Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2FSU callsign genealogy
Currently held by Latimer, Jeffrey 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 K2FSU's current licensee, walking backwards.
- Latimer, Jeffrey RFLgranted 2017-10-10cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held K2FSU.
- Berlinger, Thomas PCOgranted 2022-01-20
All historical holders
Every license row we've seen with the callsign K2FSU, oldest first.
- Berlinger, Thomas P CO2007-02-13 → cancelled 2012-04-13
- Latimer, Jeffrey R FL2017-11-14 active