Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4P callsign genealogy
Currently held by HENDRICK, PETER 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 KD4P's current licensee, walking backwards.
- HENDRICK, PETER LFLgranted 1999-03-09cancelled 2001-01-05
Successor callsigns
Callsigns held now by people who previously held KD4P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4P, oldest first.
- OTTINGER, ROBERT A FL1988-12-06 → cancelled 2000-12-07
- HENDRICK, PETER L SD2022-10-08 active