Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4COF callsign genealogy
Currently held by HOLDEN, W SPENCE
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 W4COF's current licensee, walking backwards.
- Fink, Jerold ENCgranted 2023-03-28cancelled 2023-04-18
Successor callsigns
Callsigns held now by people who previously held W4COF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4COF, oldest first.
- HOLDEN, W SPENCE AL2005-05-11 → cancelled 2017-06-27
- Fink, Jerold E NC2023-04-18 active