Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD6MKS callsign genealogy
Currently held by Solon, Mary K
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 KD6MKS's current licensee, walking backwards.
- Solon, Mary KCAgranted 2017-08-17cancelled 2017-09-23
Successor callsigns
Callsigns held now by people who previously held KD6MKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6MKS, oldest first.
- KRUPA, MICHAEL S CA2002-12-18 → cancelled 2014-08-05
- Solon, Mary K CA2017-09-23 active