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missing_user
Joined: Aug 30, 2008
Posts: -7
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 Posted: Sun Jan 27, 2008 11:04 pm Post subject: |
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| strumble wrote: | | of recording of the tracks have you set it for? |
| pjcactus wrote: | Time = 30 secs.
Must admit unsure if 30 secs is good or not -
and don't know the advantages/disadvanages of setting the recording of tracks to Time, Distance or Auto? |
| strumble wrote: | | Do you use the full track from within the SD card [10,000 points]rather than the track you see normally which has a limit of 500 points? |
| pjcactus wrote: | | No don't use the SD card. |
What settings are those GARMIN or MEMORYMAP?????????
If they are Garmin I do not see them!
My unit is recording every 1 to 3 seconds to the unlimited space on the SD card. It does this without any thought from me and I can look back at a track 12 months ago in detail to the second!
How far do you walk in 30 seconds???????
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pjcactus
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Joined: Jan 26, 2008
Posts: 30
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| Posted: Sun Jan 27, 2008 11:08 pm Post subject: |
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| strumble wrote: | 
This is slow walk [at my age] along the treelined narrow rural road.
Setting 'Lock to road-OFF'.
The track is from the SD card in both directions:-
312 points in 29 minutes' so the 500 saved track limit would 'filter' a longer walk if saved in the unit not the SD! |
Thanks for that most useful.
Did you set for Time or Dist or Auto?
Tell me how do you get the dots at the track points...I'm clearly missing something as the record of my track, whilst showing the change of directions etc doesn't show actual track points. I'm using Memory Map if that's significant. |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Sun Jan 27, 2008 11:10 pm Post subject: |
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| pjcactus wrote: | | strumble wrote: | | I left my 60csx on in my office [no direct windows - no rooms above me - but there was a concrete tile roof] 75 minutes - travelled 380 feet on a 27 feet radius! |
Thanks for that...very useful - shows similar behaviour.
I'm just keen to ensure the track is as accurate as possible. After a decent walk I'd like to think the track record was correct near as damnit.
In future intend to locate the Garmin not in trouser pockets!, and switch it off on entering pubs/churches etc 
do you do that?...switch off when going inside pub or whatever during walk and then restart?
Cheers. |
No, I just leave it on [not in church] - it is not a complete track otherwise as you start walking before the unit gets a fix! [or as was hinted at earlier, I may be too p...... to remember to switch it on! 
Batteries are no problem as I carry two spare sets [24hours]
Last edited by missing_user on Sun Jan 27, 2008 11:11 pm; edited 1 time in total |
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pjcactus
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Joined: Jan 26, 2008
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| Posted: Sun Jan 27, 2008 11:10 pm Post subject: |
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| Darren wrote: | | One other thought, are the two units identical? ISTR that Garmin changed the chipset at some point in those models? |
Good point - how do I check this? |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Sun Jan 27, 2008 11:16 pm Post subject: |
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| pjcactus wrote: |
Did you set for Time or Dist or Auto? Where do you see that?
Tell me how do you get the dots at the track points...I'm clearly missing something as the record of my track, whilst showing the change of directions etc doesn't show actual track points. I'm using Memory Map if that's significant. |
Standard Garmin download of track to MapSource! |
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Darren
Frequent Visitor
Joined: 11/07/2002 14:36:40
Posts: 23848
Location: Hampshire, UK
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| Posted: Sun Jan 27, 2008 11:21 pm Post subject: |
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Please QUOTE correctly, otherwise your posts and replies to posts make very little sense!
If you quote a pice of text you must ensure that you close the quote at the end of the quoted piece i.e.
| Code: | [quote]Blah blah blah[/quote]
or
[quote="darren"]Blah blah blah[/quote] |
Keeps it all nice'n'tidy and ensures we all know who said what etc etc 
_________________
Darren Griffin |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Sun Jan 27, 2008 11:23 pm Post subject: |
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Some of the track points are 1 or two seconds apart [ 8 feet apart]
Some of the track points are 6 seconds apart [ 32 feet apart]
How far did you travel in 30 seconds - on a winding path near us you would be over the cliff [on the Pembrokeshire Coast Path] |
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pjcactus
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Joined: Jan 26, 2008
Posts: 30
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| Posted: Sun Jan 27, 2008 11:24 pm Post subject: |
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| strumble wrote: | | pjcactus wrote: | | of recording of the tracks have you set it for? |
Time = 30 secs.
