Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4EH callsign genealogy
Currently held by Campbell, Mark 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 KV4EH's current licensee, walking backwards.
- CAMPBELL, MARK BKYgranted 1998-10-23cancelled 2000-02-17
Successor callsigns
Callsigns held now by people who previously held KV4EH.
- CAMPBELL, MARK BKYgranted 2026-07-31