Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4LA callsign genealogy
Currently held by ROWE, JOHN G
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 KB4LA's current licensee, walking backwards.
- SELLARS, DAVID LALgranted 2015-06-03cancelled 2019-07-12
Successor callsigns
Callsigns held now by people who previously held KB4LA.
- ROWE, JOHN GGAgranted 2005-09-24cancelled 2010-12-11
All historical holders
Every license row we've seen with the callsign KB4LA, oldest first.
- ROWE, JOHN G GA1997-05-09 → cancelled 2005-09-24
- SELLARS, DAVID L AL2019-07-12 active