Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MSH callsign genealogy
Currently held by HAVERSTOCK, MARK S
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 K8MSH's current licensee, walking backwards.
- HAVERSTOCK, MARK SOHgranted 1998-01-12cancelled 2006-09-09
Successor callsigns
Callsigns held now by people who previously held K8MSH.
No current licensee on record previously held this callsign.