Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM3K callsign genealogy
Currently held by LEFEVER, DOUG
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 KM3K's current licensee, walking backwards.
- Sodus, Jerome JPAgranted 2007-06-13cancelled 2007-07-17
Successor callsigns
Callsigns held now by people who previously held KM3K.
- LEFEVER, DOUGPAgranted 2004-01-30cancelled 2006-08-04
All historical holders
Every license row we've seen with the callsign KM3K, oldest first.
- LEFEVER, DOUG PA1995-08-15 → cancelled 2004-01-30
- Sodus, Jerome J PA2017-05-18 active