Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DBM callsign genealogy
Currently held by MURPHY, DONALD 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 W7DBM's current licensee, walking backwards.
- McCan, Dennis BORgranted 2018-07-06cancelled 2019-02-01
Successor callsigns
Callsigns held now by people who previously held W7DBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DBM, oldest first.
- MURPHY, DONALD B WA1997-02-11 → cancelled 2009-02-12
- McCan, Dennis B OR2019-02-01 active