Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RBW callsign genealogy
Currently held by WATSON, ROBERT B
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 K7RBW's current licensee, walking backwards.
- WATSON, ROBERT BWAgranted 2017-02-28cancelled 2020-04-10
Successor callsigns
Callsigns held now by people who previously held K7RBW.
- WATSON, ROBERT BWAgranted 2017-02-28cancelled 2020-04-10
All historical holders
Every license row we've seen with the callsign K7RBW, oldest first.
- WATSON, ROBERT B WA2015-03-10 → cancelled 2017-02-28
- WATSON, ROBERT B CO2020-04-10 active