GPS marking my finds.

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GPS marking my finds.

Post by Me and my boy » Sun Feb 04, 2018 8:41 am

This maybe in the wrong category, i appolagise if so.

Anyway I was prompted by a comment that Fisher made earlier regarding gps location marking a find spot so that you can return at a later date. I’ve always take a picture with my iPhone 6 of something worth remembering and all hammies as i can see the image on a satalite map on places and nearby pictures. Well sometimes the picture is shown well out of true location and other times they appear to move.
So my question is is there a reliable, accurate and free gps pinpointing photo app available.

Many thanks.


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Re: GPS marking my finds.

Post by Dave8472 » Sun Feb 04, 2018 8:52 am

Hi, I record all my find spots and GEO trails, I use the built in GPS with my CTX and a Garmin eTrex 10 When using the Deus.

To answere your specific question I did some experiments with Google earth using my iPhones built in location services, think it is triangulating and it isn’t very accurate. Even my other GPS devices can be a little out if they haven’t got a good signal.

Something I used to have that was good but it is discontinued was an app that emailed your location and it had a setting to allow the Phone longer to obtain a more accurate spot, might be worth looking at those ?

Storing trails and find spots can look great on Google Earth by the way, especially over a few years of collecting records, and overlayed on different maps.

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Re: GPS marking my finds.

Post by Oxgirl36 » Sun Feb 04, 2018 9:00 am

I use tect o trak app to monitor where i’ve been and to record find spots. You can take a photo and pin it to the find spot and info within the app too.

The GPS colordinates might not be perfect, but there pretty good and any slight skew will be the same next time you go out so still perfect for picking up a previous spot.

Note android only though!

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Re: GPS marking my finds.

Post by Me and my boy » Sun Feb 04, 2018 9:45 am

Oxgirl36 wrote:
Sun Feb 04, 2018 9:00 am
I use tect o trak app to monitor where i’ve been and to record find spots. You can take a photo and pin it to the find spot and info within the app too.

The GPS colordinates might not be perfect, but there pretty good and any slight skew will be the same next time you go out so still perfect for picking up a previous spot.

Note android only though!

viewtopic.php?f=10&t=97858&p=868394#p868394
Cheers oxgirl,
I used go detect and found it good but after awhile you can’t view your historic maps and photos unless you upgrade.
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Re: GPS marking my finds.

Post by JWL » Sun Feb 04, 2018 10:05 am

https://www.gps.gov/systems/gps/performance/accuracy/

A quick look at the above will tell you that your GPS isn’t as accurate as you'd hope it would be, as much as 5mts adrift if using a smart phone. Using a couple of sight lines could be better, lining a near object (not a cow or sheep) with a far object and taking another sight line at 90 degrees to the first. Of course distinctive trees and church steeples aren’t always obliging.

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Re: GPS marking my finds.

Post by Rayc » Sun Feb 04, 2018 10:51 am

It isn't free but if you are a walker/cyclist who already uses 2.5 inch OS maps then VIEWRANGER is pretty good. You can buy 1:25,000 OS tiles for new areas, and field boundaries etc are shown. You mark your find as a 'point of interest' and a 10 figure grid ref is recorded; you can give the findspot a name when in the field but I tend to leave it until home.

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Re: GPS marking my finds.

Post by Bambamsdadda » Sun Feb 04, 2018 9:17 pm

My concern with logging my finds is it being shared with others.
Having said that I’d love to have a history like the photos above.
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Re: GPS marking my finds.

Post by tcawood » Sun Feb 04, 2018 9:26 pm

I'm with oxgirl as a tect o trak user, it is also available on the iPhone now though as well... and you can improve the GPS tracking (on Android) using GPS Locker.

There's a lite version for Android, so may be worth a look.
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Re: GPS marking my finds.

