Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DHC callsign genealogy
Currently held by BOLLINGER, EARL B
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 W6DHC's current licensee, walking backwards.
- Choo, Danillo HCAgranted 2020-03-06cancelled 2020-03-27
Successor callsigns
Callsigns held now by people who previously held W6DHC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DHC, oldest first.
- BOLLINGER, EARL B CA1991-12-17 → cancelled 2003-12-18
- Choo, Danillo H CA2020-03-27 active