Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7HDI callsign genealogy
Currently held by JOLLIFF, JOHN S
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 KF7HDI's current licensee, walking backwards.
- JOLLIFF, JOHN SMTgranted 2025-11-19
Successor callsigns
Callsigns held now by people who previously held KF7HDI.
- JOLLIFF, JOHN SMTgranted 2025-11-19