navigation

[Ehecatl]

In case you haven't seen it, this site has the "juicy" bits from the book (if you haven't read it). I particularly like the moon section.

Enjoy....

http://www.naturalnavigator.com/

[bushmanbobby]

Great post, learned a lot from the comments. Thanks!

[FishyFolk]

We are getting a little problem with navigation by map her in Norway.
They have more or less stopped printing the declination on maps.
There is an app wher eI can find this information, and that is nice as it changes with time.
The onløy problem with that is, that our maps uses UTM grid...and up her in the north,
the south-north lines of the grid, does not point to true north, and that is what you use to orient your compass.
So when given a declination of 7 degrees east, the real declination can be 9 degrees east.
That is not much of anb error, so people are told to just ignore it. The sollution is to stop and make a map reading more often.
Or just find a point in the terrain that matches your direction of march and head for that, take a new reading there and continue...

[Ehecatl]

In the UK we call this Magnetic Variation. Your post Rune, got me thinking as to how many youngsters even know about it, with all of the telephone and hand held Sat-Navs available today. We were taught Grid-to-Mag-ADD, Mag-to-Grid-GET RID as a way of remembering when to add or subtract it .

I though the link below may be useful for anyone wondering what declination or magnetic variation is all about.

https://www.ordnancesurvey.co.uk/res...ing-north.html

[FishyFolk]

navigation by mobile phoen app is for when you are in your car and can constantly charge it...it sucks battery power like nothing else...

[FishyFolk]

In the UK we call this Magnetic Variation. Your post Rune, got me thinking as to how many youngsters even know about it, with all of the telephone and hand held Sat-Navs available today. We were taught Grid-to-Mag-ADD, Mag-to-Grid-GET RID as a way of remembering when to add or subtract it .

I though the link below may be useful for anyone wondering what declination or magnetic variation is all about.

https://www.ordnancesurvey.co.uk/res...ing-north.html

It is important up her ein the North. In Finnmark it may be as much as a 15 degree difference :-)
And you can get very, very lost up there.

[Tigger004]

We are fortunate in the UK, If I remember correctly Grid north is about 1deg 10mins off mag north where I live

[FishyFolk]

Where I am I just need to find a house with a TV sattelite dish...this far north they are all pointed south, hehe

[Pootle]

Where I am I just need to find a house with a TV sattelite dish...this far north they are all pointed south, hehe

You just have to trust the installers accounted for declination.

Sent from my SM-A300FU using Tapatalk

[footsore1]

I used to teach navigation on bushcraft courses to hiking groups etc. I would go over map and compass methods and then talk about a
alternate ways to find the cardinal points including the watch technique mentioned earlier ie point the 12 at the sun and bisect the angle between the 12 and the hour hand to find north [southern hemisphere].

I'd conclude with asking to borrow some else's watch. Then I'd casually throw it over my shoulder [to a predetermined area that offered a soft landing] and explain to the onlookers as we searched for the watch that it had 'gone west'.

Care was always taken in the execution of this scheme so all watches were recovered undamaged and I consequently didn't end up with a disgruntled ex watch owner, a bill or a blackeye!!.