Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RBS callsign genealogy
Currently held by WALSH, GEORGE W
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 K1RBS's current licensee, walking backwards.
- KIRBY, JAMESCOgranted 2024-03-02cancelled 2024-03-22
Successor callsigns
Callsigns held now by people who previously held K1RBS.
- Walsh, George WMAgranted 2000-07-14cancelled 2005-09-09
All historical holders
Every license row we've seen with the callsign K1RBS, oldest first.
- WALSH, GEORGE W MA2000-05-31 → cancelled 2000-07-14
- Kirby, James P CO2024-03-22 active