That sounds totally frustrating.

Have you talked with other cyclists who are riding through the same areas? I remember seeing a bicycle parking area at MGH (I didn't make that up, did I?) - can you talk to some of the other riders at the hospital to see if anyone else is having the same problem?

It also might be worth trying a step up from your inexpensive Nashbar device. I've been using a Cateye wireless computer and I've been happy with it. I just checked online, and the model is the Cateye Wireless CC-MC100W. It has the same functions you mentioned, nothing fancy. I picked mine up at REI, but I imagine you can find them at a local bike shop too.

--- Denise