Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4YUL callsign genealogy
Currently held by Hodurski, John A
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 KM4YUL's current licensee, walking backwards.
- HODURSKI, ERICH JMNgranted 2019-08-07cancelled 2020-02-19
Successor callsigns
Callsigns held now by people who previously held KM4YUL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4YUL, oldest first.
- Hodurski, John A FL2016-11-07 → cancelled 2019-11-17
- HODURSKI, ERICH J FL2020-02-19 active