Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7YR callsign genealogy
Currently held by SANDMEYER, JOHN L
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 AI7YR's current licensee, walking backwards.
- SANDMEYER, JOHN LIDgranted 2024-06-11cancelled 2024-06-20
Successor callsigns
Callsigns held now by people who previously held AI7YR.
No current licensee on record previously held this callsign.