Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4EXQ callsign genealogy
Currently held by RAPPAPORT, IRA M
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 KF4EXQ'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 KF4EXQ.
- RAPPAPORT, IRA MFLgranted 2014-12-16