The iwc_dump.txt is located at /data/log/wifi/iwc/iwc_dump.txt and is designed with wireless networks, tracks the frequency of connections, and tracks the lost locations. During testing, Heather found that the locations, timestamps, and frequency were extrememly accurate. This information is powerful as it puts the user at a location as well as leaving a location at certain points in time.

Reference:

[1] https://for585.com/locationdata - Cellebrite’s I Beg to DFIR presentation on location artifacts