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During recent prep.. by CaptainVertigo   (Show all posts)
I have been using .. by padodes   (Show all posts)
Jimmy Barry entere.. by simon3   (Show all posts)
Mick Farren entere.. by simon3   (Show all posts)
PURE (Protecting U.. by simon3   (Show all posts)
Like CaptainVertig.. by bejasus   (Show all posts)
It seems very quie.. by CaptainVertigo   (Show all posts)
simon3
2006-12-21 14:12:04
SMC contour maps
Parodes -- yes I would agree that the contour maps are a big advantage on a GPS. The contours are not particularly accurate. They come from "SRTM" data (Shuttle Radar Topography Mission) run by NASA some years ago. They only released 3 arcsecond data. This means for Ireland that they give height information at a spacing of around 56m by 90 metres. Much of the contour detail on the SMC system is therefore "interpolated" that is guesstimated.

MountainViews has a system that allows people to correct summit positions using GPS measurements. Over half the summits in our current list have at least one measurement and as time goes on this will improve. I take your point that what actually is the summit is not clear in some cases. Quite often there is no cairn or marking or there is a trig pillar but not quite at the summit.
I suppose it would be possible to come up with a system which identifies the exact point that is the summit. Would this really be worthwhile? It is possible incidentally that the SMC V2 map is not using the most uptodate positions for summits. Another GPS map we offer (from member Pazapas) uses a recent upload of data - the contours are 50m however.
It now appears tha.. by CaptainVertigo   (Show all posts)
Thanks to Mountain.. by padodes   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 18 Next page >>
Summit Comment
Divis: Great views
Wilderness 7 hours ago.
A lovely mountain with great extensive views of Ulster and Scotland. The car park lies south west of the Divis summit and is nearly 300 meters above sea level giving you an easier climb to the top...

  
Summit Comment
Knocknadobar: Great views
Wilderness 18 hours ago.
You can park your car on the west side of Knocknadobar either at Coonanna Harbour or the Pilgrims car park. I started my climb up Knocknadobar North Top from the harbour. The beginning of the clim...

  
Summit Comment
Croagh Patrick: Cold climb
Wilderness 18 hours ago.
I was wary of the dark hail clouds that kept hitting the mountain. Some of them looked thundery. Fortunately there was no lightning and a'lot of people about. When the clouds moved away the views ...

Track
Seefin SE Top from the South
peter1 a day ago.
This is a short route to take in the SE Top as I had missed it out on previous trips. It's not too difficult to find ... walk, Len: 6.1km, Climb: 261m, Area: Seefin South-East Top, Ballyhoura Mountai

  
Summit Comment
Gaugin Mountain: Clear morning
Wilderness 19 hours ago.
We started our climb up this mountain from the minor forest road (south of Gaugins summit). At the top we got one of the most clearest days I've ever seen. We could see all across Ulster: Cuilcagh...

  
Summit Comment
Snowdon - Yr Wyddfa: Romance and Reality
CaptainVertigo 2 days ago.
Peter O'Brien was an Irish lawyer and judge who served as Lord Chief Justice of Ireland between 1889 and 1913. In his lifetime he was universally known as Peter the Packer, due to the skill he had...

Summit Comment
Knocknacusha: Nice end to a day out.
muddyboots 3 days ago.
Similar to the other contributors, this is not a single summit day out. I did it after Colly. It's an hour or so with a coffee break. Start at the Ballaghasheen pass (spectacular drive in & out) a...

  
Track
Keeper Hill from Silvermines (Knockanroe Carpark)
caseyc481 5 days ago.
Wanted to climb Keeper Hill from the Silvermines side. Parked at Knockanroe carpark, walking downhill on fire road unt... walk, Len: 14.9km, Climb: 763m, Area: Keeper Hill, Shannon (Ireland) Keeper H

  
User profile
HoschIchenheim
HoschIchenheim 3 days ago.
I'm a Hillwalker from the South-West of Germany near the French town of Strasbourg. I'm mainly walking in the Alps, Vosges and Black Forest mountains. So far on two occasions I have been to Kerry,...

Forum: General
Feeling Blue
mcrtchly 3 days ago.
This is one of the most famous mountain views in Norway of the fishing village of Hamn°y, Lofoten islands with Fellshelltinden mountain (428m) in the background. The rust red cottages are old fish...

  
Summit Comment
Meenteog South-East Top: Really...when is a mountain a mountain
muddyboots 3 days ago.
I am sure like many of you, especially simoburn, that the addition of the Arderin Begs while technically needed, added loads more summits to climb. This one is, well, a real hard sell. I was tryin...

  
Summit Comment
Colly: Double entendre?
muddyboots 3 days ago.
This is a great quick summit- follow the farm track from the end of the road at Coomnaspeara. I met 2 farmers (one on the way up and the other on the descent. There are 2 farmhouses at the end of ...


RECENT CONTRIBUTIONS 1 2 3 .. 18 Next page >>