mozilla/ichnaea — pull request #69 by crankycoder (2014-01-06 18:11:38+00:00)
Title: Features/backfill

Fixes #17

Added backfill code and a scheduled job to update towers with missing LAC and CID.

Distance between towers is computed using a haversine approximation.

Any towers with matching mnc, mcc, and cid where the distance is < 1km are assumed to be the same.