Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CZY callsign genealogy
Currently held by PROFFITT, WAYNE L
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 K4CZY's current licensee, walking backwards.
- Hoch, John JTNgranted 2020-08-31cancelled 2020-09-19
Successor callsigns
Callsigns held now by people who previously held K4CZY.
- PROFFITT, WAYNE LTNgranted 2018-08-31cancelled 2021-01-12
All historical holders
Every license row we've seen with the callsign K4CZY, oldest first.
- PROFFITT, WAYNE L TN2017-08-15 → cancelled 2018-08-31
- Hoch, John J TN2020-09-19 active