Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3MHL callsign genealogy
Currently held by Houston-Ludlam, Mark D
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 K3MHL's current licensee, walking backwards.
- Houston-Ludlam, Mark DMDgranted 1999-08-27cancelled 2004-05-21
Successor callsigns
Callsigns held now by people who previously held K3MHL.
No current licensee on record previously held this callsign.