Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5FW callsign genealogy
Currently held by JAMES, BOB J
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 K5FW's current licensee, walking backwards.
- MALLISON, RODGER PTXgranted 2023-05-02cancelled 2025-07-29
- KB5UCAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K5FW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5FW, oldest first.
- JAMES, BOB J OK2001-04-11 → cancelled 2001-05-28
- CRAMER II, FREDERICK O OK2013-07-10 → cancelled 2025-07-11
- MALLISON, RODGER P TX2025-07-29 active