Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4UHM callsign genealogy
Currently held by RORRER, DANIEL E
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 KF4UHM's current licensee, walking backwards.
- W3HDFcancelledcancelled 1997-10-14
Successor callsigns
Callsigns held now by people who previously held KF4UHM.
- RORRER, DANIEL ESCgranted 2017-08-08