Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4ZUP callsign genealogy
Currently held by ROGERS JR, JOE K
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 KF4ZUP's current licensee, walking backwards.
- ROGERS JR, JOE Kcancelled 1998-08-19
Successor callsigns
Callsigns held now by people who previously held KF4ZUP.
- ROGERS JR, JOE KTNgranted 1998-08-19cancelled 2000-06-28