Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5Y callsign genealogy
Currently held by SIMS, MICHAEL R
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 KD5Y's current licensee, walking backwards.
- SIMS, MICHAEL RTXgranted 2014-03-04cancelled 2020-12-04
Successor callsigns
Callsigns held now by people who previously held KD5Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5Y, oldest first.
- HAMPTON, JOE E TX2008-11-15 → cancelled 2020-11-17
- SIMS, MICHAEL R TX2020-12-04 active