Got this in the mail last night:

Congratulations – your paper #1568949604 (‘Fading observation alignment
via feedback’) for The Fourth International Conference on Information
Processing in Sensor Networks has been accepted for The Fourth
International Conference on Information Processing in Sensor Networks.
We received 213 papers for the Main Track and 63 papers for the SPOTS
Track. After a through review process, we accepted 44 papers for the
main track and 24 papers for the SPOTS track.

Your paper has been assigned to the session POSTERS – MAIN TRACK.

It almost makes up for discovering the problem I had been working on for the last month and a half was solved in 2002.