Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7MH 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 KK7MH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK7MH.
- Heckenlaible, Jon MMTgranted 2024-12-17cancelled 2026-04-14
All historical holders
Every license row we've seen with the callsign KK7MH, oldest first.
- Heckenlaible, Jon M MT2024-11-22 → cancelled 2024-12-17
- ANDERSON, JANICE L— → cancelled 1998-07-17