Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PCH callsign genealogy
Currently held by HEMSOTH, PETE
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 N4PCH's current licensee, walking backwards.
- Kampman, BertSCgranted 2022-11-10cancelled 2022-12-02
Successor callsigns
Callsigns held now by people who previously held N4PCH.
- HEMSOTH, PETENYgranted 2017-08-15cancelled 2022-06-11
All historical holders
Every license row we've seen with the callsign N4PCH, oldest first.
- KOSTELAK, EDWARD FL1996-08-05 → cancelled 2008-08-06
- HEMSOTH, PETE NC2017-03-03 → cancelled 2017-08-15
- Kampman, Bert SC2022-12-02 active