Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5OIF callsign genealogy
Currently held by ALBERTSON, EDDIE 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 KC5OIF's current licensee, walking backwards.
- ALBERTSON, EDDIE RTXgranted 2005-02-25cancelled 2012-05-22
Successor callsigns
Callsigns held now by people who previously held KC5OIF.
- ALBERTSON, EDDIE RTXgranted 2005-02-25cancelled 2012-05-22
All historical holders
Every license row we've seen with the callsign KC5OIF, oldest first.
- ALBERTSON, EDDIE R TX1996-01-12 → cancelled 2005-02-25
- ALBERTSON, EDDIE R TX2022-03-08 active