Post by Me and my boy » Sun Feb 04, 2018 9:36 pm

JWL wrote:
Sun Feb 04, 2018 10:05 am
https://www.gps.gov/systems/gps/performance/accuracy/

A quick look at the above will tell you that your GPS isn’t as accurate as you'd hope it would be, as much as 5mts adrift if using a smart phone. Using a couple of sight lines could be better, lining a near objectwith a far object and taking another sight line at 90 degrees to the first. Of course distinctive trees and church steeples aren’t always obliging.

(not a cow or sheep) 🤣🤣
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Re: GPS marking my finds.

Post by Steve_T » Sun Feb 04, 2018 9:49 pm

I would recommend a dedicated GPS device, I use the Etrex 10 an entry model to the range but does everything I need it to do and have done since starting detecting, I have built up quite a database on Google Earth, all tracks and find spots are accurate to the sq metre, or as accurate as it can be due to sattelites it's locked on to

Very simple to export to GE in kml format, I also snip an image from GE and hyperlink to my excel database for reference

All my PAS recorded items and specifics like Roman coins and medieval can be shown separately on GE so I can see specific hot spots, it helps plan and decide on what is left to do in a specific field

I would post some images but someone else is on the PC

As regards to others knowing the location of your finds they will only know if you tell them.

I believe if you send a picture from some mobiles (raw as in not edited) in can include the location as some GEO tag the pictures, how accurate I'm not sure??

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Re: GPS marking my finds.

Post by Me and my boy » Sun Feb 04, 2018 10:14 pm

One thing I may have forgotten to highlight sorry is that I don’t use a
Pc or laptop atall and only have my iPhone and iPad, so I’ll have to rethink the whole thing.
I do like all your ideas and am in envie of them as viewable on a larger screen.
Thanks for all the replies and suggestions.
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Re: GPS marking my finds.

Post by f8met » Mon Feb 05, 2018 9:46 am

Steve_T wrote:
Sun Feb 04, 2018 9:49 pm
I believe if you send a picture from some mobiles (raw as in not edited) in can include the location as some GEO tag the pictures, how accurate I'm not sure??

Regards Steve
There should be an option on your phone to turn off the location tagging which I always have turned off and I don't always have my GPS turn on on my phone. I am not a fan of using my phone as I would rather not run the battery down. Although when the one for the deus comes out I may give it a go.

I get a bit paranoid about people finding the location data on my photos.

I tend to use an etrex 30 but I need to learn how to edit the data.
Last edited by f8met on Mon Feb 05, 2018 10:15 am, edited 1 time in total.
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Re: GPS marking my finds.

Post by shaggybfc » Mon Feb 05, 2018 9:53 am

All I do is take a couple of photos of the item, then screen shot my compass settings showing the coordinates. I like the idea of geo-tracking my detecting route, especially when trying to follow old footpaths.

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Re: GPS marking my finds.

Post by Koala » Mon Feb 05, 2018 1:13 pm

If you have GPS lock the accuracy of a pictures coordinance and any software is the same. It's using exactly the same antenna and GPS chip giving out the same data.

You have to have settings > location services > on and camera > while using app.

It can also takes a few seconds gain proper lock.

In normall use the difference between dedicated handheld Garmin and an iPhone 5 is nothing. I have both.

All GPS systems have limits. Bouncing and sheilding of the sky while near buildings and mountains.

The Garmin does had a better antenna whicn is better while you are in woods.

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Re: GPS marking my finds.

Post by jcmaloney » Mon Feb 05, 2018 3:09 pm

I tend to do a bit of both using the CTX & my Garmin. I also check a physical location with reference points just to allow for GPS inaccuracy, one of the benefits of being a "local regular" to land is getting to know the reference points...... "third poplar from the left & in a line with the mobile mast" serves fairly well. ::g
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Re: GPS marking my finds.

Post by Bambamsdadda » Tue Feb 06, 2018 1:51 pm

Dave8472 wrote:
Sun Feb 04, 2018 8:52 am
Storing trails and find spots can look great on Google Earth by the way, especially over a few years of collecting records, and overlayed on different maps.

