Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7JPS callsign genealogy
Currently held by Tittle, Thomas
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 KF7JPS's current licensee, walking backwards.
- Siders, JamesWAgranted 2023-03-28cancelled 2023-04-25
Successor callsigns
Callsigns held now by people who previously held KF7JPS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7JPS, oldest first.
- Tittle, Thomas NV2010-04-30 → cancelled 2022-05-03
- Siders, James WA2023-04-25 active