Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3MHP callsign genealogy
Currently held by Kohn, Frank J
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 W3MHP's current licensee, walking backwards.
- Kohn, Frank JPAgranted 2009-07-27cancelled 2011-06-01
Successor callsigns
Callsigns held now by people who previously held W3MHP.
No current licensee on record previously held this callsign.