Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF3EM callsign genealogy
Currently held by COLLINS, FRANK W
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 KF3EM's current licensee, walking backwards.
- COLLINS III, FRANK WPAgranted 1999-01-11cancelled 2005-01-06
Successor callsigns
Callsigns held now by people who previously held KF3EM.
No current licensee on record previously held this callsign.