Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ0IV callsign genealogy
Currently held by Jo, Isaac V
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 AJ0IV's current licensee, walking backwards.
- Jo, Isaac VPAgranted 2018-07-17cancelled 2025-04-15
Successor callsigns
Callsigns held now by people who previously held AJ0IV.
No current licensee on record previously held this callsign.