Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6DHB callsign genealogy
Currently held by BLOCH, DONALD H
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 K6DHB's current licensee, walking backwards.
- BLOCH, DONALD HCAgranted 2019-07-15cancelled 2019-10-22
Successor callsigns
Callsigns held now by people who previously held K6DHB.
No current licensee on record previously held this callsign.