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Discussion Forum - Gear ! - Garmin wrist GPS


Author: Nic Arb
Posted: Tue 22nd May 2007, 9:48
Joined: 2005
Local Group: Kent
I have been extensively using the Garmin Foretrex 201 associated with Anquet digital maps for 18 months and am very happy with the result. Any specific question, just ask, I'll do my best to help.
Author: Garfield & Helen Southall
Posted: Wed 9th May 2007, 10:50
Joined: 1991
Local Group: Merseystride
I'm poised to make a move on one of these devices but really need to know which ones can display your current position as an OS Grif Ref. For our sport it seems difficult choice between the Forerunner 301 and 305. (I guess there'll be a Foretrex 3 series with Sirf ?). Garfield
Posted: Wed 9th May 2007, 10:38
Joined: 2006
My Forerunner made the route about 65miles as well. Also when a couple of miles from the finish another walker stated that her GPS was already showing more than 62miles. How far did other people find the route to be?
Author: Elton Ellis
Posted: Tue 8th May 2007, 19:40
Joined: 2006
Local Group: Surrey
I made the Dorset Giant just under 65 miles. Usually I find my GPSr gives a lower figure than the official one, so I'm inclined to believe it.
Author: Rebecca Lawrence
Posted: Mon 7th May 2007, 21:00
Joined: 2003
Local Group: Marches
Interesting point, but our wrist GPS showed a total mileage of 40.2 miles when we recently did the Oxon 40 which I thought was very good, and also matched the mileage at different points listed on the route description, however on the Dorset Giant it was showing that the checkpoints were half a mile out - not sure which was correct - the route description or the GPS?
Author: Garfield & Helen Southall
Posted: Mon 7th May 2007, 19:29
Joined: 1991
Local Group: Merseystride
Silly question perhaps, but does the Forerunner 101 give OS Grid Ref display? I could have really done with that on Marshalls 100. I used my GPS12 brick for the night section, but it would have been good to bale to check my position at any time during the event. Garfield
Author: Elton Ellis
Posted: Tue 24th Apr 2007, 21:39
Joined: 2006
Local Group: Surrey
Ah, Rebecca, you've joined the techy walkers' world. But I must agree, a gps is great fun, besides being useful.

Ian
<i>it would depend on things such as strength of signal (accuracy) and how frequently position was recorded as to if this would be affected by arm movement?</i> One would think that accuracy would balance out statistically. Frequency of signal - I think I read somewhere it was every second on my GPSMap 60cx. You could have a dig here:

http://forums.groundspeak.com/GC/lofiversion/index.php?f11-900.html
This is the stripped down version: for pretty colours etc click on the title at the top.

It is very interesting but it's easy to get distracted, so don't forget the Giant is on Saturday.

For a definitive answer, I reckon we'll have to wait for John E K to present his empirical evidence.
Posted: Tue 24th Apr 2007, 12:12
Joined: 2006
Elton, this is an interesting point as I wondered if this was the case last year doing the Trailwalker. My etrek showed a total of 67 miles although I was assured that it was only a 62 mile route! As I wanted to keep an eye on the signal strength and battery life I was carrying this in my hand for the majority of the walk. I suppose it would depend on things such as strength of signal (accuracy) and how frequently position was recorded as to if this would be affected by arm movement?
Author: Rebecca Lawrence
Posted: Sat 21st Apr 2007, 21:56
Joined: 2003
Local Group: Marches
Just an update on the garmin forerunner 101 - brilliant tool and love seeing how far i've gone, but make sure you buy good quality batteries. I bought a load of cheap batteries from our local pound shop and found they barley last 4 hours in the garmin compared to 12 hours life with duracel. Just be warned!!
Author: John King
Posted: Mon 2nd Apr 2007, 19:56
Joined: 2002
bear with me elton i will make the comparison
Author: Elton Ellis
Posted: Mon 2nd Apr 2007, 13:15
Joined: 2006
Local Group: Surrey
John, I'd be interested how the mileages recorded on the Foretrex and the Etrex compare when you use them on the same walk/run. I did a 20 mile walk last year with someone with a Fortrex, and when my GPSmap was showing 15 miles, his Foretrex was showing 17 miles. When I compare my recorded distances with the distances measured from a map plot, the GPSMap distance is the same to within a few percent. I wonder if the arm motion results in more distance being clocked up on the wrist GPSrs. Surely Garmin would have taken that in account in their software?!
Author: John King
Posted: Fri 30th Mar 2007, 20:04
Joined: 2002
Yep only chargeble but ok for 10 plus hours i have used mine on the fellsman ect but for longer runs/walks i use my etrex venture cx switch it on sling it in the sac switch it off at finish download it to pc, virtually all the info i get from the forerunner + plus the batteries last longer and are replaceable, and should my compass fail i have backup.

Never had an issue with signal loss.
Author: Elton Ellis
Posted: Fri 30th Mar 2007, 16:39
Joined: 2006
Local Group: Surrey
The 201 is only rechargeable.

PDAs have best screen size (unless you carry a laptop), but have robustness, waterproofness and battery life problems.

I would not consider any GPSr without a SiRFStarIII chipset. A GPSr which keeps losing its signal fails in its primary function.

http://gpstracklog.typepad.com/gps_tracklog/2006/03/sirfstariii_why.html

This link also has specs on different GRSrs
Author: Rebecca Lawrence
Posted: Fri 30th Mar 2007, 10:38
Joined: 2003
Local Group: Marches
But isn't the 201 only rechargeable or does it take batteries. The biggest problem for me is the fact I love my overnight walks so need something where I can change them en route - obviously a rechargable unit would only be good for a 30 - 40 miler max?
Author: John King
Posted: Fri 30th Mar 2007, 9:02
Joined: 2002
For a few more quid the Garmin 201 will enable you to Download your routes, times etc to a pc, and digital mapping on the pc

Thus giving you a permanent record of when, how long and where.

