Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4BOB callsign genealogy
Currently held by Forrest V, John R
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 KT4BOB's current licensee, walking backwards.
- Lambert, Robert RVAgranted 2020-11-16cancelled 2020-12-04
Successor callsigns
Callsigns held now by people who previously held KT4BOB.
- Forrest V, John RVAgranted 2017-10-03
All historical holders
Every license row we've seen with the callsign KT4BOB, oldest first.
- Forrest V, John R VA2015-12-01 → cancelled 2017-10-03
- Lambert, Robert R VA2020-12-04 active