Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7ZTF callsign genealogy
Currently held by WHITEHEAD, JAMES D
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 KD7ZTF'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 KD7ZTF.
- WHITEHEAD, JAMES DUTgranted 2021-05-11