Project-GC Q&A - Recent questions tagged 221 https://project-gc.com/qa/?qa=tag/221 Powered by Question2Answer Could a checker be made for GC41X9F Explorer 221 Challenge? https://project-gc.com/qa/?qa=9913/could-a-checker-be-made-for-gc41x9f-explorer-221-challenge <p>A challenge cache asking the qualifying cacher to find geocaches in 221 squares of the Ordnance Survey 221 map. The CO made a macro to check this but it will not work on my computer. Thanks</p><p></p><p></p> Miscellaneous https://project-gc.com/qa/?qa=9913/could-a-checker-be-made-for-gc41x9f-explorer-221-challenge Sat, 09 Apr 2016 08:47:45 +0000