Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB5JSF callsign genealogy
Currently held by DYKES, JOSEPHINE E
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 KB5JSF's current licensee, walking backwards.
- Free, Jeffrey SLAgranted 2024-10-08cancelled 2024-10-29
Successor callsigns
Callsigns held now by people who previously held KB5JSF.
- DYKES, JOSEPHINE ETXgranted 2012-04-06cancelled 2023-03-18
All historical holders
Every license row we've seen with the callsign KB5JSF, oldest first.
- DYKES, JOSEPHINE E TX1994-03-01 → cancelled 2002-03-07
- Free, Jeffrey S LA2024-10-29 active