Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ZLR callsign genealogy
Currently held by Waters, William 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 KF7ZLR's current licensee, walking backwards.
- Waters, William EWAgranted 2012-10-17cancelled 2012-11-15
Successor callsigns
Callsigns held now by people who previously held KF7ZLR.
No current licensee on record previously held this callsign.