Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4P callsign genealogy
Currently held by WHITEHEAD, HOMER H
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 KN4P's current licensee, walking backwards.
- TANNENBAUM, STEPHEN MFLgranted 2017-09-28cancelled 2023-04-14
Successor callsigns
Callsigns held now by people who previously held KN4P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4P, oldest first.
- WHITEHEAD, HOMER H TN2011-02-09 → cancelled 2023-03-28
- TANNENBAUM, STEPHEN M NC2023-04-14 active