New Site
1.jpg
Old Site
2.jpg

Dave ):=
Is that using data from the Garmin eTrex 10?
If so is it easy to do??
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Re: GPS marking my finds.

Post by Mancave-man » Tue Feb 06, 2018 2:45 pm

I don't have a smart phone but I do use a Garmin eTrex 10 GPS recorder. It's a doddle to use and if its inaccurate then that's not my fault. Never had any grief from my FLO to date regarding any inaccuracies and have recorded hundreds of items. Better to record the find spot than not I say.

Regards to all.

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Re: GPS marking my finds.

Post by Koala » Tue Feb 06, 2018 3:27 pm

Almost all devices use the same Broadcom GPS chipset so accuracy is the same.

However it looks like Broadcom has release a new chipset. https://www.broadcom.com/products/wirel ... 5#overview

Looks like it will be in devices soon. Whether is a big jump in accuracy we will have to see, but it does have half the power requirement of the previous chip

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Re: GPS marking my finds.

Post by Steve_T » Tue Feb 06, 2018 5:39 pm

f8met wrote:
Mon Feb 05, 2018 9:46 am

I tend to use an etrex 30 but I need to learn how to edit the data.
I may have some help files I wrote out, I can dig them out, would be the same for all the etrex models I expect?

By edit do you mean in the device, Garmin BaseCamp or GE

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Re: GPS marking my finds.

Post by Dave8472 » Tue Feb 06, 2018 6:50 pm

Bambamsdadda wrote:
Tue Feb 06, 2018 1:51 pm
Dave8472 wrote:
Sun Feb 04, 2018 8:52 am
Storing trail.......

Dave ):=
Is that using data from the Garmin eTrex 10?
If so is it easy to do??
Yes from base camp software, highlight the data on the tabs on the left then on the main menu there is a option to view on google earth. Google earth has to be up and running in the background first though. When it opens in GE you need to drag it out the temporary folder if you want to store it. There are lots of options to alter the data in GE too

If you get an error saying the software isn’t registered let me know and I will post details of a link to fix it

Dave ):=
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Re: GPS marking my finds.

Post by Bambamsdadda » Tue Feb 06, 2018 6:58 pm

Dave8472 wrote:
Tue Feb 06, 2018 6:50 pm
Bambamsdadda wrote:
Tue Feb 06, 2018 1:51 pm
Dave8472 wrote:
Sun Feb 04, 2018 8:52 am
Storing trail.......

Dave ):=
Is that using data from the Garmin eTrex 10?
If so is it easy to do??
Yes from base camp software, highlight the data on the tabs on the left then on the main menu there is a option to view on google earth. Google earth has to be up and running in the background first though. When it opens in GE you need to drag it out the temporary folder if you want to store it. There are lots of options to alter the data in GE too

If you get an error saying the software isn’t registered let me know and I will post details of a link to fix it

Dave ):=
You’re a star, thanks buddy.
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Re: GPS marking my finds.

Post by local hero » Thu Feb 08, 2018 11:05 am

You could try this android app in your living room or garden;

https://play.google.com/store/apps/deta ... g&hl=en_GB

Then type the NGR it gives into Grid Reference Finder and see the accuracy;

http://www.gridreferencefinder.com/

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Re: GPS marking my finds.

Post by Bambamsdadda » Thu Feb 08, 2018 1:45 pm

I bought an eTrex 10 for £80 from a local outdoors shop. Had a go on a walk last night, it’s fantastic! I’ve uploaded the walk to google earth and also a track from google earth to the handset. Surprisingly easy!
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Re: GPS marking my finds.

Post by Taxino8 » Fri Apr 13, 2018 7:38 am

I use a Garmin GPS but I already had it as I do a lot of hill walking, ok but you have to bag and mark each find with the waypoint number.
I recently got the ISmart Detect App for my IPhone and once that’s locked onto a location you simply take a photo with your phone and it produces two photos, one has the coordinates imposed on it, the others doesn’t. Accuracy is to 5 metres which I think is good enough.
The beauty of this is you don’t have the faff of individually bagging each find.
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