Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5OIO callsign genealogy
Currently held by Van Nort, Thomas 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 KD5OIO's current licensee, walking backwards.
- van Nort, Thomas AOKgranted 1998-09-17cancelled 2001-05-03
Successor callsigns
Callsigns held now by people who previously held KD5OIO.
- Van Nort, Thomas AOKgranted 2023-02-07