Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MKA callsign genealogy
Currently held by SAGEMUEHL, HANS W
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 N1MKA's current licensee, walking backwards.
- Allen, Mary KNHgranted 2022-06-14cancelled 2022-07-02
Successor callsigns
Callsigns held now by people who previously held N1MKA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MKA, oldest first.
- SAGEMUEHL, HANS W MA2002-02-20 → cancelled 2014-05-20
- Allen, Mary K NH2022-07-02 active