Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6BTG callsign genealogy
Currently held by Calipes Jr, Lamberto 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 N6BTG's current licensee, walking backwards.
- Calipes Jr, Lamberto RCAgranted 2022-07-06cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held N6BTG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6BTG, oldest first.
- KLOTZ, GEOFFREY B CA2005-03-25 → cancelled 2017-06-20
- Calipes Jr, Lamberto R CA2022-07-26 active