Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9KMA callsign genealogy
Currently held by Guido, Marc A
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 K9KMA's current licensee, walking backwards.
- Guido, Marc AINgranted 2000-08-26cancelled 2009-05-02
Successor callsigns
Callsigns held now by people who previously held K9KMA.
No current licensee on record previously held this callsign.