Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7ZFO callsign genealogy
Currently held by Pierce County Emer Mngmt Washington
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 KD7ZFO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD7ZFO.
- W7AAOactivePIERCE COUNTY EMER MNGMT WASHINGTONWAgranted 2023-11-07