Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7JB callsign genealogy
Currently held by HARRIS, WILLIAM D
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 KF7JB's current licensee, walking backwards.
- Reid, Christine EORgranted 2017-06-22cancelled 2019-12-10
Successor callsigns
Callsigns held now by people who previously held KF7JB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7JB, oldest first.
- HARRIS, WILLIAM D TX1999-05-19 → cancelled 2011-05-20
- Reid, Christine E OR2019-12-10 active