Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7YF callsign genealogy
Currently held by MARVIN, FREDERICK L
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 KL7YF's current licensee, walking backwards.
- MARVIN, LILLIANAKgranted 2004-06-09cancelled 2012-07-21
Successor callsigns
Callsigns held now by people who previously held KL7YF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7YF, oldest first.
- MARVIN, FREDERICK L AK2012-01-06 → cancelled 2012-04-09
- MARVIN, LILLIAN AK2023-05-26 active