Right
I've read into this all and think I understand it pretty well.
I think I really only need a very basic Garmin Etrex like model. I plan to use the Marengo website to make routes with waypoints. However the basic Etrex only does 50 waypoints to a route and I think I'd need up to 500! I must admit to being confused by all the various models. I don't think I need altitute detection/electronic compass or even a fancy screen.
What is the next cheapest that others would recommend?
GPS navigator and logger
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ncutler
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If you want to do this very cheaply there may be an alternative.
I have just sold a Garmin GPS90 on ebay for very little, and they appear there quite often for £30 - £40 or so. This is an aviation GPS which has very little value as it's now a bit ancient, and Garmin can no longer provide updates to the aviation database. This matters to pilots as the borders of prohibited airspace keep changing, and a major reason for using a GPS is to keep out of them, but it is of no consequence on a bicycle. I think the max number of waypoints was 250, and you can enter I think 20 'routes'.
Although it was 10 years old my one worked perfectly. By current standards it might be a bit slow to update its position and re-draw its map, but at cycle speeds it doesn't matter.
If all you want to do is enter waypoints and follow them then one of these might be interesting. You would have a rather cramped map with very few roads ( and some unnecessary airspace clutter ), but the position, speed ,direction, distance to next waypoint etc all work fine.
Nick
I have just sold a Garmin GPS90 on ebay for very little, and they appear there quite often for £30 - £40 or so. This is an aviation GPS which has very little value as it's now a bit ancient, and Garmin can no longer provide updates to the aviation database. This matters to pilots as the borders of prohibited airspace keep changing, and a major reason for using a GPS is to keep out of them, but it is of no consequence on a bicycle. I think the max number of waypoints was 250, and you can enter I think 20 'routes'.
Although it was 10 years old my one worked perfectly. By current standards it might be a bit slow to update its position and re-draw its map, but at cycle speeds it doesn't matter.
If all you want to do is enter waypoints and follow them then one of these might be interesting. You would have a rather cramped map with very few roads ( and some unnecessary airspace clutter ), but the position, speed ,direction, distance to next waypoint etc all work fine.
Nick