Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9OCC callsign genealogy
Currently held by MC DONALD, HOWARD 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 W9OCC's current licensee, walking backwards.
- COLLINS, SAMUEL LILgranted 2008-11-10cancelled 2009-04-07
Successor callsigns
Callsigns held now by people who previously held W9OCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9OCC, oldest first.
- MC DONALD, HOWARD M FL1995-06-26 → cancelled 2007-06-27
- COLLINS, SAMUEL L IL2019-06-25 active