Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RBL callsign genealogy
Currently held by Lockwood, John M
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 K1RBL's current licensee, walking backwards.
- Lockwood, JohnFLgranted 2020-07-20cancelled 2020-08-28
Successor callsigns
Callsigns held now by people who previously held K1RBL.
- Lang, Robert BMAgranted 2016-07-19
All historical holders
Every license row we've seen with the callsign K1RBL, oldest first.
- Lang, Robert B MA2004-04-09 → cancelled 2006-10-03
- Lockwood, John M FL2020-08-28 active