Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6JMH callsign genealogy
Currently held by HECKENLAIBLE, JON M
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 K6JMH's current licensee, walking backwards.
- HECKENLAIBLE, JON Mcancelled 1999-07-27
Successor callsigns
Callsigns held now by people who previously held K6JMH.
- Heckenlaible, Jon MMTgranted 2024-07-02cancelled 2024-11-22