Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1TBO callsign genealogy
Currently held by Abrams, Albert L
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 KB1TBO's current licensee, walking backwards.
- Abrams, Albert LTXgranted 2004-07-21cancelled 2009-10-16
Successor callsigns
Callsigns held now by people who previously held KB1TBO.
- Abrams, Albert LCTgranted 2004-07-21cancelled 2016-07-22