Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4DON callsign genealogy
Currently held by Allison, Donald R
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 KA4DON's current licensee, walking backwards.
- Preville, Donald FFLgranted 2008-10-20cancelled 2009-01-23
Successor callsigns
Callsigns held now by people who previously held KA4DON.
- Allison, Donald RKYgranted 2022-11-22
All historical holders
Every license row we've seen with the callsign KA4DON, oldest first.
- Allison, Donald R FL1998-06-02 → cancelled 2002-11-13
- Preville, Donald F FL2018-10-26 active