A sequence of posts explaining George's approach to cycling with a (Garmin) GPS

In response to: Tutorial 3 - Creating and using pre-planned routes

georgio8 [Member]
On 16 Oct 2012, at 10:19, Stephen Taylor wrote:

Thanks for championing the GPS. It made a good servant and enabled us to travel with a few large-scale maps. (We used the ADFC 1:150,000 touring series.) It made a bad master in towns, unaware eg that almost all Antwerp streets are 2-way for cycles, and struggling to track current position through a series of rapid turns. I was hugely impressed by its ability to take a street address and guide us across country. We got a surprise early on when we asked it to take us from Dortmund to Essen. I had failed to notice that our destination was somewhat south of Essen 'altstadt' and only woke up to that as the Garmin ignored the long-distance cycle route between the cities and cut a straight line across the Ruhr and the hills on its south bank.

George replied:

In the UK I normally rely on CycleStreets to make a route and preload it to the Garmin (via GPSies.com). I think CycleStreets has a much more sophisticated algorithm for cycle routing than the Garmin's. I only call on the Garmin to make me a route when my plans have changed unexpectedly. And I do agree that the Garmin route display doesn't follow your position very well through a series of turns.

CycleStreets doesn't do Europe yet (except Denmark(?)), though they have plans to do so. On our recent Netherlands tour I planned some routes on http://www.fietsersbond.nl/fietsrouteplanner/ and pre-loaded them. But we relied mainly on the excellent Falk/VVV 1:50000 maps and the brilliant 'numbered nodes' route network signage that covers the whole country. You just need to know the number for your next node and the road/trackside signs will take you there. The GPS is virtually redundant. The only essential is a map with all the node numbers shown, or a list of node numbers for the route you are following.
PermalinkPermalink 16/10/12 @ 10:59

In response to: Tutorial 1 - Device selection and purchase

georgio8 [Member]
I have been pondering upgrading from my Edge 605 to an Edge 800. But after reading this review comparing the Edge 800 with the Edge 705 - which is basically a 605 with a few additional features (e.g. support for HRM and Cadence, more precise altitude) - I'm not convinced it is worth it.

What do others think?
PermalinkPermalink 02/10/12 @ 16:20

In response to: Tutorial 2 - acquiring and installing navigable maps

georgio8 [Member]
Steve,
I'm using a separate SD card for each country gmapsupp.img file. I have tried loading multiple maps with different names but that didn't work on my Edge 605 - only a map named gmapsupp.img is visible.
However Shaun, who has an Edge 800 says:
'Even better I have 3 images (UK, Benelux, and South Germany) on the same SD card. The format of the file name should be 8.3, i.e. up to 8 ascii characters and then ".img" for the Garmin to read it. '
I infer that on the Edge 800 you should be able to rename the files e.g Benelux.img, etc. and put them all in the Garmin folder.
George
PermalinkPermalink 06/09/12 @ 11:29
Stephen Taylor

In response to: Tutorial 2 - acquiring and installing navigable maps

Stephen Taylor [Visitor]
Making progress! Moved the UK gmapsupp.img file to /Garmin, rebooted and the Edge 800 used it.

Downloaded the Benelux, North and South German maps to my Mac. The ZIPs have different names but their contents are all gmapsupp.img files. Copied the 4 IMG files to separate folders within /Garmin on a 4Gb SD card, but the Edge ignores them after boot.

Moved the British Isles IMG file into /Garmin and rebooted: the map gets used.

Inference: to cross from one map to another I need to move/rename IMG files; ie use a computer.
PermalinkPermalink 30/08/12 @ 19:15

In response to: Tutorial 2 - acquiring and installing navigable maps

georgio8 [Member]
Steve, as you probably saw in the discussion with Shaun, the gmapsupp.img file has to be in a folder named 'Garmin' or 'Garmin/Maps' on the SD card. On my 605 it's just in Garmin.
PermalinkPermalink 30/08/12 @ 17:38
Stephen Taylor

In response to: Tutorial 2 - acquiring and installing navigable maps

Stephen Taylor [Visitor]
Bought Edge 800.

Downloaded UK maps from OpenCycleMap shop (SD cards out of stock) to Mac and unzipped ukireland.zip to yield 705Mb gmapsupp.img file.

Bought 2Gb microSD card from Maplins, inserted into Edge 800, connected to Mac USB port. Garmin and SD card appear as 2 volumes, 80Mb and 1.99Gb respectively. Copied gmapsupp.img to SD card and ejected both volumes.

Booted Edge 800, navigated Menu/Settings/System/Map/Select Map. Display shows INTNL Standard Basemap as enabled; no other option visible.

Thoughts?
PermalinkPermalink 25/08/12 @ 20:09
Paul Braithwaite

In response to: Tutorial 2 - acquiring and installing navigable maps

Paul Braithwaite [Visitor]
Right, done that. What next please?
PermalinkPermalink 11/08/12 @ 08:54

In response to: Tutorial 1 - Device selection and purchase

georgio8 [Member]
Edge 605's seem to be going on eBay for £130 - £150, so my statement:
" previous generation dedicated Garmins (Edge 605 or 705) which can still be had at bargain prices around £100"
was over-optimistic.
PermalinkPermalink 23/07/12 @ 10:20