Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4HTH callsign genealogy
Currently held by Martin, Michael W
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 KK4HTH's current licensee, walking backwards.
- Martin, Michael WKYgranted 2011-07-19cancelled 2012-03-15
Successor callsigns
Callsigns held now by people who previously held KK4HTH.
- Martin, Michael WKYgranted 2022-01-12