General Discussion Triathlon Talk » GPS, tunnels, foot pods Rss Feed  
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2015-01-29 10:54 AM

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Subject: GPS, tunnels, foot pods

My Garmin 210 has been a pain in my butt! It takes a while to find satellites and then drops signal in short tunnels, highway underpasses, and city streets. And then can't find it again. For a while.

So, question 1:

If I get a Foot Pod, can I (a) start running before it gets satellites, and then let it pick them up if it finds them? and (b) maintain continuous tracking even if the signal is dropped?

And if the answer to those is no...

Question 2:

GPS recommendation on a watch that grabs satellites quickly - even when on the move after they're dropped mid-run?

(not interested in the 910/920 - they are huge!, non-Garmin brands are fine)



2015-01-29 12:09 PM
in reply to: ratherbeswimming


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Subject: RE: GPS, tunnels, foot pods
Love my Garmin 220, quick Gps find. No need for a foot pod. Will pick up gps again if dropped mid run.
2015-01-29 3:00 PM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods
I just got an FR15 and two weeks in it's doing great. It doesn't pick up the satellites in the house like the 910XT I gave to my husband (too big!) will- but usually within 10 seconds outside.
2015-01-29 3:40 PM
in reply to: Moonrocket

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Subject: RE: GPS, tunnels, foot pods

I've had several garmins and find that clearing the old history helps keep them running smoothly including for some reason picking up GPS - picking the delete activities older than one month.  

Maybe it would help in your case?

2015-01-29 3:47 PM
in reply to: juniperjen

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Subject: RE: GPS, tunnels, foot pods

Originally posted by juniperjen

I've had several garmins and find that clearing the old history helps keep them running smoothly including for some reason picking up GPS - picking the delete activities older than one month.  

Maybe it would help in your case?

Cleared history, full reset, updated software.... nada. But thanks

2015-01-29 3:50 PM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods

Oh blerg. No other suggestions here ...



2015-01-29 3:56 PM
in reply to: juniperjen

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Subject: RE: GPS, tunnels, foot pods

Seems like the answers to 1(a) and 1 (b) are yes... but re-calibration is required if I switch shoes... and I'm currently rotating 3 pairs. Hmmm...

2015-01-29 4:01 PM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods

Another recommendation for the 220...I got one for my wife and she LOVES it.  It's purple.  :-)

I struggled with the 210 on and off for a couple of years...the "not waterproof" thing was a pain, too.

2015-01-29 4:02 PM
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Subject: RE: GPS, tunnels, foot pods
Originally posted by ratherbeswimming

Seems like the answers to 1(a) and 1 (b) are yes... but re-calibration is required if I switch shoes... and I'm currently rotating 3 pairs. Hmmm...




I use a 910xt with the footpod. The HM I run annually has a mile long tunnel. I also run on the treadmill a bit too. The GPS / Footpod should be able to be configured so that speed is from GPS unless GPS isn't available. Then it would pick up pace from the footpod. Once GPS is available again the pace will come from it.

Not sure about starting a run. I think I read that if you start running before the satellite's set that it will take longer to lock in.

Re: calibration - you can start your run and have it calibrate by satellite distance. It will beep at you when done and then you just have to hit start again on the watch. You would just have to move the pod to your different shoe.

Edited by trisuppo 2015-01-29 4:05 PM
2015-01-29 4:03 PM
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Subject: RE: GPS, tunnels, foot pods

Originally posted by nicroor Love my Garmin 220, quick Gps find. No need for a foot pod. Will pick up gps again if dropped mid run.

Yup, love my 220 too.  Picks up satellites in seconds.  I can't comment on the tunnels though.  I seem to recall reading DCrainmaker say that it (or maybe the 620) works well with tunnels and a footpod.

Edit - http://www.dcrainmaker.com/2013/11/garmin-forerunner-depth-review.html

He talks about tunnels down in the user comments section.  Looks like it should work well.



Edited by axteraa 2015-01-29 4:05 PM
2015-01-29 4:05 PM
in reply to: trisuppo

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Subject: RE: GPS, tunnels, foot pods

Originally posted by trisuppo
Originally posted by ratherbeswimming

Seems like the answers to 1(a) and 1 (b) are yes... but re-calibration is required if I switch shoes... and I'm currently rotating 3 pairs. Hmmm...

I use a 910xt with the footpod. The HM I run annually has a mile long tunnel. I also run on the treadmill a bit too. The GPS / Footpod should be able to be configured so that speed is from GPS unless GPS isn't available. Then it would pick up pace from the footpod. Once GPS is available again the pace will come from it. Not sure about starting a run. I think I read that if you start running before the satellite's set that it will take longer to lock in.
 

Yeah, most struggle when you're moving... but if I'm already tracking via footpod, I'm willing to wait longer.



