Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8IRG callsign genealogy
Currently held by SHAFFER, JOHN A
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 KB8IRG's current licensee, walking backwards.
- Shaffer, David JOHgranted 2013-02-22cancelled 2013-03-26
Successor callsigns
Callsigns held now by people who previously held KB8IRG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8IRG, oldest first.
- SHAFFER, JOHN A OH1990-03-20 → cancelled 2002-03-21
- SHAFFER, DAVID J OH2013-03-26 → cancelled 2025-03-27