Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3AMM callsign genealogy
Currently held by McClure, Douglas B
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 W3AMM's current licensee, walking backwards.
- McClure, Douglas BPAgranted 2016-02-09cancelled 2019-04-02
Successor callsigns
Callsigns held now by people who previously held W3AMM.
- MC BRIDE, ALTHEA MPAgranted 2020-04-30
All historical holders
Every license row we've seen with the callsign W3AMM, oldest first.
- MC BRIDE, ALTHEA M PA2000-02-01 → cancelled 2000-05-04
- McClure, Douglas B PA2019-04-02 active