Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4PB callsign genealogy
Currently held by Mulcahy, Thomas 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 KW4PB's current licensee, walking backwards.
- Mulcahy, Thomas JTNgranted 2015-08-25cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held KW4PB.
No current licensee on record previously held this callsign.