Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9IP callsign genealogy
Currently held by Howard, John E
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 AB9IP's current licensee, walking backwards.
- Howard, John EINgranted 2003-03-06cancelled 2004-03-02
- KD5RTno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB9IP.
- Howard, John EINgranted 2020-01-04