Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0MAH callsign genealogy
Currently held by BERTELT, JUDITH 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 K0MAH's current licensee, walking backwards.
- BERTELT, JUDITH MMNgranted 2000-05-02cancelled 2000-07-04
- KA0TMZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K0MAH.
- BERTELT, M FritzNDgranted 2026-08-11