Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6HOC callsign genealogy
Currently held by Califf, Howard O
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 W6HOC's current licensee, walking backwards.
- CALIFF, HOWARD OCAgranted 2004-12-30cancelled 2005-01-28
Successor callsigns
Callsigns held now by people who previously held W6HOC.
No current licensee on record previously held this callsign.