Delorme inReach combines GPS navigation and emergency communications The all-new DeLorme inReach Explorer combines the satellite communications functions of past inReach mobiles with a full GPS navigation feature set. A single handheld unit serves as a GPS navigator, backcountry communications device and emergency rescue beacon all rolled into one. Read more about the new DeLorme inReach Explorer…

Your smartphone can be a powerful navigational tool, whether you have cell service or not. Using Your Smartphone as a GPS Unit

Ridewithgps are about to begin using a new elevation calculation method that provides more accurate figures. Additionally, all existing routes and rides will be updated to use the new calculations. It will be interesting to see how they will compare with others such as OpenRunner which often shows much lower estimates.

DC Rainmaker has a mine of information on his site. The latest tip I have come across is how to set up a personal startup message on a Garmin Edge.

Portable Emergency AA Battery Charger Extender suitable for the Garmin EDGE 500 This comes highly recommended by other randonneurs. I wonder if it works with the Edge 810? http://www.gomadic.com/garmin-edge-500-portable-aa-battery-extender.html Andrew Mead says:  I start with the Gomadic plugged in so the Edge draws external power first and doesn’t put the AAs into a high current…

Garmin’s Etrex series of GPS units are used by many people in preference to their cycling-specific Edge devices because they are robust and take replaceable batteries. If you want to know how to set it up a Garmin Etrex 20 or 30 GPS for randonneuring, Francis Cooke has a very useful guide.