company with all
    1:25k regions, but they cost 25 UKP per map (equivalent to
    1 OS sheet).

    Quoted message said:

    But carrying two electronic devices when walking is not
    ideal. Solution: Choose a GPS receiver with a connector
    for an external antenna. With the external antenna ON your
    hat, you can leave the GPS receiver IN your pocket and you
    only have to carry the pocketPC. There are very good bags
    from AquaPac to protect the pocketPC against rain. Instead
    of a 'normal' GPS receiver, you can also use a GPS Mouse.
    This is a GPS receiver in a small housing, without screen
    or buttons. All alone, it can not do much, but connected
    to a pocketPC with the right software, it will give you
    GPS navigation with beautiful colour maps.

    Fo a more convenient arrangement, you could use a pocket PC
    with bluetooth and an bluetooth GPS receiver (on your hat,
    or rucksack top pocket). This would put the GPS receiver
    exactly where you want it, and leave you with only one item
    to hold and no wires. However, battery life might be short.
    Bluetooth seems to cripple pocket PCs.

    -adrian

  19. Andy Howell said:

    Magellan ARE using OS map data on their colour models - I
    was admiring it yesterday !!!

    Well that's really good news. I must admit that I found it
    hard to believe at first.

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

  20. JRS said:

    doesn't have to be colour. I wanted to see the TOPO s/ware
    on a b/w device but they couldn't show me that. maybe it
    looks too [censored]!

    Bottom of the page.
    garmin.comtopo24knp.jsp

    Paul
    --
    wilderness-wales.co.ukwilderness-wales.co.uk
    wildwales.fsnet.co.ukwildwales.fsnet.co.uk
    photosig.comuserphotos

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