Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W2KRK callsign genealogy
Currently held by Ala, John F
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 W2KRK's current licensee, walking backwards.
- Zgaljic, MladenNYgranted 2015-06-29cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held W2KRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2KRK, oldest first.
- ALA, JOHN F NJ1988-07-05 → cancelled 2000-07-06
- Ala, John F NJ2001-07-03 → cancelled 2013-07-04
- Zgaljic, Mladen NY2026-04-24 active