Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DCT callsign genealogy
Currently held by Haller, Mary 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 K0DCT's current licensee, walking backwards.
- Haller, Mary APAgranted 1996-03-18cancelled 2002-04-30
Successor callsigns
Callsigns held now by people who previously held K0DCT.
No current licensee on record previously held this callsign.