Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5SLY callsign genealogy
Currently held by COZART, DONNA 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 N5SLY's current licensee, walking backwards.
- Sly, Leland DTXgranted 2012-01-30cancelled 2014-07-04
Successor callsigns
Callsigns held now by people who previously held N5SLY.
- TAYLOR, MARK HLAgranted 2019-06-26
All historical holders
Every license row we've seen with the callsign N5SLY, oldest first.
- COZART, DONNA F AR1991-03-26 → cancelled 2003-03-27
- TAYLOR, MARK H LA2004-03-16 → cancelled 2009-06-19
- Sly, Leland D TX2024-04-06 active