Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA1OAK callsign genealogy
Currently held by MURPHY, GEORGE M
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 KA1OAK's current licensee, walking backwards.
- Murphy, George MCTgranted 2011-06-22cancelled 2011-07-12
Successor callsigns
Callsigns held now by people who previously held KA1OAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1OAK, oldest first.
- MURPHY, GEORGE M CT1996-05-03 → cancelled 2008-05-06
- Murphy, George M CT2021-07-27 active