Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4FL callsign genealogy
Currently held by EISSLER JR, VICTOR C
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 KB4FL's current licensee, walking backwards.
- HARRIS, ROBERT AFLgranted 2011-03-29cancelled 2017-04-21
Successor callsigns
Callsigns held now by people who previously held KB4FL.
- Eissler Jr, Victor CTXgranted 2020-10-29
All historical holders
Every license row we've seen with the callsign KB4FL, oldest first.
- EISSLER JR, VICTOR C TX1997-10-27 → cancelled 2000-11-28
- HARRIS, ROBERT A FL2017-04-21 active