MountainViews
Welcome to MountainViews
If you want to use the website often please enrol (quick and free) at top right.

General Whatever you want to say that doesn't fit under the comments about places or another forum.
Sort by >

More controls

<< Prev page 1 .. 140 141 142 143 144 145 .. 385 Next page >>
Post details Post   (Contract pics)
The programme on t.. by aidand   (Show all posts)
Stumbled across an.. by Trailtrekker   (Show all posts)
Congratulations to.. by mcrtchly   (Show all posts)
Pardon my ignoranc.. by march-fixer   (Show all posts)
Thanks for you cle.. by dewsbury   (Show all posts)
simon3
2012-05-23 00:36:35
Map coordinates of Djouce.
The majority of maps in Ireland such as the OS/ LPS/ Harveys/ Healy etc use a system such that a place is represented in this style A 123 456. All GPS units and all books I have seen use the same style for representing the Irish Grid. The "A" represents one of 25 squares that cover the island each of 100km by 100km. The "123" represents the easting within that square or the distance from the left edge, in this case 12.3km The northing represents the distance from the bottom of the square, in this case 23.4km

So any point on the island can be represented to within 100m with just 7 characters. Djouce for example is O 178 103 (that is O for Oscar, followed by 6 numbers). For greater accuracy you can extend the number of digits in the easting and northing, so for example a more accurate position for Djouce is given on the website as O17858 10360, which represents a point to within 1 metre.

While East-West maps have a number of useful characteristics, regrettably they have chosen not to use this well established convention and instead of using the 100km squares mentioned before, use a distance from a point off the south west coast. The point is known as the "false origin". In that system Djouce's coordinates of 3178 2103 means 317.8km east of this point and 210.3 km north of it. You will note that the "178" and "103" are the same digits as appear in the conventional grid reference.

At least some of the East West maps do show the letters that the conventional system uses in a little inset towards the bottom left and you could, with some effort, figure out what the letter should be. (The letter is known as the myriad letter incidentally.) However you may find it easier to use one of the other types of maps to work with grid references and GPS units.

Another advantage of the other maps is that they show the eastings and northings on the grid lines at intervals across the sheet. This is advantageous because when the map is folded it makes it possible to work with grid references. For any East-West map I have been able to check this is not the case, which is extremely awkward. For example to go from a GPS reading on say a Garmin GPS you take the figure from the GPS which might be O17858 10360 and first remove the last two digits of the easting and northing which is easy enough but then you need to figure out what figure to put in front of the easting and northing based on the myriad letter, a process which of course is error prone. You then need to unfold the map completely to be able to see the easting and northing printed at the side of the map and only then can you figure out your position on the map.
Hi all,
I m.. by dewsbury   (Show all posts)
This week sees the.. by wicklore   (Show all posts)
On our second last.. by Hilltop-Harrier   (Show all posts)
scannerman, wicklo.. by paulocon   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 16 Next page >>
Summit Comment
Bealick: Between two counties
Wilderness an hour ago.
I approached this mountain from the North East ,coming from the Coomataggart mountains. When I got to the top I had to walk around for a few minutes to pinpoint the true summit; which I'm sure is...

  
Track
Nephin from the North....stunning views.
derkelly274 an hour ago.
First time climbing Nephin for both myself and my friend. We decided to go at it from the North as it seemed like a more walk, Len: 5.3km, Climb: 644m, Area: Nephin, North Mayo (Ireland) Nephin

  
Summit Comment
Nephin: A looped climb from the North. Stunning views all around!
derkelly274 an hour ago.
First time climbing Nephin for both myself and my friend. We decided to go at it from the North as it seemed like a more interesting prospect. There was access to the woods on the northern slope o...

User profile
derkelly274
derkelly274 4 hours ago.
Enjoy climbing the odd hill. Hope to visit more and more.

  
Summit Comment
Knockshanahullion: Route Changes on Avondhu Way
Pepe 7 hours ago.
Approached from carpark above Bay Lough (B). There are new signs on the waymarked trail saying "Blackwater Way Please Note Route Changes". The waymark arrows on the markers look shiny and new, abo...

  
Summit Comment
Tooreenbaha: Early on a sunny April morning
peter1 13 hours ago.
Tooreenbaha, above the Rabach's Glen at the start (or finish!) of the circuit. Knockatee is the distinctive hill in the background.

Summit Comment
Knockowen: A view from the West
peter1 13 hours ago.
A view of Knockowen from Tooreenbaha. The Healy Pass is the gap on the right of the picture and the road can be seen rising across the slopes.

  
Summit Comment
Buckoogh: Buckoo Bucks!
ckilm 13 hours ago.
Followed route suggested by Jackill from the east side of Buckoogh and found the nuisance clearfell has worsened over the years since that comment. Would not recommend it at all now. An easier alt...

  
Track
Camenabologue SE
Bunsen7 2 days ago.
This shortish alternative track makes use of a forest ride (as heralded by Simon3) from Glenmalure to reach Camenabol... walk, Len: 10.6km, Climb: 664m, Area: Camenabologue SE Top, Dublin/Wicklow (Ir

Track
Mullaghcleevaun circuit
osullivanm 2 days ago.
A very pleasant circuit although some difficult ground between Duff Hill and the return to start of hike. walk, Len: 17.3km, Climb: 792m, Area: Black Hill, Dublin/Wicklow (Ireland) Blac...

  
Forum: General
An Alp for OAPs...
Colin Murphy 4 days ago.
If you an ageing hillwalker like myself who might have liked to bag an ‘Alp’ but are too long in the tooth to contemplate such an adventure, fear not, there is a simple little Austrian Alp you can...

  
Summit Comment
Scrabo Hill: Hill with a tower on top
Wilderness 6 days ago.
The hill on its own is 160 meters high and the tower is 40 meters high. The tower is closed during the winter months.The hill can be climbed from the car park just below the Golf Clubhouse at J475...


RECENT CONTRIBUTIONS 1 2 3 .. 16 Next page >>