Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9OTW callsign genealogy
Currently held by FOSS, DEBORAH L
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 W9OTW's current licensee, walking backwards.
- FOSS, DEBORAH LCTgranted 2006-05-08cancelled 2016-06-11
Successor callsigns
Callsigns held now by people who previously held W9OTW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9OTW, oldest first.
- Foss, Leonard E IL2006-01-05 → cancelled 2014-10-03
- FOSS, DEBORAH L CT2016-06-11 active