Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W1RKB callsign genealogy
Currently held by Brown, Robert K
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 W1RKB's current licensee, walking backwards.
- Brown, Robert KCTgranted 2018-09-14cancelled 2018-10-02
Successor callsigns
Callsigns held now by people who previously held W1RKB.
- JOHNSON, ALTON DCAgranted 2020-03-04
All historical holders
Every license row we've seen with the callsign W1RKB, oldest first.
- JOHNSON, ALTON D CA2006-05-17 → cancelled 2010-04-09
- Brown, Robert K CT2018-10-02 active