Where to find creation date of waypoint?

Date field behaviour not consistent & missing creation date field

Hi Btlakke,
However this does not resolve the primary issue that BaseCamp overwrites the waypoint creation date when other waypoint fields are edited.

I found that it is possible to edit the name of a waypoint without getting a new date, but if I changed the coordinates or added notes a new date was created for the waypoints created in my new eTrex 20. So the date field does not behave consistent.

In my Swedish version of BaseCamp 3.3.3 the date field is named "Ändrat" = modified, so I expect this date to change when I edit something. Therefore, it is not logical that the date does not change when I edit the name of a waypoint.

However, I am missing a field with creation date, that never can be changed. That would be so unvaluable. I am doing botanical surveys and I have many thousands of waypoints. It is necessary to be able to sort them by date to be able to keep track of them and to find older waypoints I knew I created a certain date. And of course the creation date is absolutely essential to have a record of what date I found a particular species = when I created the waypoint.

Hi Tony,
If you need to see the time stamps, one thing you can try is to open a gpx file of waypoints with Microsoft Excel. At least some versions of excel will parse the file into columns and rows.

Nice suggestion. It works fine to open a gpx-file with Excel 2010 on my PC.

However,
1. Time stamps are offset two hours to the local time when they were created. It has to do with time zones and daylight saving time I suppose. That makes it tricky to match the waypoints with pictures, with time stamps showing the local time.
2. Coordinates are longitude and latitude. I want to have Swedish Grid - RT 90, and do not want to use another program to convert from longitude - latitude to Swedish Grid.

BENGTSTR, AFAIK the native GPSr format is Lat/Lon WGS84. Why do you need Swedish National Grid?

BaseCamp has a very handy geotagging feature syncing time stamps to tracklogs. Have you tried it, and if so, why doesn't it work for you? The last time I used waypoints to geotag, I was geotagging scanned images from a film camera.

Also, all track points are stored in Zulu (UTC) time in the GPX file. This makes time zones irrelevant. I believe BaseCamp then converts the time to your local system clock settings. You may find it helpful to check out this link, where I was getting it clarified:
https://forums.garmin.com/showthread.php?p=132912#post132912

Why do you need Swedish National Grid?

To put it simple, to be compatible with others in Sweden. The Swedish grid is the national coordinate system. All authorities, city planners etc use Swedish grid, so if you want to communicate with others here in Sweden it is necessary to use Swedish Grid. The national database "Artportalen" we use for input of observations of plants, birds, mammals etc also uses Swedish Grid. This database has passed 25 million observations now...

BaseCamp has a very handy geotagging feature syncing time stamps to tracklogs. Have you tried it, and if so, why doesn't it work for you?

Sounds interesting. I was not aware of this function. I had two problems with it. First I am taking raw pictures and it seems like BaseCamp needs jpg. It is of course possible to convert all pictures to jpg but it is an extra step... Second I did not find the “Geotagging pictures with track” that the help says should be under the “Edit” menu (I translate it from Swedish so may the names of the commands and menus are a bit different in English).

all track points are stored in Zulu (UTC) time in the GPX file. This makes time zones irrelevant. I believe BaseCamp then converts the time to your local system clock settings.

What I meant is that the local time depends on time zones and daylight saving time, and it just gets too complicated to keep track of UTC time from the GPS and local time used for other purposes. I think it should be possible for Garmin to make a function so that the local time is exported. It worked fine in MapSource, that I am still using for my old Garmin 60CSx.

Geosetter will geotag RAW photos using a track.
Global Mapper will convert WGS Lat/Lon to Swedish Grid (SWEREF 99, or RT90) Unfortunately, it costs 399 USD. :(
I found this converter by Googling: http://www.dmap.co.uk/ll2tm.htm but it looks like it requires manual input, which could get tedious.
Regarding UTC time, that's only used to determine longitude. The timestamp on the photo is unchanged.

1. Time stamps are offset two hours to the local time when they were created. It has to do with time zones and daylight saving time I suppose. That makes it tricky to match the waypoints with pictures, with time stamps showing the local time.

Not a problem. Excel converts the date text to Excels date/time format. To add 2 hours to a time in cell A1 use the formula =A1 + 2/24.

2. Coordinates are longitude and latitude. I want to have Swedish Grid - RT 90, and do not want to use another program to convert from longitude - latitude to Swedish Grid.

Also not a problem. Excel has a power macro language which allows the building of complex functions. The forumulas you need are not difficult to find on the internet.

The forumulas you need are not difficult to find on the internet.

If you know where to find them, please post them.

If there are too many formulas to post, or link to, the answer may be too complicated for the average naturalist.

I should have checked further before my previous answer:
BaseCamp supports a Swedish Grid, and SWEREF99 TM.
Menu sequence Utilities>Options>Measurement
There's also an RT90 datum available in the same dialog.

Waypoint creation dates preserved

BaseCamp version 4 beta preserves the waypoint creation date.

Many thanks to the Garmin team for solving this issue.