Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3ERS callsign genealogy
Currently held by McGarrity, John
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 KB3ERS's current licensee, walking backwards.
- Parr, Jason BCAgranted 2025-02-05cancelled 2025-02-25
Successor callsigns
Callsigns held now by people who previously held KB3ERS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3ERS, oldest first.
- McGarrity, John PA2000-03-17 → cancelled 2012-03-20
- Parr, Jason B CA2025-02-25 active