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Topics - BKSLDR7

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Using The Maps/Garmin Software / Installing Maps-Mac
« on: May 01, 2012, 01:13:10 PM »
Can one have more than one .img file on a microcard or GPSr(Nuvi 855)
with different names and still select maps from either?

Using The Maps/Garmin Software / MAP INSTALL
« on: May 01, 2012, 12:25:55 PM »
I'm trying to install multiple maps on a Mac on a microcard in a reader.
I keep gettting a message that doesn't make sense regarding
space on the card.  What's going on?

"map set is approximately 2048.9 MB, but only 3296.5 MB is available in the destination."

« on: April 27, 2012, 06:44:28 PM »
Why is the topographic information missing in the
area of Mt. Rose and Tahoe Meadows on the Nevada
custom topo map from this site?

Map Making Support / Adding select USFS data to maps
« on: July 30, 2009, 02:26:19 PM »
Recently, I was hiking cross country in the Sierras
near US 50.  I came across some old logging/jeep roads
but they were not on my GPSFileDepot California TOPO
OR on my USGS topo map.  It would have helped a lot
if they had been.  I noticed that the TAHOE Regional map
that I had at home has all the USFS roads including the ones
that I came across. 

How do I get this info on the
GPSFileDepot California TOPO?

« on: July 28, 2009, 08:02:53 AM »
I just thought that I would post my recent experience using a
Nuvi 855(mainly made for automobile navigation) for extended hiking. 
I recently bought the 855 because
of it's huge screen. Knowing that the battery life was only about
4 hours,  I bought an extra battery.  Here are some of my observations
after two 13+ mile day hikes in the Sierras of California.  I ran tracklogs
continuously but kept the screen dimmed to 20% and locked except when
reading the unit.
1) 3-1/2 hours was about max on a battery.
2) in walk mode tracklog waypoints are about 15 seconds apart (that interval
is not really necessary-30 seconds would be just as useful)
3) Nuvi warns visibly and with audio when battery life is low
4) two batteries are not enough for 8-11 hours of hiking if tracklog is run
continuously- 3-4 are necessary.  If one only brings the 855 out of sleep mode
for occasional position checks with no tracklog then 2 batteries might suffice
for a long day of hiking.  BEWARE-BATTERIES ALWAYS DIE AT THE WORST TIME!  :-)
5) Even the large screen is not easy to use for cross country travel if trying to
decipher detailed topo data. 
6) Preloaded waypoints are really helpful
7) Transferring a lat/long position on a GPSr to a printed TOPO map in the field
is not easy or quick and wastes battery time.  It works much better to preload
waypoints into the GPSr and print them on the printed TOPO map.

I'm still glad that I bought the 855 but I prefer printed maps as my primary
navigation aid, especially for cross country travel.

General Discussion / CALIFORNIA TOPO KUDO
« on: July 15, 2009, 07:54:00 PM »
I want to thank you again for what you do.  I finally got my microSD card and reader for my new
Garmin 855 and installed the California Topo for my upcoming hikes next week.  I'm so pleased with it
that I had to let you know.  The resolution is superb!

GPSr Units / loading Maps on NUVI
« on: July 07, 2009, 08:52:22 AM »
My understanding is that all maps have to be loaded at once to get multiple
maps on the GPSr or external card.  Does loading topo maps overwrite the installed road maps
that come with the unit or just any additional non-Garmin maps that might be
on the unit as .img files?

GPSr Units / NUVI Trip Log -NUVI 855
« on: July 07, 2009, 08:41:19 AM »
Does the trip log collect data when the Nuvi is in sleep mode?  I tried the trip log while walking with the NUVI in sleep mode(screen blanked but GPSr still on-855 does not turn off) but when I selected show trip log in MAP INFO no track showed in the area I had been.  Do I have to take it out of sleep mode to get the trip log to record?

Also, tried to download tracks with Road Trip but it said that there was no track or waypoint data to download. There should be at least a couple of Favorites in the NUVI that should download as waypoints.


GPSr Units / Waypoint/GPX file
« on: July 05, 2009, 12:31:57 PM »
I'm new to GPS. I'm working on a MAC. I downloaded waypoints from my 855 to NG TOPO. That added the four original waypoints in my GPS to the TOPO map.  I then uploaded selected waypoints from NG TOPO to my Garmin 855. But it uploaded all the waypoints instead of only the one I selected and replaced the GPX file with the new file from TOPO.  Now I have the original 4 waypoints + 118 others.  How do I get rid of them keeping only the original 4? Doing it on the 855 I have to delete them one at a time- not fun!

I can look at the GPX file with a text editor.  Can I just delete waypoints in the text editor making sure to observe the formatting and save the file back to the Garmin GPX folder with the .gpx file suffix?

part of the file in text editor-
<?xml version="1.0" encoding="UTF-8"?>
<gpx xmlns="http://www.topografix.com/GPX/1/1" version="1.1"
     creator="TOPO! 4.x http://maps.nationalgeographic.com/topo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
        <bounds minlat="25.0617840290070" minlon="-124.0618549585342" maxlat="50.9017009735107" maxlon="121.6402679681778"/>
    <wpt lat="38.9376826286316" lon="-120.1015055179596">
    <wpt lat="38.9321874380112" lon="-120.1054697036743">
    <wpt lat="38.9271583557129" lon="-120.1080626249313">

GPSr Units / Nuvi 5000
« on: June 21, 2009, 06:35:48 AM »
Does anyone use this model outside of a car?  If so,
what do you use for a power source? (requires external power only-no battery)

GPSr Units / NUVI 5000 vs 855
« on: June 21, 2009, 06:33:49 AM »
Do both units allow recording of tracks(breadcrumbs)?

GPSr Units / Photo Geotags with Nuvi series
« on: May 21, 2009, 10:36:21 AM »
Can a Nuvi series (350 or 855) be used to geotag photos?  I know that one can save a location as a coordinate with a Nuvi but I don't think that it has a tracklog function as such.

GPSr Units / Screen size
« on: May 21, 2009, 09:42:16 AM »
The reason I use my Nuvi 350 for trails
and the reason I'm considering a Nuvi 855
is that it is an excellent automobile GPS
AND the screen is nice a big, 3.8"x2.25".

Is there another Garmin more suitable for
trails that has a screen that big or close to it?

GPSr Units / Garmin 855
« on: May 21, 2009, 09:36:51 AM »
Costco has a Garmin 855 for $300 right now.
Can I load topo maps from this site on it from a
Macintosh?  If so, how?

I have used my Nuvi 350, purchased for automobile
navigation, on the trail with a printed topo map and a
few waypoints loaded as Lat/long coordinates for quick
position checks.  I only use it sparingly and keep it
turned off when not in use.  It would be nice to have
a topo map loaded with the waypoints and route over-

Using The Maps/Garmin Software / Macintosh compatible Map loading
« on: May 21, 2009, 09:31:17 AM »
Is there Mac software somewhere that will do what
Mapsource does, ie. load maps from this site on a

I use National Geopgraphic TOPO State software
to generate waypoint and route info.  Is there software
to combine that data with maps from this site and
load it from a Mac into a Garmin unit?

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