Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4WR callsign genealogy
Currently held by CHAPMAN JR, ROBERT 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 AI4WR's current licensee, walking backwards.
- CHAPMAN JR, ROBERT ENCgranted 2007-02-20cancelled 2007-04-10
Successor callsigns
Callsigns held now by people who previously held AI4WR.
- CHAPMAN JR, ROBERT ENCgranted 2017-02-21