Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KR0NK callsign genealogy
Currently held by Cronk, Thomas 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 KR0NK's current licensee, walking backwards.
- Cronk, Thomas ACOgranted 2024-11-26cancelled 2025-01-07
Successor callsigns
Callsigns held now by people who previously held KR0NK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR0NK, oldest first.
- Cronk, Thomas A CO2012-04-27 → cancelled 2024-04-30
- Cronk, Thomas A CO2025-01-07 active