Must admit unsure if 30 secs is good or not -
and don't know the advantages/disadvanages of setting the recording of tracks to Time, Distance or Auto?
| Quote: | | Do you use the full track from within the SD card [10,000 points]rather than the track you see normally which has a limit of 500 points? |
No don't use the SD card. |
What settings are those GARMIN or MEMORYMAP?????????
If they are Garmin I do not see them!
My unit is recording every 1 to 3 seconds to the unlimited space on the SD card. It does this without any thought from me and I can look back at a track 12 months ago in detail to the second!
How far do you walk in 30 seconds???????
[/quote]
Settings are Garmin. Under Recording Method the options I have are Distance, Time or Auto
Ok, didn't realise how to save to SD card...now sorted...save track to SD card and interval changed to 1 second
Thanks for the help. |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Sun Jan 27, 2008 11:27 pm Post subject: |
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| Darren wrote: | | If you quote a pice of text....... |
Is that Welsh???????? |
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pjcactus
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Joined: Jan 26, 2008
Posts: 30
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| Posted: Sun Jan 27, 2008 11:27 pm Post subject: |
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| Darren wrote: | pjcactus I've corrected the quoting in your replies above for you but for future reference you need to 'close' any quotes you make to ensure the replies read correctly  |
Thanks Darren |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Sun Jan 27, 2008 11:32 pm Post subject: |
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pjcactus,
You have taught me tonight - I always set to Auto and forgot the other options!
This forum is great as we can always learn something new.
Thanks. |
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pjcactus
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Joined: Jan 26, 2008
Posts: 30
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| Posted: Mon Jan 28, 2008 12:02 am Post subject: |
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| strumble wrote: | | pjcactus wrote: |
ell me how do you get the dots at the track points...I'm clearly missing something as the record of my track, whilst showing the change of directions etc doesn't show actual track points. I'm using Memory Map if that's significant. |
Standard Garmin download of track to MapSource! |
Could you expand as when I download to memory map the track points are not visable? |
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missing_user
Joined: Aug 30, 2008
Posts: -7
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| Posted: Mon Jan 28, 2008 12:35 am Post subject: |
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| I have never used Memory Map only CityNavigator or TOPO! |
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pjcactus
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Joined: Jan 26, 2008
Posts: 30
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| Posted: Mon Jan 28, 2008 10:09 am Post subject: |
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| M8TJT wrote: | | pjcactus wrote: | Only difference we could think of - His Garmin was carried in coat pocket - mine in trouser pocket where can imagine more difficult satelite reception.
So thought I'd try this...
At the end of another walk kept GPS switched on and placed it on house kitchen surface near window.
During the 4 hours when it physically wasn't moved the track length increased by 1.50 miles with extreme zig zag display display!
And further, later, located the machine outside in the centre of the lawn with very clear overhead conditions and found the track length increased by 0.18 miles during 2 hours.
Any constructive thoughts/comments?
Thanks. |
The positional accuracy of GPS depends mainly on DOP (Dilution of Position) Generally speaking, the lower the DOP the better the fix.
DOP depends a lot on how clear a view of various satelites that you have and their relative position in the sky to one another (locking on to 4 sats all in about the same area of sky will not give a low DOP as a good triangulation fix cannot be achieved). Given this info, In your trouser pocket is probably not as good a place as in coat pocket. Indoors near a window is very inferior to outdoors in the clear.
Given this, the 'jitter' and increased track length that you are experiencing when the unit is indoors compared with outside is not surprising. QWith a good SAT lock, I would have thought that about 0.18M of 'jitter' over a two hour period would not be excessive.
A lot of SATNAVs have a speed filter built in to stop small movements of position influencing the track. Yours obviously hasn't with the application the you are running.
Appologies to the purists for the oversimplification. |
Would you know if my model has such an inbuilt speed filter? |
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