Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1MAK callsign genealogy
Currently held by Krebs, Mary Ann
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 KC1MAK's current licensee, walking backwards.
- Krebs, Mary AnnNHgranted 2016-11-28cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held KC1MAK.
No current licensee on record previously held this callsign.