Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8FLY callsign genealogy
Currently held by ZAWLOCKI, DANIEL J
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 KC8FLY's current licensee, walking backwards.
- Mueller, Mark EOHgranted 2024-11-09cancelled 2024-12-03
Successor callsigns
Callsigns held now by people who previously held KC8FLY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC8FLY, oldest first.
- ZAWLOCKI, DANIEL J MI2006-09-07 → cancelled 2018-12-05
- Mueller, Mark E OH2024-12-03 active