Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OTT callsign genealogy
Currently held by Foster, Catherine
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W7OTT's current licensee, walking backwards.
- Foster, CatherineMTgranted 2016-04-19cancelled 2017-09-26
Successor callsigns
Callsigns held now by people who previously held W7OTT.
No current licensee on record previously held this callsign.