There are a couple of other newish Confluence caches on TC right now too, but our one is not one of them, yet. The challenge is still currently unique to us.. and the Degree Confluence project of course.
The challenge for that particular confluence in this particular forum, sure. Though that same confluence could be used to log this LC challenge, if you wished!
Thank you for pointing that out to us. I am going to go take a look at that
I just noticed you on the TC member list (and sent you a PM via the site). I think if you are inactive for a year on the site, you will be deactivated. If you have any problems re-activating, let me know and I will let the powers-that-be (one of whom flew over from Houston, Texas, to attend the event, "on the way" to Spain) know, so they can assist you if necessary.