2015-01-29 4:11 PM
in reply to: axteraa

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Subject: RE: GPS, tunnels, foot pods

Originally posted by axteraa

Originally posted by nicroor Love my Garmin 220, quick Gps find. No need for a foot pod. Will pick up gps again if dropped mid run.

Yup, love my 220 too.  Picks up satellites in seconds.  I can't comment on the tunnels though.  I seem to recall reading DCrainmaker say that it (or maybe the 620) works well with tunnels and a footpod.

Edit - http://www.dcrainmaker.com/2013/11/garmin-forerunner-depth-review.html

He talks about tunnels down in the user comments section.  Looks like it should work well.

Awesome - just scrolled though that. Internal accelerometer helps eliminate the need for a foot pod and guesstimate the distance if GPS drops.

I may be sold on the 220.

2015-01-29 4:14 PM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods

My only beef with the 220 is that you only get 3 data fields and I would like a 4th but I don't care enough about that to get a 620.

2015-01-30 12:29 AM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods
Originally posted by ratherbeswimming

Awesome - just scrolled though that. Internal accelerometer helps eliminate the need for a foot pod and guesstimate the distance if GPS drops.

I may be sold on the 220.




I have found that some people have said the internal accelerometer on the 220 isn't as accurate as the one on the foot, at times making for some interesting differences in what pace it thinks you are going as opposed to actually going, especially if you ever use a treadmill.
2015-01-30 9:02 AM
in reply to: dfquigley

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Subject: RE: GPS, tunnels, foot pods
Originally posted by dfquigley

Originally posted by ratherbeswimming

Awesome - just scrolled though that. Internal accelerometer helps eliminate the need for a foot pod and guesstimate the distance if GPS drops.

I may be sold on the 220.




I have found that some people have said the internal accelerometer on the 220 isn't as accurate as the one on the foot, at times making for some interesting differences in what pace it thinks you are going as opposed to actually going, especially if you ever use a treadmill.


I am very skeptical of the arm based accelerometer...what did DCRainmaker say on the accuracy? I think he has said that the treadmill accuracy is just so so.
2015-01-30 9:45 AM
in reply to: ratherbeswimming

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Subject: RE: GPS, tunnels, foot pods
Originally posted by ratherbeswimming

Seems like the answers to 1(a) and 1 (b) are yes... but re-calibration is required if I switch shoes... and I'm currently rotating 3 pairs. Hmmm...




I use a footpod with a 910 and rotate between 3 different pairs of shoes as well. The difference in calibration hasn't been that significant. For your issue of tracking distance due to interment drops in reception it shouldn't be a big deal.

For reference:
I calibrated using my NB 860s.(I have a couple of those and wear them the most)
I also use the footpod on Hokas and NB MR10 without recalibrating. The difference between the shoes when tracking distance on the 910 vs the treadmill is pretty minimal.


2015-01-30 10:12 AM
in reply to: trisuppo

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Subject: RE: GPS, tunnels, foot pods
Originally posted by trisuppo


I am very skeptical of the arm based accelerometer...what did DCRainmaker say on the accuracy? I think he has said that the treadmill accuracy is just so so.


http://www.dcrainmaker.com/2013/11/garmin-forerunner-depth-review.h...

In short, more variability than expected, especially outside his normal speed ranges.

Works well for cadence though.

Paired with the footpod those pace issues seemed to be solve.
2015-01-30 11:54 AM
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Subject: RE: GPS, tunnels, foot pods

I love my Garmin 220 as well.  The only time I have a issue with it is when I'm running in a heavily wooded area with a tall dense canopy, or doing switchbacks out on the trails. 

Out on the road it grabs satellites quickly, and recovers quick if it looses connection.

It's not very bulky either.  I actually use it for my daily watch (I do take it off and put on a watch with a stopwatch when doing swims).  I usually synch it on Wednesdays and Sundays (also charge).  It's a great conversation starter too!



Edited by Justin86 2015-01-30 11:56 AM
2015-01-30 1:15 PM
in reply to: trisuppo

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Subject: RE: GPS, tunnels, foot pods

Originally posted by trisuppo
Originally posted by dfquigley
Originally posted by ratherbeswimming Awesome - just scrolled though that. Internal accelerometer helps eliminate the need for a foot pod and guesstimate the distance if GPS drops.

I may be sold on the 220.

I have found that some people have said the internal accelerometer on the 220 isn't as accurate as the one on the foot, at times making for some interesting differences in what pace it thinks you are going as opposed to actually going, especially if you ever use a treadmill.
I am very skeptical of the arm based accelerometer...what did DCRainmaker say on the accuracy? I think he has said that the treadmill accuracy is just so so.

Seems mediocre... but considering right now my watch just decides to not recover from dropping signal... it'd be better than what I've got.

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