John
Author: Garfield & Helen Southall
Posted: Wed 28th Mar 2007, 23:42
Joined: 1991
Local Group: Merseystride
Hmmm, been reading all these postings keenly. I have the "black brick" GPS12, which is really good, but a bit old and featureless by modern standards. I'll be doing the Marshall's 100 and aim to print tracklogs maps and use those, putting checkpoints and key navigational spots into my GPS12, but only using it if lost !

I'd be very interested to hear what other 100-entrants are planning to do.

Garfield
Posted: Wed 28th Mar 2007, 20:53
I have just sold my garmin etrex and are using a Mio P550 Digiwalker PDA. Bigger Screen and can do far more.
Displays all Memory Map OS Maps available for the whole country on shareware sites FREE!
Sirf III GPS Onboard.
I have an external battery pack 5500 Mah from GPS For Less for longer life when needed.
Just another option!
Posted: Fri 23rd Mar 2007, 12:44
Joined: 2006
Author: Elton Ellis
Posted: Thu 22nd Mar 2007, 12:26
Joined: 2006
Local Group: Surrey
Gary, the new GPSmaps use a quad helix receiving antenna, which is far more sensitive than the old patch antenna. They pick up a signal indoors, let alone under tree cover. Good review here, carried out with Teutonic thoroughness.

http://patrick-roeder.de/reviews/garmin_gpsmap_60CSx.htm
Posted: Thu 22nd Mar 2007, 11:04
Joined: 2006
Author: Rebecca Lawrence
Posted: Thu 22nd Mar 2007, 8:42
Joined: 2003
Local Group: Marches
Thanks for the info Elton, I think what I am going to have to do is buy 2 - a wrist variety for when I run (I'm a runner as well) and maybe the handheld variety for walking.there doesn't appear to be the perfect GPS out there that is good for both running and with the detail needed for walking.

I have decided to follow advice and buy a 101 for distance recording as the batteries can be changed, and I'll look at the hand held you've suggested as well. Good job I'm doing all this overtime at work!
Author: Elton Ellis
Posted: Wed 21st Mar 2007, 14:52
Joined: 2006
Local Group: Surrey
Author: Rebecca Lawrence
Posted: Wed 21st Mar 2007, 13:24
Joined: 2003
Local Group: Marches
Thanks - yes, let me know what happens - if it stores the info during a battery change then thats just what I'm looking for.
Posted: Wed 21st Mar 2007, 12:06
Joined: 2006
The 101 takes 2 x AAA batteries so no problem carrying spares. I've read that batteries last anything between 10 and 15 hours. I was also wondering the same thing, whether it continues where you left off when you change batteries. I would imagine that it does as it stores all the data automatically when you complete a training session, I'll find out on mine and let you know.
Author: Rebecca Lawrence
Posted: Tue 20th Mar 2007, 15:25
Joined: 2003
Local Group: Marches
how long do the batteries last on the 101 - I know they are rechargeable but presumably you could have a spare battery for the longer walks but would it then lose the info as regards to how far you have got? i am also in the market to buy a GPS and would prefer the wrist variety and have been tempted by the 205, but with only a 10 hour battery life, this would be no good for the 100 unless i am feeling particularly zippy, and as you have to plud the whole watch in to recharge it there doesn't appear to be the option of carrying a spare battery. Any suggestions?
Posted: Tue 20th Mar 2007, 9:44
Joined: 2006
Author: Ian & Pauline Charters
Posted: Thu 15th Mar 2007, 21:37
Joined: 2000
Local Group: Lakeland
Much, much better than the garmin software is SportsTracks - free and legal from

http://www.zonefivesoftware.com/SportTracks/

Map, splits, pace, elevation etc, etc.

Can export the *.gpx file to MayMyRun (share from there) and upload to Google Earth for a 3D view of where you have been, fantastic.

Have a look at http://www.mapmyrun.com/user_routes.php?u=712775bacd00b61567ca8eeb605853c8

Once the route is loaded look for the 3D view button and send the route to Google Earth
Posted: Mon 12th Mar 2007, 22:07
Joined: 2006
If you are considering getting one as a training/running aid, spend a few more pennies and get the Forerunner 205.

I have been using this for the last 6 weeks and is an excellent piece of kit. What makes it better than the Forerunner 101 is the 'Sirf III' chipset which is very sensitive and will not lose it's satellite fix, even under heavy tree cover. This has been a particulat gripe with the 101.

Coupled with the Garmin Training Centre software, you can easily see hor far and how fast you have been - or not, as the case may be.
Posted: Sun 11th Mar 2007, 21:15
Joined: 2006
hi
i have the forerunner 101 and the foretrex 201. the forerunner is fine for judging pace with an alarm every mile telling you how fast you have gone (usually not fast enough!)

the foretrex is excellent too with a good battery and interface with memory map is a great nav aid.

between the two there is every thing i need.
Posted: Wed 28th Feb 2007, 13:52
Joined: 2006
I have a Garmin eTrek GPS which is very useful for navigation but am considering buying a Garmin Forerunner 101 as a training aid/pacemaker. I have read a few mixed reviews on this item so far but would like some more feedback from anyone who has used one of these.

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