Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2JO callsign genealogy
Currently held by Coddington, Karl J
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 AB2JO's current licensee, walking backwards.
- Coddington, Karl JNYgranted 2000-04-25cancelled 2000-06-23
Successor callsigns
Callsigns held now by people who previously held AB2JO.
No current licensee on record previously held this callsign.