[Elecraft] How to keep track of grid squares logged?

[Richard Lamont]

On 30/07/17 19:12, Wayne Burdick wrote:

> On 6 m, everyone uses grid squares when reporting their QTH. Is there a web tool or spreadsheet available somewhere that allows you to conveniently keep track of which ones you’ve worked?

I just used a paper map and a highlight marker. This worked infallibly
right up to the senior moment when I put the map in the shredder.

73,
Richard G4DYA