Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DOO callsign genealogy
Currently held by Milliren, Pamela J
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 W7DOO's current licensee, walking backwards.
- Milliren, Pamela JORgranted 2015-02-13cancelled 2015-03-10
Successor callsigns
Callsigns held now by people who previously held W7DOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DOO, oldest first.
- MILLIREN, ROBERT L OR1998-04-07 → cancelled 2010-04-08
- Milliren, Pamela J OR2015-03-10 active