Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4IKV callsign genealogy
Currently held by Sherrer, Harry B
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 KD4IKV's current licensee, walking backwards.
- Sherrer, Harry BGAgranted 2016-05-03cancelled 2016-05-21
Successor callsigns
Callsigns held now by people who previously held KD4IKV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4IKV, oldest first.
- SHERRER, HARRY B KY1991-12-31 → cancelled 2004-01-01
- Sherrer, Harry B FL2026-03-06 active